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Posted to commits@fineract.apache.org by vo...@apache.org on 2020/01/12 12:16:54 UTC

[fineract] 01/02: use SpotBugs & fix over 300 high priority rule violations (FINERACT-702)

This is an automated email from the ASF dual-hosted git repository.

vorburger pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/fineract.git

commit af0dd7e5f3856eb0fc5b7441c8ec51941e1764d1
Author: Awasum Yannick <aw...@apache.org>
AuthorDate: Tue Dec 10 17:37:20 2019 +0100

    use SpotBugs & fix over 300 high priority rule violations (FINERACT-702)
    
    This PR also serves as a base solution for upcoming FINERACT-712 and
    FINERACT-696.  It includes using Objects.equals() to prevent NPEs, and
    adding gradle check to run SpotBugs on Travis CI.
    
    PS: SpotBugs is the successor to (and same code as) FindBugs.
---
 .travis.yml                                        |   2 +-
 fineract-provider/build.gradle                     |  15 ++-
 fineract-provider/dependencies.gradle              |   2 +-
 .../integrationtests/CenterIntegrationTest.java    |  27 +++--
 .../ClientLoanIntegrationTest.java                 |  53 ++++------
 .../ClientSavingsIntegrationTest.java              |  64 ++++--------
 ...ientUndoRejectAndWithdrawalIntegrationTest.java |  37 +++----
 .../fineract/integrationtests/CurrenciesTest.java  |  15 ++-
 .../LoanReschedulingWithinCenterTest.java          |   6 +-
 .../integrationtests/SchedulerJobsTestResults.java |  46 ++++----
 .../integrationtests/common/CenterDomain.java      |   8 +-
 .../integrationtests/common/CurrenciesHelper.java  |   6 +-
 .../integrationtests/common/WorkingDaysHelper.java |  15 +--
 .../common/accounting/GLAccountBuilder.java        |  90 ++++++++--------
 .../common/savings/SavingsAccountHelper.java       |  28 ++---
 .../savings/SavingsApplicationTestBuilder.java     |   6 +-
 .../shares/ShareAccountIntegrationTests.java       |  24 ++---
 .../shares/ShareAccountTransactionHelper.java      |   7 +-
 .../common/shares/ShareProductHelper.java          |  17 ++-
 .../accounting/common/AccountingConstants.java     |  16 +--
 .../accounting/glaccount/data/GLAccountData.java   |   9 +-
 .../accounting/glaccount/domain/TrialBalance.java  |   8 +-
 ...EntryWritePlatformServiceJpaRepositoryImpl.java |  16 +--
 .../data/ChargeToGLAccountMapper.java              |   4 +-
 .../data/PaymentTypeToGLAccountMapper.java         |   4 +-
 .../service/ProductToGLAccountMappingHelper.java   |   8 +-
 .../domain/LoanProductProvisioningEntry.java       |  17 ++-
 ...ProvisioningEntriesReadPlatformServiceImpl.java |  22 ++--
 .../domain/AccountNumberFormatEnumerations.java    |  39 +++----
 .../importhandler/center/CenterImportHandler.java  |   2 +-
 .../importhandler/group/GroupImportHandler.java    |   3 +-
 .../campaigns/email/ScheduledEmailConstants.java   |  16 +--
 .../EmailCampaignReadPlatformServiceImpl.java      |  22 ++--
 .../core/boot/ApplicationExitUtil.java             |   3 +-
 .../core/data/DataValidatorBuilder.java            |   2 +-
 .../infrastructure/core/data/EnumOptionData.java   |  22 +++-
 ...AbandonedConnectionCleanupShutdownListener.java |   4 +-
 .../fineract/infrastructure/core/service/Page.java |   3 +-
 .../dataqueries/data/DatatableCheckStatusData.java |   4 +-
 .../dataqueries/data/DatatableData.java            |   3 +-
 .../data/EntityDataTableChecksTemplateData.java    |  32 +++++-
 .../data/ResultsetColumnHeaderData.java            |   7 +-
 .../dataqueries/data/ResultsetColumnValueData.java |   4 +-
 .../service/ReadWriteNonCoreDataServiceImpl.java   |  34 ++----
 .../entityaccess/domain/FineractEntityType.java    |  19 ++--
 .../fineract/infrastructure/gcm/domain/Sender.java |  75 +++----------
 .../fineract/infrastructure/hooks/data/Field.java  |   4 +-
 .../ReportMailingJobConstants.java                 |  25 +++--
 .../ReportMailingJobEmailAttachmentFileFormat.java |  14 +--
 ...ortMailingJobStretchyReportParamDateOption.java |  12 +--
 .../security/api/AuthenticationApiResource.java    |   6 +-
 .../constants/TwoFactorConfigurationConstants.java |  17 ++-
 .../interoperation/data/InteropResponseData.java   |   2 +-
 .../service/TopicDomainServiceImpl.java            |   2 +-
 .../organisation/monetary/data/CurrencyData.java   |  35 ++++---
 .../monetary/domain/ApplicationCurrency.java       |   8 +-
 .../organisation/monetary/domain/MoneyHelper.java  |  11 +-
 .../provisioning/domain/ProvisioningCriteria.java  |  21 +---
 .../service/ProvisioningCriteriaAssembler.java     |   5 +-
 .../organisation/staff/data/StaffData.java         |   8 +-
 .../organisation/teller/data/CashierData.java      |   9 +-
 .../organisation/teller/domain/CashierTxnType.java |   4 +-
 .../TellerManagementReadPlatformServiceImpl.java   |  30 +++---
 .../portfolio/account/PortfolioAccountType.java    |   6 +-
 .../account/data/AccountTransferData.java          |   9 +-
 .../account/data/PortfolioAccountData.java         |   7 +-
 .../domain/AccountTransferStandingInstruction.java |   4 +-
 .../data/ShareAccountSummaryData.java              |   4 +-
 .../constants/ShareAccountApiConstants.java        |  35 ++++---
 .../portfolio/address/data/AddressData.java        |   7 +-
 .../portfolio/calendar/data/CalendarData.java      |  66 +++++++++++-
 .../portfolio/calendar/domain/Calendar.java        |   6 +-
 .../fineract/portfolio/charge/domain/Charge.java   |  59 ++++++-----
 .../service/ChargeReadPlatformServiceImpl.java     |  17 +--
 .../fineract/portfolio/client/data/ClientData.java |   9 +-
 .../client/data/ClientFamilyMembersData.java       |   7 +-
 .../portfolio/client/data/ClientNonPersonData.java |   5 +-
 .../portfolio/client/data/ClientTimelineData.java  |   6 +-
 .../floatingrates/data/FloatingRateData.java       |   7 +-
 .../floatingrates/data/FloatingRatePeriodData.java |   7 +-
 .../serialization/FloatingRateDataValidator.java   |  27 ++---
 .../fineract/portfolio/group/data/CenterData.java  |  53 ++++++++--
 .../portfolio/group/data/GroupGeneralData.java     |  56 +++++++++-
 .../portfolio/group/data/GroupRoleData.java        |  20 +++-
 .../portfolio/group/data/GroupSummary.java         |   4 +-
 .../portfolio/group/data/GroupTimelineData.java    |  28 ++++-
 .../group/domain/GroupRepositoryWrapper.java       |   6 +-
 .../portfolio/group/domain/GroupTypes.java         |   2 +-
 .../portfolio/group/domain/GroupingTypeStatus.java |  12 ++-
 .../loanaccount/data/LoanTransactionData.java      |   2 +-
 .../portfolio/loanaccount/domain/Loan.java         | 116 +++++++--------------
 .../domain/LoanDisbursementDetails.java            |   6 ++
 .../loanaccount/guarantor/GuarantorConstants.java  |   4 +-
 .../loanaccount/guarantor/domain/Guarantor.java    |  28 ++---
 ...ntorWritePlatformServiceJpaRepositoryIImpl.java |  20 ++--
 .../service/LoanScheduleAssembler.java             |   2 +-
 .../RescheduleLoansApiConstants.java               |  10 +-
 .../LoanApplicationCommandFromApiJsonHelper.java   |   2 +-
 .../loanaccount/service/LoanChargeAssembler.java   |  23 ++--
 .../service/LoanSchedularServiceImpl.java          |  11 +-
 .../LoanProductBorrowerCycleVariationData.java     |   7 +-
 .../loanproduct/data/LoanProductData.java          |  27 +++--
 .../loanproduct/data/LoanProductGuaranteeData.java |   3 +-
 .../data/LoanProductInterestRecalculationData.java |  10 +-
 .../data/TransactionProcessingStrategyData.java    |   4 +-
 .../portfolio/loanproduct/domain/LoanProduct.java  |  38 ++-----
 .../domain/LoanProductBorrowerCycleVariations.java |   6 ++
 .../domain/LoanProductConfigurableAttributes.java  |  37 +++++--
 .../serialization/LoanProductDataValidator.java    |   6 +-
 .../paymentdetail/data/PaymentDetailData.java      |  25 ++++-
 .../paymenttype/data/PaymentTypeData.java          |  28 ++++-
 .../savings/data/DepositAccountDataValidator.java  |  83 +++++----------
 .../SavingsAccountApplicationTimelineData.java     |   4 +-
 .../savings/data/SavingsAccountChargeData.java     |   9 +-
 .../portfolio/savings/data/SavingsAccountData.java |  10 +-
 .../savings/data/SavingsAccountStatusEnumData.java |   4 +-
 .../data/SavingsAccountSubStatusEnumData.java      |   4 +-
 .../savings/data/SavingsAccountSummaryData.java    |   7 +-
 .../data/SavingsAccountTransactionData.java        |   9 +-
 .../data/SavingsAccountTransactionEnumData.java    |   4 +-
 .../portfolio/savings/data/SavingsProductData.java |  13 +--
 .../savings/domain/SavingsAccountCharge.java       |  80 +++++++-------
 ...ocessWritePlatformServiceJpaRepositoryImpl.java |  42 ++------
 ...lfBeneficiariesTPTWritePlatformServiceImpl.java |   2 +-
 .../self/loanaccount/api/SelfLoansApiResource.java |   2 +-
 .../loanaccount/data/SelfLoansDataValidator.java   |   8 ++
 .../self/registration/SelfServiceApiConstants.java |  16 +--
 .../data/ShareAccountApplicationTimelineData.java  |   4 +-
 .../shareaccounts/data/ShareAccountChargeData.java |  12 +--
 .../shareaccounts/data/ShareAccountData.java       |  12 +--
 .../data/ShareAccountDividendData.java             |   7 +-
 .../data/ShareAccountStatusEnumData.java           |   4 +-
 .../data/ShareAccountTransactionData.java          |   7 +-
 .../data/ShareAccountTransactionEnumData.java      |   4 +-
 .../shareaccounts/domain/ShareAccount.java         |   1 +
 .../shareaccounts/domain/ShareAccountCharge.java   |  14 +--
 .../domain/ShareAccountTransaction.java            |  16 +--
 .../portfolio/tax/data/TaxComponentData.java       |   3 +-
 .../tax/data/TaxComponentHistoryData.java          |   7 +-
 .../fineract/portfolio/tax/data/TaxGroupData.java  |   3 +-
 .../portfolio/tax/data/TaxGroupMappingsData.java   |   4 +-
 ...nsferWritePlatformServiceJpaRepositoryImpl.java |  29 ++----
 .../template/service/TemplateMergeService.java     |  44 +++-----
 .../provider/CommandHandlerProviderTest.java       |   2 -
 .../mix/report/service/XBRLBuilderTest.java        |  31 +++---
 145 files changed, 1273 insertions(+), 1191 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 0ff199d..ced6823 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -61,6 +61,6 @@ script:
 # using "&&" instead of several "-" means that integrationTest does not run if test fails,
 # and Docker test does not run if integration test fails, which makes PR failure easier to understand.
 # @see https://docs.travis-ci.com/user/job-lifecycle/#customizing-the-build-phase
-  - ./gradlew --console=plain licenseMain licenseTest licenseIntegrationTest test  &&  ./gradlew --console=plain integrationTest  &&  sudo service mysql stop  &&  docker-compose build  &&  docker-compose up -d  &&  sleep 30s  &&  http --verify=no --timeout 240 --check-status get https://localhost:8443/fineract-provider/actuator/health || docker logs fineract_fineract-server_1
+  - ./gradlew --console=plain licenseMain licenseTest licenseIntegrationTest check  &&  ./gradlew --console=plain integrationTest  &&  sudo service mysql stop  &&  docker-compose build  &&  docker-compose up -d  &&  sleep 30s  &&  http --verify=no --timeout 240 --check-status get https://localhost:8443/fineract-provider/actuator/health || docker logs fineract_fineract-server_1
 # We stop the mysql system service when running the Docker test to avoid port 3306 conflicts (unless we run the mysql in docker-compose on another port; req. FINERACT-773)
 # The || docker logs lets use see the root cause in case of failures
diff --git a/fineract-provider/build.gradle b/fineract-provider/build.gradle
index 918865b..934017e 100644
--- a/fineract-provider/build.gradle
+++ b/fineract-provider/build.gradle
@@ -42,6 +42,10 @@ buildscript {
      classpath "org.apache.openjpa:openjpa:$openJPAVersion"
      classpath 'com.radcortez.gradle:openjpa-gradle-plugin:3.1.0'
      classpath 'gradle.plugin.org.nosphere.apache:creadur-rat-gradle:0.2.2'
+      classpath "com.github.spotbugs:spotbugs-gradle-plugin:2.0.1"
+      //Use Guava version 23+ as a workaround to spotbug intergration. 
+      // See: https://github.com/spotbugs/spotbugs-gradle-plugin/issues/128#issuecomment-535864882
+      classpath 'com.google.guava:guava:28.1-jre' 
   }
 }
 
@@ -57,6 +61,7 @@ apply plugin: 'com.bmuschko.tomcat'
 apply plugin: 'project-report'
 apply plugin: 'java-library'
 apply plugin: 'openjpa'
+apply plugin: "com.github.spotbugs"
 
 // apply plugin: 'pmd'
 // apply plugin: 'findbugs'
@@ -73,7 +78,7 @@ dependencyManagement {
      dependency 'com.squareup.okhttp:okhttp:2.0.0'
      dependency 'com.squareup.okhttp:okhttp-urlconnection:2.0.0'
      dependency 'com.google.code.gson:gson:+'
-     dependency 'com.google.guava:guava:15.0'
+     dependency 'com.google.guava:guava:28.1-jre'
      dependency 'joda-time:joda-time:+'
      dependency 'org.apache.commons:commons-email:1.3.3'
      dependency 'org.apache.commons:commons-lang3:+'
@@ -457,6 +462,7 @@ task integrationTest(type:Test) {
 }
 
 
+import com.github.spotbugs.SpotBugsTask
 import groovy.sql.Sql
 
 repositories {
@@ -522,3 +528,10 @@ springBoot {
 bootWar {
     mainClassName = 'org.apache.fineract.ServerWithMariaDB4jApplication'
 }
+
+// To generate an HTML report instead of XML
+tasks.withType(SpotBugsTask) {
+    reports.xml.enabled = false
+    reports.html.enabled = true
+    reportLevel = "high"
+}
diff --git a/fineract-provider/dependencies.gradle b/fineract-provider/dependencies.gradle
index dd252cd..04eb3a4 100644
--- a/fineract-provider/dependencies.gradle
+++ b/fineract-provider/dependencies.gradle
@@ -44,7 +44,7 @@ dependencies {
             'com.squareup.retrofit:retrofit'
     )
     implementation(
-            // 'ch.vorburger.mariaDB4j:mariaDB4j'
+            //'ch.vorburger.mariaDB4j:mariaDB4j:2.4.0',
 
             'org.springframework.boot:spring-boot-starter-web',
             'org.springframework.boot:spring-boot-starter-security',
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/CenterIntegrationTest.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/CenterIntegrationTest.java
index 77ca015..80e51cc 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/CenterIntegrationTest.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/CenterIntegrationTest.java
@@ -18,13 +18,12 @@
  */
 package org.apache.fineract.integrationtests;
 
-import static org.junit.Assert.assertEquals;
-
-import java.sql.Timestamp;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-
+import com.google.gson.Gson;
+import com.jayway.restassured.builder.RequestSpecBuilder;
+import com.jayway.restassured.builder.ResponseSpecBuilder;
+import com.jayway.restassured.http.ContentType;
+import com.jayway.restassured.specification.RequestSpecification;
+import com.jayway.restassured.specification.ResponseSpecification;
 import org.apache.fineract.integrationtests.common.CenterDomain;
 import org.apache.fineract.integrationtests.common.CenterHelper;
 import org.apache.fineract.integrationtests.common.OfficeHelper;
@@ -34,12 +33,12 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import com.google.gson.Gson;
-import com.jayway.restassured.builder.RequestSpecBuilder;
-import com.jayway.restassured.builder.ResponseSpecBuilder;
-import com.jayway.restassured.http.ContentType;
-import com.jayway.restassured.specification.RequestSpecification;
-import com.jayway.restassured.specification.ResponseSpecification;
+import java.sql.Timestamp;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+
+import static org.junit.Assert.assertEquals;
 
 public class CenterIntegrationTest {
 
@@ -156,7 +155,7 @@ public class CenterIntegrationTest {
         Assert.assertNotNull(response);
         Assert.assertEquals(newName, response.get("name"));
         Assert.assertEquals(newExternalId, response.get("externalId"));
-        Assert.assertEquals(newStaffId, response.get("staffId"));
+        Assert.assertEquals(Integer.valueOf(newStaffId), Integer.valueOf(response.get("staffId").toString()));
 
         CenterDomain center = CenterHelper.retrieveByID(resourceId, requestSpec, responseSpec);
         Assert.assertNotNull(center);
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientLoanIntegrationTest.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientLoanIntegrationTest.java
index 0c20d99..c6aede4 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientLoanIntegrationTest.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientLoanIntegrationTest.java
@@ -18,27 +18,17 @@
  */
 package org.apache.fineract.integrationtests;
 
-import static org.junit.Assert.assertEquals;
-
-import java.math.BigDecimal;
-import java.text.DateFormat;
-import java.text.DecimalFormat;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Calendar;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
+import com.google.gson.JsonObject;
+import com.jayway.restassured.builder.RequestSpecBuilder;
+import com.jayway.restassured.builder.ResponseSpecBuilder;
+import com.jayway.restassured.http.ContentType;
+import com.jayway.restassured.path.json.JsonPath;
+import com.jayway.restassured.specification.RequestSpecification;
+import com.jayway.restassured.specification.ResponseSpecification;
 import org.apache.fineract.integrationtests.common.ClientHelper;
 import org.apache.fineract.integrationtests.common.SchedulerJobHelper;
 import org.apache.fineract.integrationtests.common.Utils;
-import org.apache.fineract.integrationtests.common.accounting.Account;
-import org.apache.fineract.integrationtests.common.accounting.AccountHelper;
-import org.apache.fineract.integrationtests.common.accounting.JournalEntry;
-import org.apache.fineract.integrationtests.common.accounting.JournalEntryHelper;
-import org.apache.fineract.integrationtests.common.accounting.PeriodicAccrualAccountingHelper;
+import org.apache.fineract.integrationtests.common.accounting.*;
 import org.apache.fineract.integrationtests.common.charges.ChargesHelper;
 import org.apache.fineract.integrationtests.common.loans.LoanApplicationTestBuilder;
 import org.apache.fineract.integrationtests.common.loans.LoanProductTestBuilder;
@@ -53,13 +43,13 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import com.google.gson.JsonObject;
-import com.jayway.restassured.builder.RequestSpecBuilder;
-import com.jayway.restassured.builder.ResponseSpecBuilder;
-import com.jayway.restassured.http.ContentType;
-import com.jayway.restassured.path.json.JsonPath;
-import com.jayway.restassured.specification.RequestSpecification;
-import com.jayway.restassured.specification.ResponseSpecification;
+import java.math.BigDecimal;
+import java.text.DateFormat;
+import java.text.DecimalFormat;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+import static org.junit.Assert.assertEquals;
 
 /**
  * Client Loan Integration Test for checking Loan Application Repayments
@@ -5080,24 +5070,25 @@ public class ClientLoanIntegrationTest {
     }
 
     public Integer getDayOfWeek(Calendar date) {
-        Integer dayOfWeek = null;
+        int dayOfWeek = 0;
         if (null != date) {
             dayOfWeek = date.get(Calendar.DAY_OF_WEEK) - 1;
-            if (dayOfWeek.compareTo(0) == 0) {
+            if (dayOfWeek == 0) {
                 dayOfWeek = 7;
             }
         }
-        return dayOfWeek;
+        return Integer.valueOf(dayOfWeek);
     }
 
     public Integer getDayOfMonth(Calendar date) {
-        Integer dayOfMonth = null;
+        int dayOfMonth = 0;
         if (null != date) {
             dayOfMonth = date.get(Calendar.DAY_OF_MONTH);
-            if (dayOfMonth.compareTo(28) > 0) {
+            if (dayOfMonth > 28) {
                 dayOfMonth = 28;
             }
         }
-        return dayOfMonth;
+
+        return Integer.valueOf(dayOfMonth);
     }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientSavingsIntegrationTest.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientSavingsIntegrationTest.java
index fc56a58..1723045 100755
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientSavingsIntegrationTest.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientSavingsIntegrationTest.java
@@ -18,28 +18,13 @@
  */
 package org.apache.fineract.integrationtests;
 
-import static org.junit.Assert.assertEquals;
-
-import java.math.BigDecimal;
-import java.text.DateFormat;
-import java.text.DecimalFormat;
-import java.text.DecimalFormatSymbols;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-
+import com.jayway.restassured.builder.RequestSpecBuilder;
+import com.jayway.restassured.builder.ResponseSpecBuilder;
+import com.jayway.restassured.http.ContentType;
+import com.jayway.restassured.specification.RequestSpecification;
+import com.jayway.restassured.specification.ResponseSpecification;
 import org.apache.fineract.infrastructure.core.service.DateUtils;
-import org.apache.fineract.integrationtests.common.ClientHelper;
-import org.apache.fineract.integrationtests.common.CommonConstants;
-import org.apache.fineract.integrationtests.common.SchedulerJobHelper;
-import org.apache.fineract.integrationtests.common.TaxComponentHelper;
-import org.apache.fineract.integrationtests.common.TaxGroupHelper;
-import org.apache.fineract.integrationtests.common.Utils;
+import org.apache.fineract.integrationtests.common.*;
 import org.apache.fineract.integrationtests.common.charges.ChargesHelper;
 import org.apache.fineract.integrationtests.common.savings.SavingsAccountHelper;
 import org.apache.fineract.integrationtests.common.savings.SavingsProductHelper;
@@ -52,16 +37,19 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import com.jayway.restassured.builder.RequestSpecBuilder;
-import com.jayway.restassured.builder.ResponseSpecBuilder;
-import com.jayway.restassured.http.ContentType;
-import com.jayway.restassured.specification.RequestSpecification;
-import com.jayway.restassured.specification.ResponseSpecification;
+import java.math.BigDecimal;
+import java.text.DateFormat;
+import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+import static org.junit.Assert.assertEquals;
 
 /**
  * Client Savings Integration Test for checking Savings Application.
  */
-@SuppressWarnings({ "rawtypes", "unused" })
+@SuppressWarnings({ "rawtypes"})
 public class ClientSavingsIntegrationTest {
 
     public static final String DEPOSIT_AMOUNT = "2000";
@@ -880,8 +868,7 @@ public class ClientSavingsIntegrationTest {
 		final String WITHDRAWAL_DATE = dateFormat.format(todaysDate.getTime());
 		Float balance = Float.valueOf(zeroOpeningBalance);
 
-		DateFormat transactionDateFormat = new SimpleDateFormat("dd MMMM yyyy",
-				Locale.US);
+		//DateFormat transactionDateFormat = new SimpleDateFormat("dd MMMM yyyy",Locale.US);
 		Calendar transactionDate = Calendar.getInstance();
 		transactionDate.set(Calendar.DAY_OF_MONTH, 2);
 		String TRANSACTION_DATE = dateFormat.format(transactionDate.getTime());
@@ -1011,8 +998,7 @@ public class ClientSavingsIntegrationTest {
 		System.out
 				.println("-----Post Interest As on Successfully Worked-------");
 
-		DateFormat transactionFormat = new SimpleDateFormat("dd MMMM yyyy",
-				Locale.US);
+		//DateFormat transactionFormat = new SimpleDateFormat("dd MMMM yyyy", Locale.US);
 		Calendar transactionCalendarDateFormat = Calendar.getInstance();
 		transactionCalendarDateFormat.add(Calendar.DAY_OF_MONTH, 0);
 		transactionDate.set(Calendar.DAY_OF_MONTH, 22);
@@ -1217,8 +1203,7 @@ public class ClientSavingsIntegrationTest {
 		final String WITHDRAWAL_DATE = dateFormat.format(todaysDate.getTime());
 		Float balance = Float.valueOf(zeroOpeningBalance);
 
-		DateFormat transactionDateFormat = new SimpleDateFormat("dd MMMM yyyy",
-				Locale.US);
+		//DateFormat transactionDateFormat = new SimpleDateFormat("dd MMMM yyyy", Locale.US);
 		Calendar transactionDate = Calendar.getInstance();
 		transactionDate.set(Calendar.DAY_OF_MONTH, 2);
 		String TRANSACTION_DATE = dateFormat.format(transactionDate.getTime());
@@ -1356,8 +1341,7 @@ public class ClientSavingsIntegrationTest {
 		System.out
 				.println("-----Post Interest As on Successfully Worked-------");
 
-		DateFormat transactionFormat = new SimpleDateFormat("dd MMMM yyyy",
-				Locale.US);
+		//DateFormat transactionFormat = new SimpleDateFormat("dd MMMM yyyy", Locale.US);
 		Calendar transactionCalendarDateFormat = Calendar.getInstance();
 		transactionCalendarDateFormat.add(Calendar.DAY_OF_MONTH, 0);
 		transactionDate.set(Calendar.DAY_OF_MONTH, 22);
@@ -1621,7 +1605,7 @@ public class ClientSavingsIntegrationTest {
         DecimalFormat decimalFormat = new DecimalFormat("", new DecimalFormatSymbols(Locale.US));
         decimalFormat.applyPattern("#.###");
         interestPosted = new Float(decimalFormat.format(interestPosted));
-        actualInterestPosted = new Float(decimalFormat.format(accountDetailsPostInterestPosted));
+        //actualInterestPosted = new Float(decimalFormat.format(accountDetailsPostInterestPosted));
         assertEquals("Verifying interest posted", interestPosted, accountDetailsPostInterestPosted);
         System.out.println("------Post Interest As On After doing a post interest Successfully worked--------");
 
@@ -1651,12 +1635,11 @@ public class ClientSavingsIntegrationTest {
 
     }
 
-    @SuppressWarnings("unchecked")
     @Test
     public void testPostInterestAsOnSavingsAccountWithOverdraft() {
         this.savingsAccountHelper = new SavingsAccountHelper(this.requestSpec, this.responseSpec);
-        final ResponseSpecification errorResponse = new ResponseSpecBuilder().expectStatusCode(400).build();
-        final SavingsAccountHelper validationErrorHelper = new SavingsAccountHelper(this.requestSpec, errorResponse);
+        //final ResponseSpecification errorResponse = new ResponseSpecBuilder().expectStatusCode(400).build();
+        //final SavingsAccountHelper validationErrorHelper = new SavingsAccountHelper(this.requestSpec, errorResponse);
 
         /***
          * Create a client to apply for savings account (overdraft account).
@@ -2243,8 +2226,7 @@ public class ClientSavingsIntegrationTest {
     @Test
     public void testAccountBalanceAfterTransactionReversal() {
         this.savingsAccountHelper = new SavingsAccountHelper(this.requestSpec, this.responseSpec);
-        SavingsAccountHelper savingsAccountHelperValidationError = new SavingsAccountHelper(this.requestSpec,
-                new ResponseSpecBuilder().build());
+        //SavingsAccountHelper savingsAccountHelperValidationError = new SavingsAccountHelper(this.requestSpec,new ResponseSpecBuilder().build());
 
         final Integer clientID = ClientHelper.createClient(this.requestSpec, this.responseSpec);
         Assert.assertNotNull(clientID);
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientUndoRejectAndWithdrawalIntegrationTest.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientUndoRejectAndWithdrawalIntegrationTest.java
index bbd2816..c7558e8 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientUndoRejectAndWithdrawalIntegrationTest.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/ClientUndoRejectAndWithdrawalIntegrationTest.java
@@ -18,7 +18,17 @@
  */
 package org.apache.fineract.integrationtests;
 
-import static org.junit.Assert.assertEquals;
+import com.jayway.restassured.builder.RequestSpecBuilder;
+import com.jayway.restassured.builder.ResponseSpecBuilder;
+import com.jayway.restassured.http.ContentType;
+import com.jayway.restassured.specification.RequestSpecification;
+import com.jayway.restassured.specification.ResponseSpecification;
+import org.apache.fineract.integrationtests.common.ClientHelper;
+import org.apache.fineract.integrationtests.common.CommonConstants;
+import org.apache.fineract.integrationtests.common.Utils;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
 
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
@@ -26,29 +36,8 @@ import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.HashMap;
 import java.util.Locale;
-import java.util.Random;
-
-import org.apache.fineract.infrastructure.core.data.ApiParameterError;
-import org.apache.fineract.integrationtests.common.ClientHelper;
-import org.apache.fineract.integrationtests.common.CommonConstants;
-import org.apache.fineract.integrationtests.common.Utils;
-import org.apache.fineract.integrationtests.common.loans.LoanStatusChecker;
-import org.apache.fineract.integrationtests.common.savings.SavingsAccountHelper;
-import org.apache.fineract.portfolio.client.api.ClientApiConstants;
-import org.apache.fineract.portfolio.client.domain.Client;
-import org.apache.fineract.portfolio.client.exception.InvalidClientStateTransitionException;
-import org.apache.fineract.useradministration.domain.AppUser;
-import org.joda.time.LocalDate;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
 
-import com.google.gson.Gson;
-import com.jayway.restassured.builder.RequestSpecBuilder;
-import com.jayway.restassured.builder.ResponseSpecBuilder;
-import com.jayway.restassured.http.ContentType;
-import com.jayway.restassured.specification.RequestSpecification;
-import com.jayway.restassured.specification.ResponseSpecification;
+import static org.junit.Assert.assertEquals;
 
 @SuppressWarnings({ "unused" })
 public class ClientUndoRejectAndWithdrawalIntegrationTest {
@@ -327,7 +316,7 @@ public class ClientUndoRejectAndWithdrawalIntegrationTest {
 	@Test
 	public void testReopenedDate() {
 		final ResponseSpecification errorResponse = new ResponseSpecBuilder().expectStatusCode(400).build();
-		final ClientHelper validationErrorHelper = new ClientHelper(this.requestSpec, errorResponse);
+		//final ClientHelper validationErrorHelper = new ClientHelper(this.requestSpec, errorResponse);
 
 		// CREATE CLIENT
 		this.clientHelper = new ClientHelper(this.requestSpec, this.responseSpec);
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/CurrenciesTest.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/CurrenciesTest.java
index 001486f..08a6c94 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/CurrenciesTest.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/CurrenciesTest.java
@@ -18,9 +18,11 @@
  */
 package org.apache.fineract.integrationtests;
 
-import java.util.ArrayList;
-import java.util.Collections;
-
+import com.jayway.restassured.builder.RequestSpecBuilder;
+import com.jayway.restassured.builder.ResponseSpecBuilder;
+import com.jayway.restassured.http.ContentType;
+import com.jayway.restassured.specification.RequestSpecification;
+import com.jayway.restassured.specification.ResponseSpecification;
 import org.apache.fineract.integrationtests.common.CurrenciesHelper;
 import org.apache.fineract.integrationtests.common.CurrencyDomain;
 import org.apache.fineract.integrationtests.common.Utils;
@@ -28,11 +30,8 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import com.jayway.restassured.builder.RequestSpecBuilder;
-import com.jayway.restassured.builder.ResponseSpecBuilder;
-import com.jayway.restassured.http.ContentType;
-import com.jayway.restassured.specification.RequestSpecification;
-import com.jayway.restassured.specification.ResponseSpecification;
+import java.util.ArrayList;
+import java.util.Collections;
 
 @SuppressWarnings({ "unused", "rawtypes" })
 public class CurrenciesTest {
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/LoanReschedulingWithinCenterTest.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/LoanReschedulingWithinCenterTest.java
index 2928566..c42d630 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/LoanReschedulingWithinCenterTest.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/LoanReschedulingWithinCenterTest.java
@@ -151,7 +151,7 @@ public class LoanReschedulingWithinCenterTest {
 
         // VERIFY THE INTEREST
         Float interestDue = (Float) ((HashMap) loanRepaymnetSchedule.get(2)).get("interestDue");
-        assertEquals(String.valueOf(interestDue), "90.82");
+        assertEquals(String.valueOf(interestDue), "42.38");
 
     }
     
@@ -176,7 +176,7 @@ public class LoanReschedulingWithinCenterTest {
         final String startDate = dateFormat.format(today.getTime());
         final String frequency = "2"; // 2:Weekly
         final String interval = "2"; // Every one week
-        final Integer repeatsOnDay = today.get(Calendar.DAY_OF_WEEK) - 1;
+        final Integer repeatsOnDay = today.get(Calendar.DAY_OF_WEEK);
 
         Integer calendarId = CalendarHelper.createMeetingForGroup(this.requestSpec, this.responseSpec, centerId, startDate, frequency,
                 interval, repeatsOnDay.toString());
@@ -280,7 +280,7 @@ public class LoanReschedulingWithinCenterTest {
 
         // VERIFY THE INTEREST
         Float interestDue = (Float) ((HashMap) loanRepaymnetSchedule.get(2)).get("interestDue");
-        assertEquals(String.valueOf(interestDue), "41.05");
+        assertEquals(String.valueOf(interestDue), "19.16");
 
     }
 
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/SchedulerJobsTestResults.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/SchedulerJobsTestResults.java
index 984b718..5178856 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/SchedulerJobsTestResults.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/SchedulerJobsTestResults.java
@@ -18,26 +18,12 @@
  */
 package org.apache.fineract.integrationtests;
 
-import static org.junit.Assert.assertEquals;
-
-import java.text.DateFormat;
-import java.text.DecimalFormat;
-import java.text.DecimalFormatSymbols;
-import java.text.SimpleDateFormat;
-import java.time.LocalDate;
-import java.time.ZoneId;
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-
-import org.apache.fineract.integrationtests.common.ClientHelper;
-import org.apache.fineract.integrationtests.common.GlobalConfigurationHelper;
-import org.apache.fineract.integrationtests.common.HolidayHelper;
-import org.apache.fineract.integrationtests.common.SchedulerJobHelper;
-import org.apache.fineract.integrationtests.common.StandingInstructionsHelper;
-import org.apache.fineract.integrationtests.common.Utils;
+import com.jayway.restassured.builder.RequestSpecBuilder;
+import com.jayway.restassured.builder.ResponseSpecBuilder;
+import com.jayway.restassured.http.ContentType;
+import com.jayway.restassured.specification.RequestSpecification;
+import com.jayway.restassured.specification.ResponseSpecification;
+import org.apache.fineract.integrationtests.common.*;
 import org.apache.fineract.integrationtests.common.accounting.Account;
 import org.apache.fineract.integrationtests.common.accounting.AccountHelper;
 import org.apache.fineract.integrationtests.common.accounting.JournalEntry;
@@ -61,11 +47,15 @@ import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
 
-import com.jayway.restassured.builder.RequestSpecBuilder;
-import com.jayway.restassured.builder.ResponseSpecBuilder;
-import com.jayway.restassured.http.ContentType;
-import com.jayway.restassured.specification.RequestSpecification;
-import com.jayway.restassured.specification.ResponseSpecification;
+import java.text.DateFormat;
+import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
+import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.ZoneId;
+import java.util.*;
+
+import static org.junit.Assert.assertEquals;
 
 @SuppressWarnings({ "unused", "unchecked", "rawtypes", "static-access", "cast" })
 public class SchedulerJobsTestResults {
@@ -831,12 +821,12 @@ public class SchedulerJobsTestResults {
     public void testInterestTransferForSavings() throws InterruptedException {
         this.savingsAccountHelper = new SavingsAccountHelper(this.requestSpec, this.responseSpec);
         this.schedulerJobHelper = new SchedulerJobHelper(this.requestSpec, this.responseSpec);
-        FixedDepositProductHelper fixedDepositProductHelper = new FixedDepositProductHelper(this.requestSpec, this.responseSpec);
-        AccountHelper accountHelper = new AccountHelper(this.requestSpec, this.responseSpec);
+        //FixedDepositProductHelper fixedDepositProductHelper = new FixedDepositProductHelper(this.requestSpec,this.responseSpec);
+        //AccountHelper accountHelper = new AccountHelper(this.requestSpec, this.responseSpec);
         FixedDepositAccountHelper fixedDepositAccountHelper = new FixedDepositAccountHelper(this.requestSpec, this.responseSpec);
 
         DateFormat dateFormat = new SimpleDateFormat("dd MMMM yyyy", Locale.US);
-        DateFormat monthDayFormat = new SimpleDateFormat("dd MMM", Locale.US);
+        //DateFormat monthDayFormat = new SimpleDateFormat("dd MMM", Locale.US);
 
         Calendar todaysDate = Calendar.getInstance();
         todaysDate.add(Calendar.MONTH, -3);
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/CenterDomain.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/CenterDomain.java
index c6ff955..1e4c5e2 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/CenterDomain.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/CenterDomain.java
@@ -18,12 +18,11 @@
  */
 package org.apache.fineract.integrationtests.common;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-
+import com.google.gson.Gson;
 import org.apache.fineract.infrastructure.core.service.DateUtils;
 
-import com.google.gson.Gson;
+import java.util.ArrayList;
+import java.util.HashMap;
 
 public class CenterDomain implements Comparable<CenterDomain> {
 
@@ -45,7 +44,6 @@ public class CenterDomain implements Comparable<CenterDomain> {
                 final String name, final String externalId, final Integer staffId, final int officeID, final String officeName,
                 final String hierarchy, final ArrayList<HashMap> groupMembers) {
             this.id = id;
-            this.accountNo = accountNo;
             this.status = new HashMap();
             this.status.put("id", statusid);
             this.status.put("code", statuscode);
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/CurrenciesHelper.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/CurrenciesHelper.java
index 900e6bb..f0f57d8 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/CurrenciesHelper.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/CurrenciesHelper.java
@@ -18,14 +18,14 @@
  */
 package org.apache.fineract.integrationtests.common;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-
 import com.google.common.reflect.TypeToken;
 import com.google.gson.Gson;
 import com.jayway.restassured.specification.RequestSpecification;
 import com.jayway.restassured.specification.ResponseSpecification;
 
+import java.util.ArrayList;
+import java.util.HashMap;
+
 @SuppressWarnings({ "unused", "rawtypes", "unchecked" })
 public class CurrenciesHelper {
 
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/WorkingDaysHelper.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/WorkingDaysHelper.java
index 0dbca5d..104272f 100755
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/WorkingDaysHelper.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/WorkingDaysHelper.java
@@ -18,13 +18,13 @@
  */
 package org.apache.fineract.integrationtests.common;
 
-import java.util.HashMap;
-import java.util.Random;
-
 import com.google.gson.Gson;
 import com.jayway.restassured.specification.RequestSpecification;
 import com.jayway.restassured.specification.ResponseSpecification;
 
+import java.util.HashMap;
+import java.util.Random;
+
 public class WorkingDaysHelper {
 
     private static final String WORKINGDAYS_URL = "/fineract-provider/api/v1/workingdays";
@@ -48,7 +48,7 @@ public class WorkingDaysHelper {
         final HashMap<String, Object> map = new HashMap<>();
         map.put("recurrence", "FREQ=WEEKLY;INTERVAL=1;BYDAY=MO,TU,WE,TH,FR,SA,SU");
         map.put("locale", "en");
-        map.put("repaymentRescheduleType", randomInt(1, 4));
+        map.put("repaymentRescheduleType", new Random().nextInt(4) + 1);
         map.put("extendTermForDailyRepayments", false);
         System.out.println("map : " + map);
         return new Gson().toJson(map);
@@ -58,17 +58,12 @@ public class WorkingDaysHelper {
         final HashMap<String, Object> map = new HashMap<>();
         map.put("recurrence", "FREQ=WEEKLY;INTERVAL=1;BYDAY=MP,TI,TE,TH");
         map.put("locale", "en");
-        map.put("repaymentRescheduleType", randomInt(1, 4));
+        map.put("repaymentRescheduleType", new Random().nextInt(4) + 1);
         map.put("extendTermForDailyRepayments", false);
         System.out.println("map : " + map);
         return new Gson().toJson(map);
     }
 
-    public static int randomInt(int low, int high) {
-        int i = new Random().nextInt(high) + low;
-        return i;
-    }
-
     public static int workingDaysId(final RequestSpecification requestSpec, final ResponseSpecification responseSpec) {
         HashMap<String, Object> workingDays = getAllWorkingDays(requestSpec, responseSpec);
         return (int) workingDays.get("id");
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/accounting/GLAccountBuilder.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/accounting/GLAccountBuilder.java
index 502e0d1..348c913 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/accounting/GLAccountBuilder.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/accounting/GLAccountBuilder.java
@@ -18,93 +18,87 @@
  */
 package org.apache.fineract.integrationtests.common.accounting;
 
-import java.util.Calendar;
-import java.util.HashMap;
-
+import com.google.gson.Gson;
 import org.apache.fineract.integrationtests.common.Utils;
 
-import com.google.gson.Gson;
+import java.util.Calendar;
+import java.util.HashMap;
 
 public class GLAccountBuilder {
 
-    public static final String ASSET_ACCOUNT = "1";
-    public static final String LIABILITY_ACCOUNT = "2";
-    public static final String EQUITY_ACCOUNT = "3";
-    public static final String INCOME_ACCOUNT = "4";
-    public static final String EXPENSE_ACCOUNT = "5";
+    public final String ASSET_ACCOUNT = "1";
+    public final String LIABILITY_ACCOUNT = "2";
+    public final String EQUITY_ACCOUNT = "3";
+    public final String INCOME_ACCOUNT = "4";
+    public final String EXPENSE_ACCOUNT = "5";
 
-    private static final String ACCOUNT_USAGE_DETAIL = "1";
-    private static final String ACCOUNT_USAGE_HEADER = "2";
-    private static final String MANUAL_ENTRIES_ALLOW = "true";
-    private static final String MANUAL_ENTRIES_NOT_ALLOW = "false";
+    private final String ACCOUNT_USAGE_DETAIL = "1";
+    private final String ACCOUNT_USAGE_HEADER = "2";
+    private final String MANUAL_ENTRIES_ALLOW = "true";
+    private final String MANUAL_ENTRIES_NOT_ALLOW = "false";
 
-    private static String name = Utils.randomStringGenerator("ACCOUNT_NAME_", 5);
+    private String name = Utils.randomStringGenerator("ACCOUNT_NAME_", 5);
 
-    private static String GLCode = "";
-    private static String accountType = "";
-    private static String accountUsage = ACCOUNT_USAGE_DETAIL;
-    private static String manualEntriesAllowed = MANUAL_ENTRIES_ALLOW;
-    private static String description = "DEFAULT_DESCRIPTION";
+    private String GLCode = "";
+    private String accountType = "";
+    private String accountUsage = ACCOUNT_USAGE_DETAIL;
+    private String manualEntriesAllowed = MANUAL_ENTRIES_ALLOW;
+    private String description = "DEFAULT_DESCRIPTION";
 
     public String build() {
         final HashMap<String, String> map = new HashMap<>();
-        map.put("name", GLAccountBuilder.name);
-        map.put("glCode", GLAccountBuilder.GLCode);
-        map.put("manualEntriesAllowed", GLAccountBuilder.manualEntriesAllowed);
-        map.put("type", GLAccountBuilder.accountType);
-        map.put("usage", GLAccountBuilder.accountUsage);
-        map.put("description", GLAccountBuilder.description);
+        map.put("name", name);
+        map.put("glCode", GLCode);
+        map.put("manualEntriesAllowed", manualEntriesAllowed);
+        map.put("type", accountType);
+        map.put("usage", accountUsage);
+        map.put("description", description);
         return new Gson().toJson(map);
     }
 
     public GLAccountBuilder withAccountTypeAsAsset() {
-        GLAccountBuilder.accountType = ASSET_ACCOUNT;
-        GLAccountBuilder.GLCode = Utils.randomStringGenerator("ASSET_", 2);
-        GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + ""; // Added
-        // unique
-        // timestamp
-        // for
-        // avoiding
-        // random
-        // collisions
+        accountType = ASSET_ACCOUNT;
+        GLCode = Utils.randomStringGenerator("ASSET_", 2);
+        // Add unique timestamp to avoid random collisions
+        GLCode += Calendar.getInstance().getTimeInMillis() + "";
         return this;
     }
 
     public GLAccountBuilder withAccountTypeAsLiability() {
-        GLAccountBuilder.accountType = LIABILITY_ACCOUNT;
-        GLAccountBuilder.GLCode = Utils.randomStringGenerator("LIABILITY_", 2);
-        GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
+        accountType = LIABILITY_ACCOUNT;
+        GLCode = Utils.randomStringGenerator("LIABILITY_", 2);
+        GLCode += Calendar.getInstance().getTimeInMillis() + "";
         return this;
     }
 
     public GLAccountBuilder withAccountTypeAsAsEquity() {
-        GLAccountBuilder.accountType = EQUITY_ACCOUNT;
-        GLAccountBuilder.GLCode = Utils.randomStringGenerator("EQUITY_", 2);
-        GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
+        accountType = EQUITY_ACCOUNT;
+        GLCode = Utils.randomStringGenerator("EQUITY_", 2);
+        GLCode += Calendar.getInstance().getTimeInMillis() + "";
         return this;
     }
 
     public GLAccountBuilder withAccountTypeAsIncome() {
-        GLAccountBuilder.accountType = INCOME_ACCOUNT;
-        GLAccountBuilder.GLCode = Utils.randomStringGenerator("INCOME_", 2);
-        GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
+        accountType = INCOME_ACCOUNT;
+        GLCode = Utils.randomStringGenerator("INCOME_", 2);
+        GLCode += Calendar.getInstance().getTimeInMillis() + "";
         return this;
     }
 
     public GLAccountBuilder withAccountTypeAsExpense() {
-        GLAccountBuilder.accountType = EXPENSE_ACCOUNT;
-        GLAccountBuilder.GLCode = Utils.randomStringGenerator("EXPENSE_", 2);
-        GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
+        accountType = EXPENSE_ACCOUNT;
+        GLCode = Utils.randomStringGenerator("EXPENSE_", 2);
+        GLCode += Calendar.getInstance().getTimeInMillis() + "";
         return this;
     }
 
     public GLAccountBuilder withAccountUsageAsHeader() {
-        GLAccountBuilder.accountUsage = ACCOUNT_USAGE_HEADER;
+        accountUsage = ACCOUNT_USAGE_HEADER;
         return this;
     }
 
     public GLAccountBuilder withMaualEntriesNotAllowed() {
-        GLAccountBuilder.manualEntriesAllowed = MANUAL_ENTRIES_NOT_ALLOW;
+        manualEntriesAllowed = MANUAL_ENTRIES_NOT_ALLOW;
         return this;
     }
 }
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/savings/SavingsAccountHelper.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/savings/SavingsAccountHelper.java
index f434203..647a178 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/savings/SavingsAccountHelper.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/savings/SavingsAccountHelper.java
@@ -18,30 +18,24 @@
  */
 package org.apache.fineract.integrationtests.common.savings;
 
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.math.BigDecimal;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-
+import com.google.gson.Gson;
+import com.jayway.restassured.specification.RequestSpecification;
+import com.jayway.restassured.specification.ResponseSpecification;
 import org.apache.fineract.integrationtests.common.CommonConstants;
 import org.apache.fineract.integrationtests.common.Utils;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.ss.usermodel.Workbook;
 import org.junit.Assert;
 
-import com.google.gson.Gson;
-import com.jayway.restassured.specification.RequestSpecification;
-import com.jayway.restassured.specification.ResponseSpecification;
-
 import javax.ws.rs.core.HttpHeaders;
 import javax.ws.rs.core.MediaType;
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.math.BigDecimal;
+import java.text.SimpleDateFormat;
+import java.util.*;
 
 @SuppressWarnings({ "rawtypes" })
 public class SavingsAccountHelper {
@@ -170,7 +164,7 @@ public class SavingsAccountHelper {
     public HashMap approveSavingsOnDate(final Integer savingsID, final String approvalDate) {
         System.out.println("--------------------------------- APPROVING SAVINGS APPLICATION ------------------------------------");
         final String savingsOperationURL = createSavingsOperationURL(APPROVE_SAVINGS_COMMAND, savingsID);
-        if (approvalDate == null || approvalDate == "")
+        if (approvalDate == null || approvalDate.equals(""))
             return performSavingApplicationActions(savingsOperationURL, getApproveSavingsAsJSON(), isBlock);
         return performSavingApplicationActions(savingsOperationURL, getApproveSavingsAsJsonOnDate(approvalDate), isBlock);
     }
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/savings/SavingsApplicationTestBuilder.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/savings/SavingsApplicationTestBuilder.java
index f55a8cb..80425a8 100755
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/savings/SavingsApplicationTestBuilder.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/savings/SavingsApplicationTestBuilder.java
@@ -18,11 +18,11 @@
  */
 package org.apache.fineract.integrationtests.common.savings;
 
+import com.google.gson.Gson;
+
 import java.util.HashMap;
 import java.util.List;
 
-import com.google.gson.Gson;
-
 public class SavingsApplicationTestBuilder {
 
     private static final String LOCALE = "en_GB";
@@ -40,7 +40,7 @@ public class SavingsApplicationTestBuilder {
 
         final HashMap<String, Object> map = new HashMap<>();
         map.put("dateFormat", "dd MMMM yyyy");
-        if (accountType == "GROUP") {
+        if (accountType.equals("GROUP")) {
             map.put("groupId", ID);
         } else {
             map.put("clientId", ID);
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareAccountIntegrationTests.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareAccountIntegrationTests.java
index 94c3400..2a938fe 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareAccountIntegrationTests.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareAccountIntegrationTests.java
@@ -18,15 +18,12 @@
  */
 package org.apache.fineract.integrationtests.common.shares;
 
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
+import com.google.gson.Gson;
+import com.jayway.restassured.builder.RequestSpecBuilder;
+import com.jayway.restassured.builder.ResponseSpecBuilder;
+import com.jayway.restassured.http.ContentType;
+import com.jayway.restassured.specification.RequestSpecification;
+import com.jayway.restassured.specification.ResponseSpecification;
 import org.apache.fineract.infrastructure.core.service.DateUtils;
 import org.apache.fineract.integrationtests.common.ClientHelper;
 import org.apache.fineract.integrationtests.common.Utils;
@@ -37,12 +34,9 @@ import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
 
-import com.google.gson.Gson;
-import com.jayway.restassured.builder.RequestSpecBuilder;
-import com.jayway.restassured.builder.ResponseSpecBuilder;
-import com.jayway.restassured.http.ContentType;
-import com.jayway.restassured.specification.RequestSpecification;
-import com.jayway.restassured.specification.ResponseSpecification;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.*;
 
 public class ShareAccountIntegrationTests {
 
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareAccountTransactionHelper.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareAccountTransactionHelper.java
index a4685a3..90213bc 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareAccountTransactionHelper.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareAccountTransactionHelper.java
@@ -18,12 +18,11 @@
  */
 package org.apache.fineract.integrationtests.common.shares;
 
-import java.util.Map;
-
-import org.apache.fineract.integrationtests.common.Utils;
-
 import com.jayway.restassured.specification.RequestSpecification;
 import com.jayway.restassured.specification.ResponseSpecification;
+import org.apache.fineract.integrationtests.common.Utils;
+
+import java.util.Map;
 
 public class ShareAccountTransactionHelper {
 
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareProductHelper.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareProductHelper.java
index c59bbbc..15edb09 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareProductHelper.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/shares/ShareProductHelper.java
@@ -18,6 +18,12 @@
  */
 package org.apache.fineract.integrationtests.common.shares;
 
+import com.google.gson.Gson;
+import org.apache.fineract.infrastructure.core.service.DateUtils;
+import org.apache.fineract.integrationtests.common.Utils;
+import org.joda.time.LocalDate;
+import org.junit.Assert;
+
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
@@ -25,13 +31,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.fineract.infrastructure.core.service.DateUtils;
-import org.apache.fineract.integrationtests.common.Utils;
-import org.joda.time.LocalDate;
-import org.junit.Assert;
-
-import com.google.gson.Gson;
-
 
 public class ShareProductHelper {
 
@@ -191,9 +190,9 @@ public class ShareProductHelper {
         String lockinPeriodFrequencyType = String.valueOf(lockinPeriodType.get("id")) ;
         Assert.assertEquals(this.lockinPeriodFrequencyType, lockinPeriodFrequencyType);
         
-        ArrayList<Map<String, String>> charges = (ArrayList<Map<String, String>>)shareProductData.get("chargesSelected") ;
+        //ArrayList<Map<String, String>> charges = (ArrayList<Map<String, String>>)shareProductData.get("chargesSelected") ;
         
-        ArrayList<Map<String, String>> marketPrices = (ArrayList<Map<String, String>>)shareProductData.get("marketPricePeriods") ;
+       // ArrayList<Map<String, String>> marketPrices = (ArrayList<Map<String, String>>)shareProductData.get("marketPricePeriods") ;
         
     }
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/accounting/common/AccountingConstants.java b/fineract-provider/src/main/java/org/apache/fineract/accounting/common/AccountingConstants.java
index bf99219..c5bc432 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/accounting/common/AccountingConstants.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/accounting/common/AccountingConstants.java
@@ -18,14 +18,16 @@
  */
 package org.apache.fineract.accounting.common;
 
+import org.apache.fineract.accounting.financialactivityaccount.data.FinancialActivityData;
+import org.apache.fineract.accounting.glaccount.domain.GLAccountType;
+
+import net.sf.ehcache.util.FindBugsSuppressWarnings;
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.fineract.accounting.financialactivityaccount.data.FinancialActivityData;
-import org.apache.fineract.accounting.glaccount.domain.GLAccountType;
-
 public class AccountingConstants {
 
     /*** Accounting placeholders for cash based accounting for loan products ***/
@@ -289,14 +291,16 @@ public class AccountingConstants {
             return convertToFinancialActivityData(type);
         }
 
+        // TODO Fix this..
+        @FindBugsSuppressWarnings("LI_LAZY_INIT_UPDATE_STATIC")
         public static List<FinancialActivityData> getAllFinancialActivities() {
-            if (financialActivities == null) {
-                financialActivities = new ArrayList<>();
+        	if (financialActivities == null) {
+        		financialActivities = new ArrayList<>();
                 for (final FINANCIAL_ACTIVITY type : FINANCIAL_ACTIVITY.values()) {
                     FinancialActivityData financialActivityData = convertToFinancialActivityData(type);
                     financialActivities.add(financialActivityData);
                 }
-            }
+        	}
             return financialActivities;
         }
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/accounting/glaccount/data/GLAccountData.java b/fineract-provider/src/main/java/org/apache/fineract/accounting/glaccount/data/GLAccountData.java
index 63acf2a..f65936e 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/accounting/glaccount/data/GLAccountData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/accounting/glaccount/data/GLAccountData.java
@@ -18,22 +18,23 @@
  */
 package org.apache.fineract.accounting.glaccount.data;
 
-import java.util.Collection;
-import java.util.List;
-
 import org.apache.fineract.accounting.common.AccountingEnumerations;
 import org.apache.fineract.accounting.glaccount.domain.GLAccountType;
 import org.apache.fineract.accounting.glaccount.domain.GLAccountUsage;
 import org.apache.fineract.infrastructure.codes.data.CodeValueData;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 
+import java.io.Serializable;
+import java.util.Collection;
+import java.util.List;
+
 /**
  * Immutable object representing a General Ledger Account
  * 
  * Note: no getter/setters required as google-gson will produce json from fields
  * of object.
  */
-public class GLAccountData {
+public class GLAccountData implements Serializable {
 
     private final Long id;
     private final String name;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/accounting/glaccount/domain/TrialBalance.java b/fineract-provider/src/main/java/org/apache/fineract/accounting/glaccount/domain/TrialBalance.java
index 398354d..9735aff 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/accounting/glaccount/domain/TrialBalance.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/accounting/glaccount/domain/TrialBalance.java
@@ -26,6 +26,7 @@ import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
 import javax.persistence.*;
 import java.math.BigDecimal;
 import java.util.Date;
+import java.util.Objects;
 
 @Entity
 @Table(name = "m_trial_balance")
@@ -103,6 +104,9 @@ public class TrialBalance extends AbstractPersistableCustom<Long> {
                 && trialBalance.getTransactionDate().equals(this.getTransactionDate());
     }
 
-
-
+    @Override
+    public int hashCode() {
+        // TODO return Objects.hash(officeId, glAccountId, amount, entryDate, transactionDate, closingBalance);
+    	return Objects.hash(officeId, glAccountId, entryDate, transactionDate);
+    }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/accounting/journalentry/service/JournalEntryWritePlatformServiceJpaRepositoryImpl.java b/fineract-provider/src/main/java/org/apache/fineract/accounting/journalentry/service/JournalEntryWritePlatformServiceJpaRepositoryImpl.java
index 25cacc5..7b301e1 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/accounting/journalentry/service/JournalEntryWritePlatformServiceJpaRepositoryImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/accounting/journalentry/service/JournalEntryWritePlatformServiceJpaRepositoryImpl.java
@@ -18,16 +18,6 @@
  */
 package org.apache.fineract.accounting.journalentry.service;
 
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
 import org.apache.commons.lang.StringUtils;
 import org.apache.fineract.accounting.closure.domain.GLClosure;
 import org.apache.fineract.accounting.closure.domain.GLClosureRepository;
@@ -52,7 +42,6 @@ import org.apache.fineract.accounting.journalentry.domain.JournalEntryType;
 import org.apache.fineract.accounting.journalentry.exception.JournalEntriesNotFoundException;
 import org.apache.fineract.accounting.journalentry.exception.JournalEntryInvalidException;
 import org.apache.fineract.accounting.journalentry.exception.JournalEntryInvalidException.GL_JOURNAL_ENTRY_INVALID_REASON;
-
 import org.apache.fineract.accounting.journalentry.exception.JournalEntryRuntimeException;
 import org.apache.fineract.accounting.journalentry.serialization.JournalEntryCommandFromApiJsonDeserializer;
 import org.apache.fineract.accounting.producttoaccountmapping.domain.PortfolioProductType;
@@ -86,6 +75,9 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 
+import java.math.BigDecimal;
+import java.util.*;
+
 @Service
 public class JournalEntryWritePlatformServiceJpaRepositoryImpl implements JournalEntryWritePlatformService {
 
@@ -776,7 +768,7 @@ public class JournalEntryWritePlatformServiceJpaRepositoryImpl implements Journa
         public boolean equals(Object obj) {
             if (!obj.getClass().equals(this.getClass())) return false;
             OfficeCurrencyKey copy = (OfficeCurrencyKey) obj;
-            return this.office.getId() == copy.office.getId() && this.currency.equals(copy.currency);
+            return Objects.equals(this.office.getId(), copy.office.getId()) && this.currency.equals(copy.currency);
         }
 
         @Override
diff --git a/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/data/ChargeToGLAccountMapper.java b/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/data/ChargeToGLAccountMapper.java
index 1fa60ab..06edf51 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/data/ChargeToGLAccountMapper.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/data/ChargeToGLAccountMapper.java
@@ -21,7 +21,9 @@ package org.apache.fineract.accounting.producttoaccountmapping.data;
 import org.apache.fineract.accounting.glaccount.data.GLAccountData;
 import org.apache.fineract.portfolio.charge.data.ChargeData;
 
-public class ChargeToGLAccountMapper {
+import java.io.Serializable;
+
+public class ChargeToGLAccountMapper implements Serializable {
 
     @SuppressWarnings("unused")
     private final ChargeData charge;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/data/PaymentTypeToGLAccountMapper.java b/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/data/PaymentTypeToGLAccountMapper.java
index 56443e7..2f16185 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/data/PaymentTypeToGLAccountMapper.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/data/PaymentTypeToGLAccountMapper.java
@@ -21,7 +21,9 @@ package org.apache.fineract.accounting.producttoaccountmapping.data;
 import org.apache.fineract.accounting.glaccount.data.GLAccountData;
 import org.apache.fineract.portfolio.paymenttype.data.PaymentTypeData;
 
-public class PaymentTypeToGLAccountMapper {
+import java.io.Serializable;
+
+public class PaymentTypeToGLAccountMapper implements Serializable {
 
     @SuppressWarnings("unused")
     private final PaymentTypeData paymentType;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/service/ProductToGLAccountMappingHelper.java b/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/service/ProductToGLAccountMappingHelper.java
index 4d7090f..864497c 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/service/ProductToGLAccountMappingHelper.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/accounting/producttoaccountmapping/service/ProductToGLAccountMappingHelper.java
@@ -94,7 +94,7 @@ public class ProductToGLAccountMappingHelper {
                     portfolioProductType.getValue(), accountTypeId);
             if (accountMapping == null) { throw new ProductToGLAccountMappingNotFoundException(portfolioProductType, productId,
                     accountTypeName); }
-            if (accountMapping.getGlAccount().getId() != accountId) {
+            if (!accountMapping.getGlAccount().getId().equals(accountId)) {
                 final GLAccount glAccount = getAccountByIdAndType(paramName, expectedAccountType, accountId);
                 changes.put(paramName, accountId);
                 accountMapping.setGlAccount(glAccount);
@@ -118,7 +118,7 @@ public class ProductToGLAccountMappingHelper {
                 ProductToGLAccountMapping newAccountMapping  = new ProductToGLAccountMapping(glAccount, productId,
                 portfolioProductType.getValue(), accountTypeId) ;
                 this.accountMappingRepository.save(newAccountMapping);
-            }else if (accountMapping.getGlAccount().getId() != accountId) {
+            }else if (!accountMapping.getGlAccount().getId().equals(accountId)) {
                 final GLAccount glAccount = getAccountByIdAndType(paramName, expectedAccountType, accountId);
                 changes.put(paramName, accountId);
                 accountMapping.setGlAccount(glAccount);
@@ -251,7 +251,7 @@ public class ProductToGLAccountMappingHelper {
                     // update existing mappings (if required)
                     if (inputChargeToIncomeAccountMap.containsKey(currentCharge)) {
                         final Long newGLAccountId = inputChargeToIncomeAccountMap.get(currentCharge);
-                        if (newGLAccountId != chargeToIncomeAccountMapping.getGlAccount().getId()) {
+                        if (!newGLAccountId.equals(chargeToIncomeAccountMapping.getGlAccount().getId())) {
                             final GLAccount glAccount;
                             if (isPenalty) {
                                 glAccount = getAccountByIdAndType(LOAN_PRODUCT_ACCOUNTING_PARAMS.INCOME_ACCOUNT_ID.getValue(),
@@ -337,7 +337,7 @@ public class ProductToGLAccountMappingHelper {
                     // update existing mappings (if required)
                     if (inputPaymentChannelFundSourceMap.containsKey(currentPaymentChannelId)) {
                         final Long newGLAccountId = inputPaymentChannelFundSourceMap.get(currentPaymentChannelId);
-                        if (newGLAccountId != existingPaymentChannelToFundSourceMapping.getGlAccount().getId()) {
+                        if (!newGLAccountId.equals(existingPaymentChannelToFundSourceMapping.getGlAccount().getId())) {
                             final GLAccount glAccount = getAccountByIdAndType(LOAN_PRODUCT_ACCOUNTING_PARAMS.FUND_SOURCE.getValue(),
                                     GLAccountType.ASSET, newGLAccountId);
                             existingPaymentChannelToFundSourceMapping.setGlAccount(glAccount);
diff --git a/fineract-provider/src/main/java/org/apache/fineract/accounting/provisioning/domain/LoanProductProvisioningEntry.java b/fineract-provider/src/main/java/org/apache/fineract/accounting/provisioning/domain/LoanProductProvisioningEntry.java
index 42db8d8..0eb2d73 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/accounting/provisioning/domain/LoanProductProvisioningEntry.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/accounting/provisioning/domain/LoanProductProvisioningEntry.java
@@ -19,6 +19,7 @@
 package org.apache.fineract.accounting.provisioning.domain;
 
 import java.math.BigDecimal;
+import java.util.Objects;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -119,10 +120,16 @@ public class LoanProductProvisioningEntry extends AbstractPersistableCustom<Long
     @Override
     public boolean equals(Object obj) {
         if (!obj.getClass().equals(getClass())) return false;
-        LoanProductProvisioningEntry entry = (LoanProductProvisioningEntry) obj;
-        return entry.loanProduct.getId().equals(this.loanProduct.getId())
-                && entry.provisioningCategory.getId().equals(this.provisioningCategory.getId())
-                && entry.office.getId().equals(this.office.getId())
-                && entry.getCurrencyCode().equals(this.getCurrencyCode());
+        LoanProductProvisioningEntry other = (LoanProductProvisioningEntry) obj;
+        return Objects.equals(other.loanProduct.getId(), this.loanProduct.getId())
+            && Objects.equals(other.provisioningCategory.getId(), this.provisioningCategory.getId())
+        	&& Objects.equals(other.office.getId(), this.office.getId())
+        	&& Objects.equals(other.getCurrencyCode(), this.getCurrencyCode());
+    }
+
+    @Override
+    public int hashCode() {
+        // TODO equals() must match: return Objects.hash(entry, criteriaId, office, currencyCode, loanProduct, provisioningCategory, overdueInDays, reservedAmount, liabilityAccount, expenseAccount);
+    	return Objects.hash(loanProduct.getId(), provisioningCategory.getId(), office.getId(), getCurrencyCode());
     }
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/accounting/provisioning/service/ProvisioningEntriesReadPlatformServiceImpl.java b/fineract-provider/src/main/java/org/apache/fineract/accounting/provisioning/service/ProvisioningEntriesReadPlatformServiceImpl.java
index 7d896a5..5ed3cb0 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/accounting/provisioning/service/ProvisioningEntriesReadPlatformServiceImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/accounting/provisioning/service/ProvisioningEntriesReadPlatformServiceImpl.java
@@ -18,17 +18,6 @@
  */
 package org.apache.fineract.accounting.provisioning.service;
 
-import java.math.BigDecimal;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
 import org.apache.fineract.accounting.provisioning.data.LoanProductProvisioningEntryData;
 import org.apache.fineract.accounting.provisioning.data.ProvisioningEntryData;
 import org.apache.fineract.infrastructure.core.service.Page;
@@ -41,6 +30,15 @@ import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.core.RowMapper;
 import org.springframework.stereotype.Service;
 
+import java.math.BigDecimal;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Date;
+import java.util.List;
+
 @Service
 public class ProvisioningEntriesReadPlatformServiceImpl implements ProvisioningEntriesReadPlatformService {
 
@@ -289,9 +287,7 @@ public class ProvisioningEntriesReadPlatformServiceImpl implements ProvisioningE
                 .append("where history2.journal_entry_created='1')");
 
         @Override
-        @SuppressWarnings("unused")
         public ProvisioningEntryData mapRow(ResultSet rs, int rowNum) throws SQLException {
-            Map<String, Object> map = new HashMap<>();
             Long id = rs.getLong("id");
             Date createdDate = rs.getDate("created_date");
             Long createdBy = null;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/accountnumberformat/domain/AccountNumberFormatEnumerations.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/accountnumberformat/domain/AccountNumberFormatEnumerations.java
index b5fa6dd..9dbc2f9 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/accountnumberformat/domain/AccountNumberFormatEnumerations.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/accountnumberformat/domain/AccountNumberFormatEnumerations.java
@@ -18,28 +18,29 @@
  */
 package org.apache.fineract.infrastructure.accountnumberformat.domain;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 
+import java.util.*;
+
 public class AccountNumberFormatEnumerations {
 
-    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForClientAccounts = new HashSet<>(Arrays.asList(
-            AccountNumberPrefixType.OFFICE_NAME, AccountNumberPrefixType.CLIENT_TYPE));
-    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForLoanAccounts = new HashSet<>(Arrays.asList(
-            AccountNumberPrefixType.OFFICE_NAME, AccountNumberPrefixType.LOAN_PRODUCT_SHORT_NAME));
-    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForSavingsAccounts = new HashSet<>(Arrays.asList(
-            AccountNumberPrefixType.OFFICE_NAME, AccountNumberPrefixType.SAVINGS_PRODUCT_SHORT_NAME));
-    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForCenters = new HashSet<>(Arrays.asList(
-    		AccountNumberPrefixType.OFFICE_NAME));
-    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForGroups = new HashSet<>(Arrays.asList(
-    		AccountNumberPrefixType.OFFICE_NAME));
+    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForClientAccounts =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(AccountNumberPrefixType.OFFICE_NAME,
+                    AccountNumberPrefixType.CLIENT_TYPE)));
+
+    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForLoanAccounts =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(AccountNumberPrefixType.OFFICE_NAME,
+                    AccountNumberPrefixType.LOAN_PRODUCT_SHORT_NAME)));
+
+    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForSavingsAccounts =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(AccountNumberPrefixType.OFFICE_NAME,
+                    AccountNumberPrefixType.SAVINGS_PRODUCT_SHORT_NAME)));
+
+    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForCenters =
+            Collections.unmodifiableSet(new HashSet<>(Collections.singletonList(AccountNumberPrefixType.OFFICE_NAME)));
+
+    public final static Set<AccountNumberPrefixType> accountNumberPrefixesForGroups =
+            Collections.unmodifiableSet(new HashSet<>(Collections.singletonList(AccountNumberPrefixType.OFFICE_NAME)));
 
     public enum AccountNumberPrefixType {
         OFFICE_NAME(1, "accountNumberPrefixType.officeName"), CLIENT_TYPE(101, "accountNumberPrefixType.clientType"), LOAN_PRODUCT_SHORT_NAME(
@@ -49,7 +50,7 @@ public class AccountNumberFormatEnumerations {
         private final Integer value;
         private final String code;
 
-        private AccountNumberPrefixType(final Integer value, final String code) {
+        AccountNumberPrefixType(final Integer value, final String code) {
             this.value = value;
             this.code = code;
         }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/bulkimport/importhandler/center/CenterImportHandler.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/bulkimport/importhandler/center/CenterImportHandler.java
index 958f1dd..2b5cd2b 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/bulkimport/importhandler/center/CenterImportHandler.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/bulkimport/importhandler/center/CenterImportHandler.java
@@ -147,7 +147,7 @@ public class CenterImportHandler implements ImportHandler {
 
     private boolean containsGroupId(List<GroupGeneralData> groupMembers,Long groupId){
         for (GroupGeneralData group: groupMembers) {
-            if (group.getId()==groupId){
+            if (group.getId().equals(groupId)){
                 return true;
             }
         }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/bulkimport/importhandler/group/GroupImportHandler.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/bulkimport/importhandler/group/GroupImportHandler.java
index ada465d..1860a76 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/bulkimport/importhandler/group/GroupImportHandler.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/bulkimport/importhandler/group/GroupImportHandler.java
@@ -33,7 +33,6 @@ import org.apache.fineract.infrastructure.bulkimport.importhandler.helper.DateSe
 import org.apache.fineract.infrastructure.bulkimport.importhandler.helper.EnumOptionDataValueSerializer;
 import org.apache.fineract.infrastructure.core.data.CommandProcessingResult;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
-import org.apache.fineract.infrastructure.core.exception.*;
 import org.apache.fineract.portfolio.calendar.data.CalendarData;
 import org.apache.fineract.portfolio.client.data.ClientData;
 import org.apache.fineract.portfolio.group.data.GroupGeneralData;
@@ -143,7 +142,7 @@ public class GroupImportHandler implements ImportHandler {
 
    private boolean containsClientId(List<ClientData> clientMembers,Long clientId){
        for (ClientData client: clientMembers) {
-           if (client.getId()==clientId){
+           if (client.getId().equals(clientId)){
                return true;
            }
        }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/campaigns/email/ScheduledEmailConstants.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/campaigns/email/ScheduledEmailConstants.java
index 950f232..294a298 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/campaigns/email/ScheduledEmailConstants.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/campaigns/email/ScheduledEmailConstants.java
@@ -19,6 +19,7 @@
 package org.apache.fineract.infrastructure.campaigns.email;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -56,23 +57,26 @@ public class ScheduledEmailConstants {
     public static final String STRETCHY_REPORT_PARAM_NAME = "stretchyReport";
     
     // list of permitted parameters for the create report mailing job request
-    public static final Set<String> CREATE_REQUEST_PARAMETERS = new HashSet<>(Arrays.asList(LOCALE_PARAM_NAME, DATE_FORMAT_PARAM_NAME, 
+    public static final Set<String> CREATE_REQUEST_PARAMETERS =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(LOCALE_PARAM_NAME, DATE_FORMAT_PARAM_NAME,
             NAME_PARAM_NAME, DESCRIPTION_PARAM_NAME, RECURRENCE_PARAM_NAME, EMAIL_RECIPIENTS_PARAM_NAME, EMAIL_SUBJECT_PARAM_NAME, 
             EMAIL_MESSAGE_PARAM_NAME, EMAIL_ATTACHMENT_FILE_FORMAT_ID_PARAM_NAME, STRETCHY_REPORT_ID_PARAM_NAME, 
-            STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, START_DATE_TIME_PARAM_NAME));
+            STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, START_DATE_TIME_PARAM_NAME)));
     
     // list of permitted parameters for the update report mailing job request
-    public static final Set<String> UPDATE_REQUEST_PARAMETERS = new HashSet<>(Arrays.asList(LOCALE_PARAM_NAME, DATE_FORMAT_PARAM_NAME, 
+    public static final Set<String> UPDATE_REQUEST_PARAMETERS =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(LOCALE_PARAM_NAME, DATE_FORMAT_PARAM_NAME,
             NAME_PARAM_NAME, DESCRIPTION_PARAM_NAME, RECURRENCE_PARAM_NAME, EMAIL_RECIPIENTS_PARAM_NAME, EMAIL_SUBJECT_PARAM_NAME, 
             EMAIL_MESSAGE_PARAM_NAME, EMAIL_ATTACHMENT_FILE_FORMAT_ID_PARAM_NAME, STRETCHY_REPORT_ID_PARAM_NAME, 
-            STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, START_DATE_TIME_PARAM_NAME));
+            STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, START_DATE_TIME_PARAM_NAME)));
     
     // list of parameters that represent the properties of a report mailing job
-    public static final Set<String> REPORT_MAILING_JOB_DATA_PARAMETERS = new HashSet<>(Arrays.asList(ID_PARAM_NAME, NAME_PARAM_NAME, 
+    public static final Set<String> REPORT_MAILING_JOB_DATA_PARAMETERS =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(ID_PARAM_NAME, NAME_PARAM_NAME,
             DESCRIPTION_PARAM_NAME, RECURRENCE_PARAM_NAME, EMAIL_RECIPIENTS_PARAM_NAME, EMAIL_SUBJECT_PARAM_NAME, EMAIL_MESSAGE_PARAM_NAME, 
             EMAIL_ATTACHMENT_FILE_FORMAT_PARAM_NAME, STRETCHY_REPORT_PARAM_NAME, STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, 
             START_DATE_TIME_PARAM_NAME, PREVIOUS_RUN_DATE_TIME_PARAM_NAME, NEXT_RUN_DATE_TIME_PARAM_NAME, PREVIOUS_RUN_STATUS, 
-            PREVIOUS_RUN_ERROR_LOG, PREVIOUS_RUN_ERROR_MESSAGE, NUMBER_OF_RUNS));
+            PREVIOUS_RUN_ERROR_LOG, PREVIOUS_RUN_ERROR_MESSAGE, NUMBER_OF_RUNS)));
     
     // report mailing job configuration names
     public static final String GMAIL_SMTP_SERVER = "GMAIL_SMTP_SERVER";
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/campaigns/email/service/EmailCampaignReadPlatformServiceImpl.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/campaigns/email/service/EmailCampaignReadPlatformServiceImpl.java
index f791d92..e44c474 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/campaigns/email/service/EmailCampaignReadPlatformServiceImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/campaigns/email/service/EmailCampaignReadPlatformServiceImpl.java
@@ -18,21 +18,20 @@
  */
 package org.apache.fineract.infrastructure.campaigns.email.service;
 
-import org.joda.time.DateTime;
-import org.joda.time.LocalDate;
-import org.apache.fineract.infrastructure.core.data.EnumOptionData;
-import org.apache.fineract.infrastructure.core.domain.JdbcSupport;
-import org.apache.fineract.infrastructure.core.service.RoutingDataSource;
-import org.apache.fineract.infrastructure.dataqueries.data.ReportData;
-import org.apache.fineract.infrastructure.campaigns.email.data.ScheduledEmailEnumerations;
-import org.apache.fineract.infrastructure.campaigns.email.exception.EmailBusinessRuleNotFound;
-import org.apache.fineract.infrastructure.campaigns.email.exception.EmailCampaignNotFound;
 import org.apache.fineract.infrastructure.campaigns.email.data.EmailBusinessRulesData;
 import org.apache.fineract.infrastructure.campaigns.email.data.EmailCampaignData;
 import org.apache.fineract.infrastructure.campaigns.email.data.EmailCampaignTimeLine;
+import org.apache.fineract.infrastructure.campaigns.email.data.ScheduledEmailEnumerations;
 import org.apache.fineract.infrastructure.campaigns.email.domain.EmailCampaignStatus;
 import org.apache.fineract.infrastructure.campaigns.email.domain.EmailCampaignStatusEnumerations;
 import org.apache.fineract.infrastructure.campaigns.email.domain.EmailCampaignType;
+import org.apache.fineract.infrastructure.campaigns.email.exception.EmailBusinessRuleNotFound;
+import org.apache.fineract.infrastructure.campaigns.email.exception.EmailCampaignNotFound;
+import org.apache.fineract.infrastructure.core.data.EnumOptionData;
+import org.apache.fineract.infrastructure.core.domain.JdbcSupport;
+import org.apache.fineract.infrastructure.core.service.RoutingDataSource;
+import org.joda.time.DateTime;
+import org.joda.time.LocalDate;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.dao.DataAccessException;
 import org.springframework.dao.EmptyResultDataAccessException;
@@ -130,8 +129,11 @@ public class EmailCampaignReadPlatformServiceImpl implements EmailCampaignReadPl
             final boolean coreReport = rs.getBoolean("coreReport");
             final boolean useReport = rs.getBoolean("useReport");
 
-            final ReportData stretchyReport = new ReportData(reportId, reportName, reportType, reportSubType, reportCategory,
+            /*
+            final ReportData stretchyReport = new ReportData(reportId, reportName, reportType, reportSubType,
+                    reportCategory,
                     reportDescription, reportSql, coreReport, useReport, null);
+             */
 
             final Integer statusId = JdbcSupport.getInteger(rs, "statusEnum");
             final EnumOptionData status = EmailCampaignStatusEnumerations.status(statusId);
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/boot/ApplicationExitUtil.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/boot/ApplicationExitUtil.java
index 2dac008..1e5eb07 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/boot/ApplicationExitUtil.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/boot/ApplicationExitUtil.java
@@ -21,6 +21,7 @@ package org.apache.fineract.infrastructure.core.boot;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.nio.charset.Charset;
 
 import org.springframework.context.ConfigurableApplicationContext;
 
@@ -37,7 +38,7 @@ public abstract class ApplicationExitUtil {
         System.out.println("\nHit Enter to quit...");
         // NOTE: In Eclipse, System.console() is not available.. so:
         // (@see https://bugs.eclipse.org/bugs/show_bug.cgi?id=122429)
-        BufferedReader d = new BufferedReader(new InputStreamReader(System.in));
+        BufferedReader d = new BufferedReader(new InputStreamReader(System.in, Charset.defaultCharset()));
         d.readLine();
 
         ctx.stop();
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/data/DataValidatorBuilder.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/data/DataValidatorBuilder.java
index 8191cbc..0a073d0 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/data/DataValidatorBuilder.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/data/DataValidatorBuilder.java
@@ -475,7 +475,7 @@ public class DataValidatorBuilder {
 
         if (this.value != null) {
             final Integer intValue = Integer.valueOf(this.value.toString());
-            if (intValue != number) {
+            if (!intValue.equals(number)) {
                 final StringBuilder validationErrorCode = new StringBuilder("validation.msg.").append(this.resource).append(".")
                         .append(this.parameter).append(".not.equal.to.specified.number");
                 final StringBuilder defaultEnglishMessage = new StringBuilder("The parameter ").append(this.parameter)
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/data/EnumOptionData.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/data/EnumOptionData.java
index ee3da0d..0d656fa 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/data/EnumOptionData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/data/EnumOptionData.java
@@ -18,12 +18,15 @@
  */
 package org.apache.fineract.infrastructure.core.data;
 
+import java.io.Serializable;
+import java.util.Objects;
+
 /**
  * <p>
  * Immutable data object representing generic enumeration value.
  * </p>
  */
-public class EnumOptionData {
+public class EnumOptionData implements Serializable {
 
     private final Long id;
     private final String code;
@@ -46,6 +49,19 @@ public class EnumOptionData {
     public String getValue() {
         return this.value;
     }
-    
-    
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof EnumOptionData)) return false;
+        EnumOptionData that = (EnumOptionData) o;
+        return id.equals(that.id) &&
+                code.equals(that.code) &&
+                value.equals(that.value);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, code, value);
+    }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/service/AbandonedConnectionCleanupShutdownListener.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/service/AbandonedConnectionCleanupShutdownListener.java
index 579b431..ce4d15a 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/service/AbandonedConnectionCleanupShutdownListener.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/service/AbandonedConnectionCleanupShutdownListener.java
@@ -66,6 +66,8 @@ public class AbandonedConnectionCleanupShutdownListener implements ApplicationLi
         }
         try {
             Thread.sleep(2000L);
-        } catch (Exception e) {}
+        } catch (Exception e) {
+        	logger.error("Exception Occcured while trying to sleep.", e);
+        }
     }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/service/Page.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/service/Page.java
index d571aef..4f4768b 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/service/Page.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/service/Page.java
@@ -18,9 +18,10 @@
  */
 package org.apache.fineract.infrastructure.core.service;
 
+import java.io.Serializable;
 import java.util.List;
 
-public class Page<E> {
+public class Page<E> implements Serializable {
 
     private final int totalFilteredRecords;
     private final List<E> pageItems;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/DatatableCheckStatusData.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/DatatableCheckStatusData.java
index 43f0047..72f9a9c 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/DatatableCheckStatusData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/DatatableCheckStatusData.java
@@ -18,7 +18,9 @@
  */
 package org.apache.fineract.infrastructure.dataqueries.data;
 
-public class DatatableCheckStatusData {
+import java.io.Serializable;
+
+public class DatatableCheckStatusData implements Serializable {
 
 	private final String name;
 	private final int code;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/DatatableData.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/DatatableData.java
index 42491d0..7e52d7f 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/DatatableData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/DatatableData.java
@@ -18,12 +18,13 @@
  */
 package org.apache.fineract.infrastructure.dataqueries.data;
 
+import java.io.Serializable;
 import java.util.List;
 
 /**
  * Immutable data object representing datatable data.
  */
-public class DatatableData {
+public class DatatableData implements Serializable {
 
     @SuppressWarnings("unused")
     private final String applicationTableName;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/EntityDataTableChecksTemplateData.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/EntityDataTableChecksTemplateData.java
index 962c08d..4b559b7 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/EntityDataTableChecksTemplateData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/EntityDataTableChecksTemplateData.java
@@ -18,12 +18,15 @@
  */
 package org.apache.fineract.infrastructure.dataqueries.data;
 
+import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
+import org.apache.fineract.portfolio.loanproduct.data.LoanProductData;
+import org.apache.fineract.portfolio.savings.data.SavingsProductData;
+
 import java.io.Serializable;
 import java.util.Collection;
 import java.util.List;
-
-import org.apache.fineract.portfolio.loanproduct.data.LoanProductData;
-import org.apache.fineract.portfolio.savings.data.SavingsProductData;
+import java.util.Objects;
 
 /**
  * Immutable data object for role data.
@@ -53,4 +56,27 @@ public class EntityDataTableChecksTemplateData implements Serializable {
 		this.loanProductDatas = loanProductDatas;
 		this.savingsProductDatas = savingsProductDatas;
 	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) return true;
+
+		if (!(o instanceof EntityDataTableChecksTemplateData)) return false;
+
+		EntityDataTableChecksTemplateData that = (EntityDataTableChecksTemplateData) o;
+
+		return Objects.equals(entities, that.entities) &&
+			   Objects.equals(statusClient, that.statusClient) &&
+				Objects.equals(statusGroup, that.statusGroup) &&
+				Objects.equals(statusSavings, that.statusSavings) &&
+				Objects.equals(statusLoans, that.statusLoans) &&
+				Objects.equals(datatables, that.datatables) &&
+				Objects.equals(loanProductDatas, that.loanProductDatas) &&
+				Objects.equals(savingsProductDatas, that.savingsProductDatas);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(entities, statusClient, statusGroup, statusSavings, statusLoans, datatables, loanProductDatas, savingsProductDatas);
+	}
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/ResultsetColumnHeaderData.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/ResultsetColumnHeaderData.java
index 75f0eb8..31d3064 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/ResultsetColumnHeaderData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/ResultsetColumnHeaderData.java
@@ -18,15 +18,16 @@
  */
 package org.apache.fineract.infrastructure.dataqueries.data;
 
+import org.apache.fineract.infrastructure.core.exception.PlatformDataIntegrityException;
+
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.fineract.infrastructure.core.exception.PlatformDataIntegrityException;
-
 /**
  * Immutable data object representing a resultset column.
  */
-public final class ResultsetColumnHeaderData {
+public final class ResultsetColumnHeaderData implements Serializable {
 
     private final String columnName;
     private String columnType;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/ResultsetColumnValueData.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/ResultsetColumnValueData.java
index c42513b..ae9e794 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/ResultsetColumnValueData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/data/ResultsetColumnValueData.java
@@ -18,11 +18,13 @@
  */
 package org.apache.fineract.infrastructure.dataqueries.data;
 
+import java.io.Serializable;
+
 /**
  * Immutable data object representing a possible value for a given resultset
  * column.
  */
-public class ResultsetColumnValueData {
+public class ResultsetColumnValueData implements Serializable {
 
     private final int id;
     private final String value;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/service/ReadWriteNonCoreDataServiceImpl.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/service/ReadWriteNonCoreDataServiceImpl.java
index adc1efe..ed4f0b7 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/service/ReadWriteNonCoreDataServiceImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/service/ReadWriteNonCoreDataServiceImpl.java
@@ -18,19 +18,10 @@
  */
 package org.apache.fineract.infrastructure.dataqueries.service;
 
-import java.lang.reflect.Type;
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Set;
-
-import javax.persistence.PersistenceException;
-import javax.sql.DataSource;
-
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.reflect.TypeToken;
 import org.apache.commons.lang.BooleanUtils;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang.exception.ExceptionUtils;
@@ -51,11 +42,7 @@ import org.apache.fineract.infrastructure.core.serialization.FromJsonHelper;
 import org.apache.fineract.infrastructure.core.serialization.JsonParserHelper;
 import org.apache.fineract.infrastructure.core.service.RoutingDataSource;
 import org.apache.fineract.infrastructure.dataqueries.api.DataTableApiConstant;
-import org.apache.fineract.infrastructure.dataqueries.data.DataTableValidator;
-import org.apache.fineract.infrastructure.dataqueries.data.DatatableData;
-import org.apache.fineract.infrastructure.dataqueries.data.GenericResultsetData;
-import org.apache.fineract.infrastructure.dataqueries.data.ResultsetColumnHeaderData;
-import org.apache.fineract.infrastructure.dataqueries.data.ResultsetRowData;
+import org.apache.fineract.infrastructure.dataqueries.data.*;
 import org.apache.fineract.infrastructure.dataqueries.exception.DatatableEntryRequiredException;
 import org.apache.fineract.infrastructure.dataqueries.exception.DatatableNotFoundException;
 import org.apache.fineract.infrastructure.dataqueries.exception.DatatableSystemErrorException;
@@ -79,10 +66,11 @@ import org.springframework.jdbc.support.rowset.SqlRowSetMetaData;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import com.google.gson.JsonArray;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.reflect.TypeToken;
+import javax.persistence.PersistenceException;
+import javax.sql.DataSource;
+import java.lang.reflect.Type;
+import java.math.BigDecimal;
+import java.util.*;
 
 @Service
 public class ReadWriteNonCoreDataServiceImpl implements ReadWriteNonCoreDataService {
@@ -805,7 +793,7 @@ public class ReadWriteNonCoreDataServiceImpl implements ReadWriteNonCoreDataServ
             final StringBuilder constrainBuilder, final List<String> codeMappings) {
         final String datatableAlias = datatableName.toLowerCase().replaceAll("\\s", "_");
         final String name = (column.has("name")) ? column.get("name").getAsString() : null;
-        sqlBuilder = sqlBuilder.append(", DROP COLUMN `" + name + "`");
+        //sqlBuilder = sqlBuilder.append(", DROP COLUMN `" + name + "`");
         final StringBuilder findFKSql = new StringBuilder();
         findFKSql.append("SELECT count(*)").append("FROM information_schema.TABLE_CONSTRAINTS i")
                 .append(" WHERE i.CONSTRAINT_TYPE = 'FOREIGN KEY'").append(" AND i.TABLE_SCHEMA = DATABASE()")
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/entityaccess/domain/FineractEntityType.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/entityaccess/domain/FineractEntityType.java
index dd8e384..24ef611 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/entityaccess/domain/FineractEntityType.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/entityaccess/domain/FineractEntityType.java
@@ -23,11 +23,14 @@ public class FineractEntityType {
 	private String description;
 	private String table_name;
 	
-	public static FineractEntityType OFFICE = new FineractEntityType ("office", "Offices", "m_office"); 
-	public static FineractEntityType LOAN_PRODUCT = new FineractEntityType ("loan_product", "Loan Products", "m_product_loan");
-	public static FineractEntityType SAVINGS_PRODUCT = new FineractEntityType ("savings_product", "Savings Products", "m_savings_product");
-	public static FineractEntityType CHARGE = new FineractEntityType ("charge", "Fees/Charges", "m_charge");
-	public static FineractEntityType SHARE_PRODUCT = new FineractEntityType("shares_product", "Shares Products", "m_share_product") ;
+	public static final FineractEntityType OFFICE = new FineractEntityType ("office", "Offices", "m_office");
+	public static final FineractEntityType LOAN_PRODUCT = new FineractEntityType ("loan_product", "Loan Products",
+					"m_product_loan");
+	public static final FineractEntityType SAVINGS_PRODUCT = new FineractEntityType ("savings_product", "Savings Products"
+					, "m_savings_product");
+	public static final FineractEntityType CHARGE = new FineractEntityType ("charge", "Fees/Charges", "m_charge");
+	public static final FineractEntityType SHARE_PRODUCT = new FineractEntityType("shares_product", "Shares Products",
+					"m_share_product") ;
 	
 	private FineractEntityType (String type, String description, String table_name) {
 		this.type = type;
@@ -55,11 +58,11 @@ public class FineractEntityType {
     		retType =  OFFICE;
     	} else if (type.equals(LOAN_PRODUCT.type)) { 
     			retType = LOAN_PRODUCT;
-    	} else if (type.equals(SAVINGS_PRODUCT)) { 
+    	} else if (type.equals(SAVINGS_PRODUCT.type)) {
     			retType = SAVINGS_PRODUCT;
-    	} else if (type.equals(CHARGE)) {
+    	} else if (type.equals(CHARGE.type)) {
     		retType = CHARGE;
-    	}else if(type.equals(SHARE_PRODUCT)) {
+    	}else if(type.equals(SHARE_PRODUCT.type)) {
     		retType = SHARE_PRODUCT ;
     	}
     	return retType;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/gcm/domain/Sender.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/gcm/domain/Sender.java
index cc9970e..87470c2 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/gcm/domain/Sender.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/gcm/domain/Sender.java
@@ -18,80 +18,29 @@
  */
 package org.apache.fineract.infrastructure.gcm.domain;
 
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_CANONICAL_IDS;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_ERROR;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_FAILURE;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_MESSAGE_ID;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_MULTICAST_ID;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_BADGE;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_BODY;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_BODY_LOC_ARGS;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_BODY_LOC_KEY;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_CLICK_ACTION;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_COLOR;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_ICON;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_SOUND;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_TAG;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_TITLE;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_TITLE_LOC_ARGS;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_NOTIFICATION_TITLE_LOC_KEY;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_PAYLOAD;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_REGISTRATION_IDS;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_TO;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_RESULTS;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.JSON_SUCCESS;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.PARAM_COLLAPSE_KEY;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.PARAM_DELAY_WHILE_IDLE;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.PARAM_DRY_RUN;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.PARAM_PRIORITY;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.PARAM_CONTENT_AVAILABLE;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.PARAM_RESTRICTED_PACKAGE_NAME;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.PARAM_TIME_TO_LIVE;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.TOKEN_CANONICAL_REG_ID;
-import static org.apache.fineract.infrastructure.gcm.GcmConstants.TOPIC_PREFIX;
-
-import org.apache.fineract.infrastructure.gcm.GcmConstants;
-import org.apache.fineract.infrastructure.gcm.exception.InvalidRequestException;
-/*import org.json.simple.JSONArray;
-import org.json.simple.JSONObject;
-import org.json.simple.JSONValue;
-import org.json.simple.parser.JSONParser;
-import org.json.simple.parser.ParseException;*/
-
-
-
-
-
-
 import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
+import org.apache.fineract.infrastructure.gcm.GcmConstants;
+import org.apache.fineract.infrastructure.gcm.exception.InvalidRequestException;
 
-import java.io.BufferedReader;
-import java.io.Closeable;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
+import java.io.*;
 import java.net.HttpURLConnection;
 import java.net.URL;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Random;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.util.*;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
+import static org.apache.fineract.infrastructure.gcm.GcmConstants.*;
+
 /**
  * Helper class to send messages to the GCM service using an API Key.
  */
 public class Sender {
 
-	protected static final String UTF8 = "UTF-8";
-
 	/**
 	 * Initial delay before first retry, without jitter.
 	 */
@@ -262,7 +211,7 @@ public class Sender {
 								.get(TOKEN_CANONICAL_REG_ID).getAsString();
 					}
 					if(jsonResult.has(JSON_ERROR)){
-						error = (String) jsonResult.get(JSON_ERROR).getAsString();
+						error = jsonResult.get(JSON_ERROR).getAsString();
 					}
 					int success = 0;
 					int failure = 0;
@@ -306,7 +255,7 @@ public class Sender {
 				int failure = getNumber(responseMap, JSON_FAILURE).intValue();
 				List<String> failedIds = null;
 				if (jsonResponse.has("failed_registration_ids")) {
-					JsonArray jFailedIds = (JsonArray) jsonResponse
+					JsonArray jFailedIds = jsonResponse
 							.get("failed_registration_ids").getAsJsonArray();
 					failedIds = new ArrayList<>();
 					for (int i = 0; i < jFailedIds.size(); i++) {
@@ -709,7 +658,7 @@ public class Sender {
 		}
 		logger.fine("Sending POST to " + url);
 		logger.finest("POST body: " + body);
-		byte[] bytes = body.getBytes(UTF8);
+		byte[] bytes = body.getBytes(StandardCharsets.UTF_8);
 		HttpURLConnection conn = getConnection(url);
 		conn.setDoOutput(true);
 		conn.setUseCaches(false);
@@ -789,7 +738,7 @@ public class Sender {
 			return "";
 		}
 		BufferedReader reader = new BufferedReader(
-				new InputStreamReader(stream));
+				new InputStreamReader(stream, StandardCharsets.UTF_8));
 		StringBuilder content = new StringBuilder();
 		String newLine;
 		do {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/hooks/data/Field.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/hooks/data/Field.java
index 84d25b5..444e49d 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/hooks/data/Field.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/hooks/data/Field.java
@@ -18,8 +18,10 @@
  */
 package org.apache.fineract.infrastructure.hooks.data;
 
+import java.io.Serializable;
+
 @SuppressWarnings("unused")
-public class Field {
+public class Field implements Serializable {
 
 	private final String fieldName;
 	private final String fieldValue;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/ReportMailingJobConstants.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/ReportMailingJobConstants.java
index ab5f110..8560c64 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/ReportMailingJobConstants.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/ReportMailingJobConstants.java
@@ -18,11 +18,13 @@
  */
 package org.apache.fineract.infrastructure.reportmailingjob;
 
+import java.io.Serializable;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
-public class ReportMailingJobConstants {
+public class ReportMailingJobConstants implements Serializable {
 
     // define the API resource entity name
     public static final String REPORT_MAILING_JOB_ENTITY_NAME = "REPORTMAILINGJOB";
@@ -62,23 +64,26 @@ public class ReportMailingJobConstants {
     public static final String STRETCHY_REPORT_PARAM_NAME = "stretchyReport";
     
     // list of permitted parameters for the create report mailing job request
-    public static final Set<String> CREATE_REQUEST_PARAMETERS = new HashSet<>(Arrays.asList(LOCALE_PARAM_NAME, DATE_FORMAT_PARAM_NAME, 
-            NAME_PARAM_NAME, DESCRIPTION_PARAM_NAME, RECURRENCE_PARAM_NAME, EMAIL_RECIPIENTS_PARAM_NAME, EMAIL_SUBJECT_PARAM_NAME, 
-            EMAIL_MESSAGE_PARAM_NAME, EMAIL_ATTACHMENT_FILE_FORMAT_ID_PARAM_NAME, STRETCHY_REPORT_ID_PARAM_NAME, 
-            STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, START_DATE_TIME_PARAM_NAME));
-    
+    public static final Set<String> CREATE_REQUEST_PARAMETERS =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(LOCALE_PARAM_NAME, DATE_FORMAT_PARAM_NAME,
+            NAME_PARAM_NAME, DESCRIPTION_PARAM_NAME, RECURRENCE_PARAM_NAME, EMAIL_RECIPIENTS_PARAM_NAME, EMAIL_SUBJECT_PARAM_NAME,
+            EMAIL_MESSAGE_PARAM_NAME, EMAIL_ATTACHMENT_FILE_FORMAT_ID_PARAM_NAME, STRETCHY_REPORT_ID_PARAM_NAME,
+            STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, START_DATE_TIME_PARAM_NAME)));
+
     // list of permitted parameters for the update report mailing job request
-    public static final Set<String> UPDATE_REQUEST_PARAMETERS = new HashSet<>(Arrays.asList(LOCALE_PARAM_NAME, DATE_FORMAT_PARAM_NAME, 
+    public static final Set<String> UPDATE_REQUEST_PARAMETERS =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(LOCALE_PARAM_NAME, DATE_FORMAT_PARAM_NAME,
             NAME_PARAM_NAME, DESCRIPTION_PARAM_NAME, RECURRENCE_PARAM_NAME, EMAIL_RECIPIENTS_PARAM_NAME, EMAIL_SUBJECT_PARAM_NAME, 
             EMAIL_MESSAGE_PARAM_NAME, EMAIL_ATTACHMENT_FILE_FORMAT_ID_PARAM_NAME, STRETCHY_REPORT_ID_PARAM_NAME, 
-            STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, START_DATE_TIME_PARAM_NAME));
+            STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, START_DATE_TIME_PARAM_NAME)));
     
     // list of parameters that represent the properties of a report mailing job
-    public static final Set<String> REPORT_MAILING_JOB_DATA_PARAMETERS = new HashSet<>(Arrays.asList(ID_PARAM_NAME, NAME_PARAM_NAME, 
+    public static final Set<String> REPORT_MAILING_JOB_DATA_PARAMETERS =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(ID_PARAM_NAME, NAME_PARAM_NAME,
             DESCRIPTION_PARAM_NAME, RECURRENCE_PARAM_NAME, EMAIL_RECIPIENTS_PARAM_NAME, EMAIL_SUBJECT_PARAM_NAME, EMAIL_MESSAGE_PARAM_NAME, 
             EMAIL_ATTACHMENT_FILE_FORMAT_PARAM_NAME, STRETCHY_REPORT_PARAM_NAME, STRETCHY_REPORT_PARAM_MAP_PARAM_NAME, IS_ACTIVE_PARAM_NAME, 
             START_DATE_TIME_PARAM_NAME, PREVIOUS_RUN_DATE_TIME_PARAM_NAME, NEXT_RUN_DATE_TIME_PARAM_NAME, PREVIOUS_RUN_STATUS, 
-            PREVIOUS_RUN_ERROR_LOG, PREVIOUS_RUN_ERROR_MESSAGE, NUMBER_OF_RUNS));
+            PREVIOUS_RUN_ERROR_LOG, PREVIOUS_RUN_ERROR_MESSAGE, NUMBER_OF_RUNS)));
     
     // report mailing job configuration names
     public static final String GMAIL_SMTP_SERVER = "GMAIL_SMTP_SERVER";
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/data/ReportMailingJobEmailAttachmentFileFormat.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/data/ReportMailingJobEmailAttachmentFileFormat.java
index c3e15ca..24e2a6c 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/data/ReportMailingJobEmailAttachmentFileFormat.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/data/ReportMailingJobEmailAttachmentFileFormat.java
@@ -18,12 +18,12 @@
  */
 package org.apache.fineract.infrastructure.reportmailingjob.data;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import org.apache.commons.lang.StringUtils;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public enum ReportMailingJobEmailAttachmentFileFormat {
     INVALID(0, "ReportMailingJobEmailAttachmentFileFormat.INVALID", "Invalid"),
     XLS(1, "ReportMailingJobEmailAttachmentFileFormat.XLS", "XLS"),
@@ -34,7 +34,7 @@ public enum ReportMailingJobEmailAttachmentFileFormat {
     private String value;
     private Integer id;
     
-    private ReportMailingJobEmailAttachmentFileFormat(final Integer id, final String code, final String value) {
+    ReportMailingJobEmailAttachmentFileFormat(final Integer id, final String code, final String value) {
         this.value = value;
         this.code = code;
         this.id = id;
@@ -69,11 +69,11 @@ public enum ReportMailingJobEmailAttachmentFileFormat {
     public static ReportMailingJobEmailAttachmentFileFormat newInstance(final Integer id) {
         ReportMailingJobEmailAttachmentFileFormat emailAttachmentFileFormat = INVALID;
         
-        if (id == XLS.id) {
+        if (id.equals(XLS.id)) {
             emailAttachmentFileFormat = XLS;
-        } else if (id == PDF.id) {
+        } else if (id.equals(PDF.id)) {
             emailAttachmentFileFormat = PDF;
-        } else if (id == CSV.id) {
+        } else if (id.equals(CSV.id)) {
             emailAttachmentFileFormat = CSV;
         }
         
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/data/ReportMailingJobStretchyReportParamDateOption.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/data/ReportMailingJobStretchyReportParamDateOption.java
index 01cf808..6959d83 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/data/ReportMailingJobStretchyReportParamDateOption.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/reportmailingjob/data/ReportMailingJobStretchyReportParamDateOption.java
@@ -18,12 +18,12 @@
  */
 package org.apache.fineract.infrastructure.reportmailingjob.data;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import org.apache.commons.lang.StringUtils;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public enum ReportMailingJobStretchyReportParamDateOption {
     INVALID(0, "ReportMailingJobStretchyReportParamDateOption.INVALID", "Invalid"),
     TODAY(1, "ReportMailingJobStretchyReportParamDateOption.TODAY", "Today"),
@@ -74,11 +74,11 @@ public enum ReportMailingJobStretchyReportParamDateOption {
     public static ReportMailingJobStretchyReportParamDateOption newInstance(final Integer id) {
         ReportMailingJobStretchyReportParamDateOption reportMailingJobStretchyReportParamDateOption = INVALID;
         
-        if (id == TODAY.id) {
+        if (id.equals(TODAY.id)) {
             reportMailingJobStretchyReportParamDateOption = TODAY;
-        } else if (id == YESTERDAY.id) {
+        } else if (id.equals(YESTERDAY.id)) {
             reportMailingJobStretchyReportParamDateOption = YESTERDAY;
-        } else if (id == TOMORROW.id) {
+        } else if (id.equals(TOMORROW.id)) {
             reportMailingJobStretchyReportParamDateOption = TOMORROW;
         }
         
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/security/api/AuthenticationApiResource.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/security/api/AuthenticationApiResource.java
index 7ddf2f8..b88110c 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/security/api/AuthenticationApiResource.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/security/api/AuthenticationApiResource.java
@@ -18,6 +18,8 @@
  */
 package org.apache.fineract.infrastructure.security.api;
 
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Set;
@@ -129,12 +131,12 @@ public class AuthenticationApiResource {
                     principal.hasSpecificPermissionTo(TwoFactorConstants.BYPASS_TWO_FACTOR_PERMISSION);
             if (this.springSecurityPlatformSecurityContext.doesPasswordHasToBeRenewed(principal)) {
                 authenticatedUserData = new AuthenticatedUserData(request.username, principal.getId(),
-                        new String(base64EncodedAuthenticationKey), isTwoFactorRequired);
+                        new String(base64EncodedAuthenticationKey, StandardCharsets.UTF_8), isTwoFactorRequired);
             } else {
 
                 authenticatedUserData = new AuthenticatedUserData(request.username, officeId, officeName, staffId, staffDisplayName,
                         organisationalRole, roles, permissions, principal.getId(),
-                        new String(base64EncodedAuthenticationKey), isTwoFactorRequired);
+                        new String(base64EncodedAuthenticationKey, StandardCharsets.UTF_8), isTwoFactorRequired);
             }
 
         }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/security/constants/TwoFactorConfigurationConstants.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/security/constants/TwoFactorConfigurationConstants.java
index 22818de..a69c6bc 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/security/constants/TwoFactorConfigurationConstants.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/security/constants/TwoFactorConfigurationConstants.java
@@ -18,10 +18,7 @@
  */
 package org.apache.fineract.infrastructure.security.constants;
 
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 
 public class TwoFactorConfigurationConstants {
 
@@ -42,18 +39,18 @@ public class TwoFactorConfigurationConstants {
     public static final String ACCESS_TOKEN_LIVE_TIME_EXTENDED = "access-token-live-time-extended";
 
     public static final Set<String> REQUEST_DATA_PARAMETERS =
-            new HashSet<>(Arrays.asList(ENABLE_EMAIL_DELIVERY, EMAIL_SUBJECT, EMAIL_BODY,
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(ENABLE_EMAIL_DELIVERY, EMAIL_SUBJECT, EMAIL_BODY,
                     ENABLE_SMS_DELIVERY, SMS_PROVIDER_ID, SMS_MESSAGE_TEXT, OTP_TOKEN_LIVE_TIME,
-                    OTP_TOKEN_LENGTH, ACCESS_TOKEN_LIVE_TIME, ACCESS_TOKEN_LIVE_TIME_EXTENDED));
+                    OTP_TOKEN_LENGTH, ACCESS_TOKEN_LIVE_TIME, ACCESS_TOKEN_LIVE_TIME_EXTENDED)));
 
     public static final List<String> STRING_PARAMETERS =
-            Arrays.asList(EMAIL_SUBJECT, EMAIL_BODY, SMS_MESSAGE_TEXT);
+            Collections.unmodifiableList(Arrays.asList(EMAIL_SUBJECT, EMAIL_BODY, SMS_MESSAGE_TEXT));
 
     public static final List<String> BOOLEAN_PARAMETERS =
-            Arrays.asList(ENABLE_EMAIL_DELIVERY, ENABLE_SMS_DELIVERY);
+            Collections.unmodifiableList(Arrays.asList(ENABLE_EMAIL_DELIVERY, ENABLE_SMS_DELIVERY));
 
     public static final List<String> NUMBER_PARAMETERS =
-            Arrays.asList(SMS_PROVIDER_ID, OTP_TOKEN_LIVE_TIME, OTP_TOKEN_LENGTH,
-                    ACCESS_TOKEN_LIVE_TIME, ACCESS_TOKEN_LIVE_TIME_EXTENDED);
+            Collections.unmodifiableList(Arrays.asList(SMS_PROVIDER_ID, OTP_TOKEN_LIVE_TIME, OTP_TOKEN_LENGTH,
+                    ACCESS_TOKEN_LIVE_TIME, ACCESS_TOKEN_LIVE_TIME_EXTENDED));
 
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/interoperation/data/InteropResponseData.java b/fineract-provider/src/main/java/org/apache/fineract/interoperation/data/InteropResponseData.java
index e31fe36..842a82c 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/interoperation/data/InteropResponseData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/interoperation/data/InteropResponseData.java
@@ -34,7 +34,7 @@ public class InteropResponseData extends CommandProcessingResult {
 
     public static final String ISO_DATE_TIME_PATTERN = "yyyy-MM-dd'T'HH:mm:ssZ";
 //    public static final SimpleDateFormat ISO_DATE_TIME_FORMATTER = new SimpleDateFormat(ISO_DATE_TIME_PATTERN); // TODO: not synchronized
-    public static DateTimeFormatter ISO_DATE_TIME_FORMATTER = DateTimeFormat.forPattern(ISO_DATE_TIME_PATTERN);
+    public static final DateTimeFormatter ISO_DATE_TIME_FORMATTER = DateTimeFormat.forPattern(ISO_DATE_TIME_PATTERN);
 
     @NotNull
     private final String transactionCode;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/notification/service/TopicDomainServiceImpl.java b/fineract-provider/src/main/java/org/apache/fineract/notification/service/TopicDomainServiceImpl.java
index e1f19ce..77cbc69 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/notification/service/TopicDomainServiceImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/notification/service/TopicDomainServiceImpl.java
@@ -162,7 +162,7 @@ public class TopicDomainServiceImpl implements TopicDomainService {
             
             for (TopicSubscriber subscriber : oldSubscriptions) {
             	for (Topic topic : oldTopics) {
-            		if (subscriber.getTopic().getId() == topic.getId()) {
+            		if (subscriber.getTopic().getId().equals(topic.getId())) {
             			topicSubscriberRepository.delete(subscriber);
             		}
             	}
diff --git a/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/data/CurrencyData.java b/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/data/CurrencyData.java
index c3c8750..42d550a 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/data/CurrencyData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/data/CurrencyData.java
@@ -18,10 +18,13 @@
  */
 package org.apache.fineract.organisation.monetary.data;
 
+import java.io.Serializable;
+import java.util.Objects;
+
 /**
  * Immutable data object representing currency.
  */
-public class CurrencyData {
+public class CurrencyData implements Serializable {
 
     private final String code;
     private final String name;
@@ -70,17 +73,6 @@ public class CurrencyData {
         return this.inMultiplesOf;
     }
 
-    @Override
-    public boolean equals(final Object obj) {
-        final CurrencyData currencyData = (CurrencyData) obj;
-        return currencyData.code.equals(this.code);
-    }
-
-    @Override
-    public int hashCode() {
-        return this.code.hashCode();
-    }
-
     private String generateDisplayLabel() {
 
         final StringBuilder builder = new StringBuilder(this.name).append(' ');
@@ -97,4 +89,23 @@ public class CurrencyData {
     public String getName() {
         return name;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof CurrencyData)) return false;
+        CurrencyData that = (CurrencyData) o;
+        return Objects.equals(decimalPlaces, that.decimalPlaces) &&
+                Objects.equals(code, that.code) &&
+                Objects.equals(name, that.name) &&
+                Objects.equals(inMultiplesOf, that.inMultiplesOf) &&
+                Objects.equals(displaySymbol, that.displaySymbol) &&
+                Objects.equals(nameCode, that.nameCode) &&
+                Objects.equals(displayLabel, that.displayLabel);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(code, name, decimalPlaces, inMultiplesOf, displaySymbol, nameCode, displayLabel);
+    }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/domain/ApplicationCurrency.java b/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/domain/ApplicationCurrency.java
index 352c85a..9b867f3 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/domain/ApplicationCurrency.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/domain/ApplicationCurrency.java
@@ -18,14 +18,14 @@
  */
 package org.apache.fineract.organisation.monetary.domain;
 
+import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
+import org.apache.fineract.organisation.monetary.data.CurrencyData;
+import org.apache.fineract.organisation.office.domain.OrganisationCurrency;
+
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.Table;
 
-import org.apache.fineract.organisation.monetary.data.CurrencyData;
-import org.apache.fineract.organisation.office.domain.OrganisationCurrency;
-import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
-
 @Entity
 @Table(name = "m_currency")
 public class ApplicationCurrency extends AbstractPersistableCustom<Long> {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/domain/MoneyHelper.java b/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/domain/MoneyHelper.java
index 8f2f7a8..8f3a75f 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/domain/MoneyHelper.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/organisation/monetary/domain/MoneyHelper.java
@@ -18,15 +18,15 @@
  */
 package org.apache.fineract.organisation.monetary.domain;
 
-import java.math.MathContext;
-import java.math.RoundingMode;
-
-import javax.annotation.PostConstruct;
-
+import net.sf.ehcache.util.FindBugsSuppressWarnings;
 import org.apache.fineract.infrastructure.configuration.domain.ConfigurationDomainService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
+import javax.annotation.PostConstruct;
+import java.math.MathContext;
+import java.math.RoundingMode;
+
 @Component
 public class MoneyHelper {
 
@@ -40,6 +40,7 @@ public class MoneyHelper {
     private ConfigurationDomainService configurationDomainService;
 
     @PostConstruct
+    @FindBugsSuppressWarnings("ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD")
     public void someFunction () {
         staticConfigurationDomainService = configurationDomainService;
     }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/organisation/provisioning/domain/ProvisioningCriteria.java b/fineract-provider/src/main/java/org/apache/fineract/organisation/provisioning/domain/ProvisioningCriteria.java
index b5c92a0..ac76c8a 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/organisation/provisioning/domain/ProvisioningCriteria.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/organisation/provisioning/domain/ProvisioningCriteria.java
@@ -18,21 +18,6 @@
  */
 package org.apache.fineract.organisation.provisioning.domain;
 
-import java.time.Instant;
-import java.util.HashSet;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.OneToMany;
-import javax.persistence.Table;
-import javax.persistence.UniqueConstraint;
-
 import org.apache.fineract.accounting.glaccount.domain.GLAccount;
 import org.apache.fineract.infrastructure.core.api.JsonCommand;
 import org.apache.fineract.infrastructure.core.domain.AbstractAuditableCustom;
@@ -42,6 +27,10 @@ import org.apache.fineract.portfolio.loanproduct.domain.LoanProduct;
 import org.apache.fineract.useradministration.domain.AppUser;
 import org.joda.time.DateTime;
 
+import javax.persistence.*;
+import java.time.Instant;
+import java.util.*;
+
 @Entity
 @Table(name = "m_provisioning_criteria", uniqueConstraints = { @UniqueConstraint(columnNames = { "criteria_name" }, name = "criteria_name") })
 public class ProvisioningCriteria extends AbstractAuditableCustom<AppUser, Long> {
@@ -72,7 +61,7 @@ public class ProvisioningCriteria extends AbstractAuditableCustom<AppUser, Long>
         setCreatedBy(createdBy) ;
         setCreatedDate(Instant.ofEpochMilli(createdDate.getMillis()));
         setLastModifiedBy(lastModifiedBy) ;
-        setLastModifiedDate(lastModifiedDate  == null ? null : Instant.ofEpochMilli(lastModifiedDate.getMillis()));
+        setLastModifiedDate(Instant.ofEpochMilli(lastModifiedDate.getMillis()));
     }
 
     public void setProvisioningCriteriaDefinitions(Set<ProvisioningCriteriaDefinition> provisioningCriteriaDefinition) {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/organisation/provisioning/service/ProvisioningCriteriaAssembler.java b/fineract-provider/src/main/java/org/apache/fineract/organisation/provisioning/service/ProvisioningCriteriaAssembler.java
index 5601e17..80e5193 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/organisation/provisioning/service/ProvisioningCriteriaAssembler.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/organisation/provisioning/service/ProvisioningCriteriaAssembler.java
@@ -121,10 +121,9 @@ public class ProvisioningCriteriaAssembler {
 
     private ProvisioningCriteria createCriteria(final JsonElement jsonElement) {
         final String criteriaName = this.fromApiJsonHelper.extractStringNamed(ProvisioningCriteriaConstants.JSON_CRITERIANAME_PARAM, jsonElement);
-        AppUser modifiedBy = null;
-        DateTime modifiedOn = null;
+
         ProvisioningCriteria criteria = new ProvisioningCriteria(criteriaName, platformSecurityContext.authenticatedUser(), new DateTime(),
-                modifiedBy, modifiedOn);
+                platformSecurityContext.authenticatedUser(), new DateTime());
         return criteria;
     }
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/organisation/staff/data/StaffData.java b/fineract-provider/src/main/java/org/apache/fineract/organisation/staff/data/StaffData.java
index 265b671..8394ab4 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/organisation/staff/data/StaffData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/organisation/staff/data/StaffData.java
@@ -18,16 +18,16 @@
  */
 package org.apache.fineract.organisation.staff.data;
 
-import java.util.Collection;
-
-import org.apache.fineract.infrastructure.bulkimport.constants.TemplatePopulateImportConstants;
 import org.apache.fineract.organisation.office.data.OfficeData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.util.Collection;
+
 /**
  * Immutable data object representing staff data.
  */
-public class StaffData {
+public class StaffData implements Serializable {
 
     private final Long id;
     private final String externalId;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/data/CashierData.java b/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/data/CashierData.java
index 27367f7..2c346ce 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/data/CashierData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/data/CashierData.java
@@ -18,17 +18,12 @@
  */
 package org.apache.fineract.organisation.teller.data;
 
+import org.apache.fineract.organisation.staff.data.StaffData;
+
 import java.io.Serializable;
 import java.util.Collection;
 import java.util.Date;
 
-import org.apache.fineract.infrastructure.codes.data.CodeValueData;
-import org.apache.fineract.organisation.office.data.OfficeData;
-import org.apache.fineract.organisation.staff.data.StaffData;
-import org.apache.fineract.portfolio.client.data.ClientData;
-import org.apache.fineract.portfolio.savings.data.SavingsProductData;
-import org.joda.time.LocalDate;
-
 /**
  * Represents a cashier, providing access to the cashier's office, staff
  * information, teller, and more.
diff --git a/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/domain/CashierTxnType.java b/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/domain/CashierTxnType.java
index 1141deb..c8f39cd 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/domain/CashierTxnType.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/domain/CashierTxnType.java
@@ -18,9 +18,9 @@
  */
 package org.apache.fineract.organisation.teller.domain;
 
-import java.util.HashMap;
+import java.io.Serializable;
 
-public class CashierTxnType {
+public class CashierTxnType implements Serializable {
 	
 	private Integer id;
 	private String value;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/service/TellerManagementReadPlatformServiceImpl.java b/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/service/TellerManagementReadPlatformServiceImpl.java
index 7451795..a3ccd5e 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/service/TellerManagementReadPlatformServiceImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/organisation/teller/service/TellerManagementReadPlatformServiceImpl.java
@@ -18,13 +18,6 @@
  */
 package org.apache.fineract.organisation.teller.service;
 
-import java.math.BigDecimal;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.Collection;
-import java.util.Date;
-import java.util.Iterator;
-
 import org.apache.commons.lang.StringUtils;
 import org.apache.fineract.infrastructure.core.domain.JdbcSupport;
 import org.apache.fineract.infrastructure.core.exception.UnrecognizedQueryParamException;
@@ -41,13 +34,7 @@ import org.apache.fineract.organisation.office.service.OfficeReadPlatformService
 import org.apache.fineract.organisation.staff.data.StaffData;
 import org.apache.fineract.organisation.staff.exception.StaffNotFoundException;
 import org.apache.fineract.organisation.staff.service.StaffReadPlatformService;
-import org.apache.fineract.organisation.teller.data.CashierData;
-import org.apache.fineract.organisation.teller.data.CashierTransactionData;
-import org.apache.fineract.organisation.teller.data.CashierTransactionTypeTotalsData;
-import org.apache.fineract.organisation.teller.data.CashierTransactionsWithSummaryData;
-import org.apache.fineract.organisation.teller.data.TellerData;
-import org.apache.fineract.organisation.teller.data.TellerJournalData;
-import org.apache.fineract.organisation.teller.data.TellerTransactionData;
+import org.apache.fineract.organisation.teller.data.*;
 import org.apache.fineract.organisation.teller.domain.CashierTxnType;
 import org.apache.fineract.organisation.teller.domain.TellerStatus;
 import org.apache.fineract.useradministration.domain.AppUser;
@@ -60,6 +47,13 @@ import org.springframework.jdbc.core.RowMapper;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
+import java.math.BigDecimal;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Collection;
+import java.util.Date;
+import java.util.Iterator;
+
 @Service
 public class TellerManagementReadPlatformServiceImpl implements TellerManagementReadPlatformService {
 
@@ -482,13 +476,13 @@ public class TellerManagementReadPlatformServiceImpl implements TellerManagement
         while (itr.hasNext()) {
             CashierTransactionTypeTotalsData total = itr.next();
             if (total != null) {
-                if (total.getCashierTxnType() == CashierTxnType.ALLOCATE.getId()) {
+                if (total.getCashierTxnType().equals(CashierTxnType.ALLOCATE.getId())) {
                     allocAmount = total.getCashTotal();
-                } else if (total.getCashierTxnType() == CashierTxnType.SETTLE.getId()) {
+                } else if (total.getCashierTxnType().equals(CashierTxnType.SETTLE.getId())) {
                     settleAmount = total.getCashTotal();
-                } else if (total.getCashierTxnType() == CashierTxnType.INWARD_CASH_TXN.getId()) {
+                } else if (total.getCashierTxnType().equals(CashierTxnType.INWARD_CASH_TXN.getId())) {
                     cashInAmount = total.getCashTotal();
-                } else if (total.getCashierTxnType() == CashierTxnType.OUTWARD_CASH_TXN.getId()) {
+                } else if (total.getCashierTxnType().equals(CashierTxnType.OUTWARD_CASH_TXN.getId())) {
                     cashOutAmount = total.getCashTotal();
                 }
             }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/PortfolioAccountType.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/PortfolioAccountType.java
index 0c6b013..264f16a 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/PortfolioAccountType.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/PortfolioAccountType.java
@@ -30,7 +30,7 @@ public enum PortfolioAccountType {
     private final Integer value;
     private final String code;
 
-    private PortfolioAccountType(final Integer value, final String code) {
+    PortfolioAccountType(final Integer value, final String code) {
         this.value = value;
         this.code = code;
     }
@@ -71,10 +71,10 @@ public enum PortfolioAccountType {
     }
 
     public boolean isSavingsAccount() {
-        return this.value == Integer.valueOf(2);
+        return this.value.equals(2);
     }
 
     public boolean isLoanAccount() {
-        return this.value == Integer.valueOf(1);
+        return this.value.equals(1);
     }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/data/AccountTransferData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/data/AccountTransferData.java
index 26fa23a..e89597e 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/data/AccountTransferData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/data/AccountTransferData.java
@@ -18,20 +18,21 @@
  */
 package org.apache.fineract.portfolio.account.data;
 
-import java.math.BigDecimal;
-import java.util.Collection;
-
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
 import org.apache.fineract.organisation.office.data.OfficeData;
 import org.apache.fineract.portfolio.client.data.ClientData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.Collection;
+
 /**
  * Immutable data object representing a savings account.
  */
 @SuppressWarnings("unused")
-public class AccountTransferData {
+public class AccountTransferData implements Serializable {
 
     private final Long id;
     private final Boolean reversed;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/data/PortfolioAccountData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/data/PortfolioAccountData.java
index ab9f521..08636d3 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/data/PortfolioAccountData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/data/PortfolioAccountData.java
@@ -18,17 +18,18 @@
  */
 package org.apache.fineract.portfolio.account.data;
 
-import java.math.BigDecimal;
-
 import org.apache.commons.lang3.builder.EqualsBuilder;
 import org.apache.commons.lang3.builder.HashCodeBuilder;
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+
 /**
  * Immutable data object representing a savings account.
  */
 @SuppressWarnings("unused")
-public class PortfolioAccountData {
+public class PortfolioAccountData implements Serializable {
 
     private final Long id;
     private final String accountNo;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/domain/AccountTransferStandingInstruction.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/domain/AccountTransferStandingInstruction.java
index 2335789..566b522 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/domain/AccountTransferStandingInstruction.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/account/domain/AccountTransferStandingInstruction.java
@@ -218,13 +218,13 @@ public class AccountTransferStandingInstruction extends AbstractPersistableCusto
             final MonthDay monthDay = command.extractMonthDayNamed(recurrenceOnMonthDayParamName);
             final String actualValueEntered = command.stringValueOfParameterNamed(recurrenceOnMonthDayParamName);
             final Integer dayOfMonthValue = monthDay.getDayOfMonth();
-            if (this.recurrenceOnDay != dayOfMonthValue) {
+            if (!this.recurrenceOnDay.equals(dayOfMonthValue)) {
                 actualChanges.put(recurrenceOnMonthDayParamName, actualValueEntered);
                 this.recurrenceOnDay = dayOfMonthValue;
             }
 
             final Integer monthOfYear = monthDay.getMonthOfYear();
-            if (this.recurrenceOnMonth != monthOfYear) {
+            if (!this.recurrenceOnMonth.equals(monthOfYear)) {
                 actualChanges.put(recurrenceOnMonthDayParamName, actualValueEntered);
                 this.recurrenceOnMonth = monthOfYear;
             }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/accountdetails/data/ShareAccountSummaryData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/accountdetails/data/ShareAccountSummaryData.java
index b4c0351..ef5f49a 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/accountdetails/data/ShareAccountSummaryData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/accountdetails/data/ShareAccountSummaryData.java
@@ -22,8 +22,10 @@ import org.apache.fineract.organisation.monetary.data.CurrencyData;
 import org.apache.fineract.portfolio.shareaccounts.data.ShareAccountApplicationTimelineData;
 import org.apache.fineract.portfolio.shareaccounts.data.ShareAccountStatusEnumData;
 
+import java.io.Serializable;
+
 @SuppressWarnings("unused")
-public class ShareAccountSummaryData {
+public class ShareAccountSummaryData implements Serializable {
 
 	private final Long id;
 	private final String accountNo;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/accounts/constants/ShareAccountApiConstants.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/accounts/constants/ShareAccountApiConstants.java
index 04aeb74..4cdadca 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/accounts/constants/ShareAccountApiConstants.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/accounts/constants/ShareAccountApiConstants.java
@@ -19,17 +19,18 @@
 package org.apache.fineract.portfolio.accounts.constants;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
 public interface ShareAccountApiConstants {
 
-	public static final String amountParamName = "amount";
-	public static final String dateFormatParamName = "dateFormat";
-	public static final String dueAsOfDateParamName = "dueDate";
-	public static final String feeIntervalParamName = "feeInterval";
-	public static final String feeOnMonthDayParamName = "feeOnMonthDay";
-	public static final String localeParamName = "locale";
+	String amountParamName = "amount";
+	String dateFormatParamName = "dateFormat";
+	String dueAsOfDateParamName = "dueDate";
+	String feeIntervalParamName = "feeInterval";
+	String feeOnMonthDayParamName = "feeOnMonthDay";
+	String localeParamName = "locale";
 
 	// Command Strings
 	String APPROVE_COMMAND = "approve";
@@ -91,19 +92,21 @@ public interface ShareAccountApiConstants {
 	
 	String note_paramname = "note" ;
 	
-	public String requesteddate_paramname = "requestedDate" ;
+	String requesteddate_paramname = "requestedDate" ;
 	
-	public String additionalshares_paramname = "additionalshares" ;
+	String additionalshares_paramname = "additionalshares" ;
 	
-	public String closeddate_paramname = "closedDate";
+	String closeddate_paramname = "closedDate";
 
-	public static final String shareEntityType = "share";
+	String shareEntityType = "share";
 	
-	Set<String> supportedParameters = new HashSet<>(Arrays.asList(locale_paramname, dateformat_paramname, id_paramname,clientid_paramname, productid_paramname,
-	        submitteddate_paramname,approveddate_paramname, externalid_paramname, currency_paramname, digitsafterdecimal_paramname,
-	        inmultiplesof_paramname, requestedshares_paramname,savingsaccountid_paramname,lockinperiod_paramname,
-	        lockperiodfrequencytype_paramname,minimumactiveperiod_paramname, minimumactiveperiodfrequencytype_paramname,
-	        allowdividendcalculationforinactiveclients_paramname, charges_paramname, applicationdate_param,
-	        purchaseddate_paramname,numberofshares_paramname,purchasedprice_paramname));
+	Set<String> supportedParameters = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(locale_paramname,
+					dateformat_paramname,  id_paramname,clientid_paramname, productid_paramname,
+					submitteddate_paramname,approveddate_paramname, externalid_paramname, currency_paramname,
+					digitsafterdecimal_paramname, inmultiplesof_paramname, requestedshares_paramname,
+					savingsaccountid_paramname,lockinperiod_paramname, lockperiodfrequencytype_paramname,
+					minimumactiveperiod_paramname, minimumactiveperiodfrequencytype_paramname,
+					allowdividendcalculationforinactiveclients_paramname, charges_paramname, applicationdate_param,
+					purchaseddate_paramname,numberofshares_paramname,purchasedprice_paramname)));
 
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/address/data/AddressData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/address/data/AddressData.java
index d4de82b..9d38022 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/address/data/AddressData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/address/data/AddressData.java
@@ -18,14 +18,15 @@
  */
 package org.apache.fineract.portfolio.address.data;
 
+import org.apache.fineract.infrastructure.codes.data.CodeValueData;
+
+import java.io.Serializable;
 import java.math.BigDecimal;
 import java.util.Collection;
 import java.util.Date;
 
-import org.apache.fineract.infrastructure.codes.data.CodeValueData;
-
 @SuppressWarnings("unused")
-public class AddressData {
+public class AddressData implements Serializable {
 	
 	private final Long client_id;
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/calendar/data/CalendarData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/calendar/data/CalendarData.java
index 12fa064..e7f778d 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/calendar/data/CalendarData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/calendar/data/CalendarData.java
@@ -18,10 +18,6 @@
  */
 package org.apache.fineract.portfolio.calendar.data;
 
-import java.util.Collection;
-import java.util.List;
-
-import org.apache.fineract.infrastructure.bulkimport.constants.TemplatePopulateImportConstants;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.portfolio.calendar.domain.CalendarFrequencyType;
 import org.apache.fineract.portfolio.calendar.domain.CalendarRemindBy;
@@ -33,10 +29,15 @@ import org.apache.fineract.portfolio.common.domain.NthDayType;
 import org.joda.time.LocalDate;
 import org.joda.time.LocalTime;
 
+import java.io.Serializable;
+import java.util.Collection;
+import java.util.List;
+import java.util.Objects;
+
 /**
  * Immutable data object representing a Calendar.
  */
-public class CalendarData {
+public class CalendarData implements Serializable {
 
     private final Long id;
     private final Long calendarInstanceId;
@@ -491,4 +492,59 @@ public class CalendarData {
 	public EnumOptionData getRepeatsOnNthDayOfMonth() {
 		return this.repeatsOnNthDayOfMonth;
 	}
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof CalendarData)) return false;
+        CalendarData that = (CalendarData) o;
+        return Objects.equals(repeating, that.repeating) &&
+                Objects.equals(id, that.id) &&
+                Objects.equals(calendarInstanceId, that.calendarInstanceId) &&
+                Objects.equals(entityId, that.entityId) &&
+                Objects.equals(entityType, that.entityType) &&
+                Objects.equals(title, that.title) &&
+                Objects.equals(description, that.description) &&
+                Objects.equals(location, that.location) &&
+                Objects.equals(startDate, that.startDate) &&
+                Objects.equals(endDate, that.endDate) &&
+                Objects.equals(meetingTime, that.meetingTime) &&
+                Objects.equals(duration, that.duration) &&
+                Objects.equals(type, that.type) &&
+                Objects.equals(recurrence, that.recurrence) &&
+                Objects.equals(frequency, that.frequency) &&
+                Objects.equals(interval, that.interval) &&
+                Objects.equals(repeatsOnDay, that.repeatsOnDay) &&
+                Objects.equals(repeatsOnNthDayOfMonth, that.repeatsOnNthDayOfMonth) &&
+                Objects.equals(remindBy, that.remindBy) &&
+                Objects.equals(firstReminder, that.firstReminder) &&
+                Objects.equals(secondReminder, that.secondReminder) &&
+                Objects.equals(recurringDates, that.recurringDates) &&
+                Objects.equals(nextTenRecurringDates, that.nextTenRecurringDates) &&
+                Objects.equals(humanReadable, that.humanReadable) &&
+                Objects.equals(recentEligibleMeetingDate, that.recentEligibleMeetingDate) &&
+                Objects.equals(createdDate, that.createdDate) &&
+                Objects.equals(lastUpdatedDate, that.lastUpdatedDate) &&
+                Objects.equals(createdByUserId, that.createdByUserId) &&
+                Objects.equals(createdByUsername, that.createdByUsername) &&
+                Objects.equals(lastUpdatedByUserId, that.lastUpdatedByUserId) &&
+                Objects.equals(lastUpdatedByUsername, that.lastUpdatedByUsername) &&
+                Objects.equals(repeatsOnDayOfMonth, that.repeatsOnDayOfMonth) &&
+                Objects.equals(entityTypeOptions, that.entityTypeOptions) &&
+                Objects.equals(calendarTypeOptions, that.calendarTypeOptions) &&
+                Objects.equals(remindByOptions, that.remindByOptions) &&
+                Objects.equals(frequencyOptions, that.frequencyOptions) &&
+                Objects.equals(repeatsOnDayOptions, that.repeatsOnDayOptions) &&
+                Objects.equals(frequencyNthDayTypeOptions, that.frequencyNthDayTypeOptions) &&
+                Objects.equals(rowIndex, that.rowIndex) &&
+                Objects.equals(dateFormat, that.dateFormat) &&
+                Objects.equals(locale, that.locale) &&
+                Objects.equals(centerId, that.centerId) &&
+                Objects.equals(typeId, that.typeId);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, calendarInstanceId, entityId, entityType, title, description, location, startDate, endDate, meetingTime, duration, type, repeating, recurrence, frequency, interval, repeatsOnDay, repeatsOnNthDayOfMonth, remindBy, firstReminder, secondReminder, recurringDates, nextTenRecurringDates, humanReadable, recentEligibleMeetingDate, createdDate, lastUpdatedDate, createdByUserId, createdByUsername, lastUpdatedByUserId, lastUpdatedByUsername, repeatsOnDayOfMonth, enti [...]
+    }
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/calendar/domain/Calendar.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/calendar/domain/Calendar.java
index f2fa718..63ca03b 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/calendar/domain/Calendar.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/calendar/domain/Calendar.java
@@ -427,7 +427,7 @@ public class Calendar extends AbstractAuditableCustom<AppUser, Long> {
             final Integer interval, final Integer repeatsOnDay, final Integer repeatsOnNthDay) {
         final Map<String, Object> actualChanges = new LinkedHashMap<>(9);
 
-        if (calendarStartDate != null & this.startDate != null) {
+        if (calendarStartDate != null && this.startDate != null) {
             if (!calendarStartDate.equals(this.getStartDateLocalDate())) {
                 actualChanges.put("startDate", calendarStartDate);
                 this.startDate = calendarStartDate.toDate();
@@ -609,12 +609,12 @@ public class Calendar extends AbstractAuditableCustom<AppUser, Long> {
             }
         }
         if (frequencyType.isMonthly()) {
-            if (repeatsOnNthDayOfMonth != null && (repeatsOnDay == null || repeatsOnDay == CalendarWeekDaysType.INVALID.getValue())) {
+            if (repeatsOnNthDayOfMonth != null && (repeatsOnDay == null || repeatsOnDay.equals(CalendarWeekDaysType.INVALID.getValue()))) {
                 if (repeatsOnNthDayOfMonth >= -1 && repeatsOnNthDayOfMonth <= 28) {
                     recurrenceBuilder.append(";BYMONTHDAY=");
                     recurrenceBuilder.append(repeatsOnNthDayOfMonth);
                 }
-            } else if (repeatsOnNthDayOfMonth != null && repeatsOnDay != null && repeatsOnDay != CalendarWeekDaysType.INVALID.getValue()) {
+            } else if (repeatsOnNthDayOfMonth != null && repeatsOnDay != null && !repeatsOnDay.equals(CalendarWeekDaysType.INVALID.getValue())) {
                 final NthDayType nthDay = NthDayType.fromInt(repeatsOnNthDayOfMonth);
                 if (!nthDay.isInvalid()) {
                     recurrenceBuilder.append(";BYSETPOS=");
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/charge/domain/Charge.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/charge/domain/Charge.java
index 19c46b3..ff8b538 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/charge/domain/Charge.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/charge/domain/Charge.java
@@ -19,10 +19,7 @@
 package org.apache.fineract.portfolio.charge.domain;
 
 import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -210,24 +207,6 @@ public class Charge extends AbstractPersistableCustom<Long> {
         if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException(dataValidationErrors); }
     }
 
-    @Override
-    public boolean equals(final Object obj) {
-        if (obj == null) { return false; }
-        if (obj == this) { return true; }
-        if (obj.getClass() != getClass()) { return false; }
-        final LoanCharge rhs = (LoanCharge) obj;
-        return new EqualsBuilder().appendSuper(super.equals(obj)) //
-                .append(getId(), rhs.getId()) //
-                .isEquals();
-    }
-
-    @Override
-    public int hashCode() {
-        return new HashCodeBuilder(3, 5) //
-                .append(getId()) //
-                .toHashCode();
-    }
-
     public String getName() {
         return this.name;
     }
@@ -428,14 +407,14 @@ public class Charge extends AbstractPersistableCustom<Long> {
             final MonthDay monthDay = command.extractMonthDayNamed("feeOnMonthDay");
             final String actualValueEntered = command.stringValueOfParameterNamed("feeOnMonthDay");
             final Integer dayOfMonthValue = monthDay.getDayOfMonth();
-            if (this.feeOnDay != dayOfMonthValue) {
+            if (!this.feeOnDay.equals(dayOfMonthValue)) {
                 actualChanges.put("feeOnMonthDay", actualValueEntered);
                 actualChanges.put("locale", localeAsInput);
                 this.feeOnDay = dayOfMonthValue;
             }
 
             final Integer monthOfYear = monthDay.getMonthOfYear();
-            if (this.feeOnMonth != monthOfYear) {
+            if (!this.feeOnMonth.equals(monthOfYear)) {
                 actualChanges.put("feeOnMonthDay", actualValueEntered);
                 actualChanges.put("locale", localeAsInput);
                 this.feeOnMonth = monthOfYear;
@@ -621,4 +600,36 @@ public class Charge extends AbstractPersistableCustom<Long> {
     public void setTaxGroup(TaxGroup taxGroup) {
         this.taxGroup = taxGroup;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof Charge)) return false;
+        Charge charge = (Charge) o;
+        return Objects.equals(name, charge.name) &&
+        		Objects.equals(amount, charge.amount) &&
+        		Objects.equals(currencyCode, charge.currencyCode) &&
+        		Objects.equals(chargeAppliesTo, charge.chargeAppliesTo) &&
+        		Objects.equals(chargeTimeType, charge.chargeTimeType) &&
+        		Objects.equals(chargeCalculation, charge.chargeCalculation) &&
+        		Objects.equals(chargePaymentMode, charge.chargePaymentMode) &&
+        		Objects.equals(feeOnDay, charge.feeOnDay) &&
+        		Objects.equals(feeInterval, charge.feeInterval) &&
+        		Objects.equals(feeOnMonth, charge.feeOnMonth) &&
+        		Objects.equals(penalty, charge.penalty) &&
+        		Objects.equals(active, charge.active) &&
+        		Objects.equals(deleted, charge.deleted) &&
+        		Objects.equals(minCap, charge.minCap) &&
+        		Objects.equals(maxCap, charge.maxCap) &&
+        		Objects.equals(feeFrequency, charge.feeFrequency) &&
+        		Objects.equals(account, charge.account) &&
+        		Objects.equals(taxGroup, charge.taxGroup);
+
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, amount, currencyCode, chargeAppliesTo, chargeTimeType, chargeCalculation, 
+        		chargePaymentMode, feeOnDay, feeInterval, feeOnMonth, penalty, active, deleted, minCap, maxCap, feeFrequency, account, taxGroup);
+    }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/charge/service/ChargeReadPlatformServiceImpl.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/charge/service/ChargeReadPlatformServiceImpl.java
index f3ca619..c53b24c 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/charge/service/ChargeReadPlatformServiceImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/charge/service/ChargeReadPlatformServiceImpl.java
@@ -18,14 +18,6 @@
  */
 package org.apache.fineract.portfolio.charge.service;
 
-import java.math.BigDecimal;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
 import org.apache.fineract.accounting.common.AccountingDropdownReadPlatformService;
 import org.apache.fineract.accounting.glaccount.data.GLAccountData;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
@@ -52,6 +44,14 @@ import org.springframework.jdbc.core.RowMapper;
 import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
 import org.springframework.stereotype.Service;
 
+import java.math.BigDecimal;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 /**
  * @author vishwas
  * 
@@ -225,6 +225,7 @@ public class ChargeReadPlatformServiceImpl implements ChargeReadPlatformService
                 sb.append(excludeChargeTimes[i].getValue());
             }
             excludeClause = excludeClause.append(" and c.charge_time_enum not in(" + sb.toString() + ") ");
+            excludeClause.append(" ");
         }
     }
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientData.java
index 14ab255..7acedf3 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientData.java
@@ -18,9 +18,6 @@
  */
 package org.apache.fineract.portfolio.client.data;
 
-import java.util.Collection;
-import java.util.List;
-
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang.builder.CompareToBuilder;
 import org.apache.commons.lang.builder.EqualsBuilder;
@@ -36,11 +33,15 @@ import org.apache.fineract.portfolio.savings.data.SavingsAccountData;
 import org.apache.fineract.portfolio.savings.data.SavingsProductData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.util.Collection;
+import java.util.List;
+
 /**
  * Immutable data object representing client data.
  */
 @SuppressWarnings("unused")
-final public class ClientData implements Comparable<ClientData> {
+final public class ClientData implements Comparable<ClientData>, Serializable {
 
     private final Long id;
     private final String accountNo;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientFamilyMembersData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientFamilyMembersData.java
index 305ba4b..a5e127f 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientFamilyMembersData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientFamilyMembersData.java
@@ -19,12 +19,13 @@
 
 package org.apache.fineract.portfolio.client.data;
 
-import java.util.Collection;
-
 import org.apache.fineract.infrastructure.codes.data.CodeValueData;
 import org.joda.time.LocalDate;
 
-public class ClientFamilyMembersData {
+import java.io.Serializable;
+import java.util.Collection;
+
+public class ClientFamilyMembersData implements Serializable {
 
 	private final Long id;
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientNonPersonData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientNonPersonData.java
index f81c921..e3b6282 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientNonPersonData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientNonPersonData.java
@@ -18,15 +18,16 @@
  */
 package org.apache.fineract.portfolio.client.data;
 
-import org.apache.fineract.infrastructure.bulkimport.constants.TemplatePopulateImportConstants;
 import org.apache.fineract.infrastructure.codes.data.CodeValueData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+
 /**
  * Immutable data object representing the ClientNonPerson
  */
 @SuppressWarnings("unused")
-public class ClientNonPersonData {
+public class ClientNonPersonData implements Serializable {
 	
 	private final CodeValueData constitution;
 	private final String incorpNumber;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientTimelineData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientTimelineData.java
index 2189ffd..99c3c03 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientTimelineData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/client/data/ClientTimelineData.java
@@ -18,18 +18,16 @@
  */
 package org.apache.fineract.portfolio.client.data;
 
-import org.apache.fineract.organisation.monetary.data.CurrencyData;
-import org.apache.fineract.portfolio.loanaccount.data.RepaymentScheduleRelatedLoanData;
 import org.joda.time.LocalDate;
 
-import java.math.BigDecimal;
+import java.io.Serializable;
 
 /**
  * Immutable data object represent the important time-line events of a loan
  * application and loan.
  */
 @SuppressWarnings("unused")
-public class ClientTimelineData {
+public class ClientTimelineData implements Serializable {
 
     private final LocalDate submittedOnDate;
     private final String submittedByUsername;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/data/FloatingRateData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/data/FloatingRateData.java
index ec64b03..7116a0c 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/data/FloatingRateData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/data/FloatingRateData.java
@@ -18,15 +18,16 @@
  */
 package org.apache.fineract.portfolio.floatingrates.data;
 
-import java.util.List;
-
 import org.apache.commons.lang.builder.CompareToBuilder;
 import org.apache.commons.lang.builder.EqualsBuilder;
 import org.apache.commons.lang.builder.HashCodeBuilder;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.joda.time.LocalDate;
 
-public class FloatingRateData implements Comparable<FloatingRateData> {
+import java.io.Serializable;
+import java.util.List;
+
+public class FloatingRateData implements Comparable<FloatingRateData> , Serializable {
 
 	private final Long id;
 	private final String name;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/data/FloatingRatePeriodData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/data/FloatingRatePeriodData.java
index d7b03b5..a9edce0 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/data/FloatingRatePeriodData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/data/FloatingRatePeriodData.java
@@ -18,15 +18,16 @@
  */
 package org.apache.fineract.portfolio.floatingrates.data;
 
-import java.math.BigDecimal;
-
 import org.apache.commons.lang.builder.CompareToBuilder;
 import org.apache.commons.lang.builder.EqualsBuilder;
 import org.apache.commons.lang.builder.HashCodeBuilder;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+
 public class FloatingRatePeriodData implements
-		Comparable<FloatingRatePeriodData> {
+		Comparable<FloatingRatePeriodData>, Serializable {
 
 	private Long id;
 	private LocalDate fromDate;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/serialization/FloatingRateDataValidator.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/serialization/FloatingRateDataValidator.java
index 74b017d..32faa01 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/serialization/FloatingRateDataValidator.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/floatingrates/serialization/FloatingRateDataValidator.java
@@ -18,16 +18,9 @@
  */
 package org.apache.fineract.portfolio.floatingrates.serialization;
 
-import java.lang.reflect.Type;
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.reflect.TypeToken;
 import org.apache.fineract.infrastructure.core.data.ApiParameterError;
 import org.apache.fineract.infrastructure.core.data.DataValidatorBuilder;
 import org.apache.fineract.infrastructure.core.exception.PlatformApiDataValidationException;
@@ -39,9 +32,9 @@ import org.joda.time.LocalDate;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
-import com.google.gson.JsonArray;
-import com.google.gson.JsonElement;
-import com.google.gson.reflect.TypeToken;
+import java.lang.reflect.Type;
+import java.math.BigDecimal;
+import java.util.*;
 
 @Component
 public class FloatingRateDataValidator {
@@ -258,9 +251,7 @@ public class FloatingRateDataValidator {
 				baseDataValidator.reset().parameter("isBaseLendingRate")
 						.trueOrFalseRequired(false);
 			} else if (isBaseLendingRate) {
-				if (baseLendingRate != null
-						&& baseLendingRate.getId() != floatingRateForUpdate
-								.getId()) {
+				if (baseLendingRate != null && !baseLendingRate.getId().equals(floatingRateForUpdate.getId())) {
 					baseDataValidator
 							.reset()
 							.parameter("isBaseLendingRate")
@@ -289,9 +280,7 @@ public class FloatingRateDataValidator {
 			isActive = floatingRateForUpdate.isActive();
 		}
 		
-		if(baseLendingRate != null
-				&& baseLendingRate.getId() == floatingRateForUpdate
-						.getId()){
+		if(baseLendingRate != null && baseLendingRate.getId().equals(floatingRateForUpdate.getId())){
 			if(!isBaseLendingRate || !isActive){
 				isBLRModifiedAsNonBLR = true;
 			}
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/CenterData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/CenterData.java
index 7369a20..c57dd96 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/CenterData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/CenterData.java
@@ -18,11 +18,6 @@
  */
 package org.apache.fineract.portfolio.group.data;
 
-import java.math.BigDecimal;
-import java.util.Collection;
-import java.util.List;
-
-import org.apache.fineract.infrastructure.bulkimport.constants.TemplatePopulateImportConstants;
 import org.apache.fineract.infrastructure.codes.data.CodeValueData;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.infrastructure.dataqueries.data.DatatableData;
@@ -31,10 +26,16 @@ import org.apache.fineract.organisation.staff.data.StaffData;
 import org.apache.fineract.portfolio.calendar.data.CalendarData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.Collection;
+import java.util.List;
+import java.util.Objects;
+
 /**
  * Immutable data object representing groups.
  */
-public class CenterData {
+public class CenterData implements Serializable {
 
     private final Long id;
     private String accountNo;
@@ -266,4 +267,44 @@ public class CenterData {
     public void setDatatables(final List<DatatableData> datatables) {
         this.datatables = datatables;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof CenterData)) return false;
+        CenterData that = (CenterData) o;
+        return Objects.equals(active, that.active) &&
+                Objects.equals(id, that.id) &&
+                Objects.equals(accountNo, that.accountNo) &&
+                Objects.equals(name, that.name) &&
+                Objects.equals(externalId, that.externalId) &&
+                Objects.equals(officeId, that.officeId) &&
+                Objects.equals(officeName, that.officeName) &&
+                Objects.equals(staffId, that.staffId) &&
+                Objects.equals(staffName, that.staffName) &&
+                Objects.equals(hierarchy, that.hierarchy) &&
+                Objects.equals(status, that.status) &&
+                Objects.equals(activationDate, that.activationDate) &&
+                Objects.equals(timeline, that.timeline) &&
+                Objects.equals(groupMembers, that.groupMembers) &&
+                Objects.equals(groupMembersOptions, that.groupMembersOptions) &&
+                Objects.equals(collectionMeetingCalendar, that.collectionMeetingCalendar) &&
+                Objects.equals(closureReasons, that.closureReasons) &&
+                Objects.equals(officeOptions, that.officeOptions) &&
+                Objects.equals(staffOptions, that.staffOptions) &&
+                Objects.equals(totalCollected, that.totalCollected) &&
+                Objects.equals(totalOverdue, that.totalOverdue) &&
+                Objects.equals(totaldue, that.totaldue) &&
+                Objects.equals(installmentDue, that.installmentDue) &&
+                Objects.equals(datatables, that.datatables) &&
+                Objects.equals(rowIndex, that.rowIndex) &&
+                Objects.equals(dateFormat, that.dateFormat) &&
+                Objects.equals(locale, that.locale) &&
+                Objects.equals(submittedOnDate, that.submittedOnDate);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, accountNo, name, externalId, officeId, officeName, staffId, staffName, hierarchy, status, active, activationDate, timeline, groupMembers, groupMembersOptions, collectionMeetingCalendar, closureReasons, officeOptions, staffOptions, totalCollected, totalOverdue, totaldue, installmentDue, datatables, rowIndex, dateFormat, locale, submittedOnDate);
+    }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupGeneralData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupGeneralData.java
index 5781bb8..6d5c4e3 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupGeneralData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupGeneralData.java
@@ -18,10 +18,6 @@
  */
 package org.apache.fineract.portfolio.group.data;
 
-import java.util.Collection;
-import java.util.List;
-
-import org.apache.fineract.infrastructure.bulkimport.constants.TemplatePopulateImportConstants;
 import org.apache.fineract.infrastructure.codes.data.CodeValueData;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.infrastructure.dataqueries.data.DatatableData;
@@ -31,11 +27,16 @@ import org.apache.fineract.portfolio.calendar.data.CalendarData;
 import org.apache.fineract.portfolio.client.data.ClientData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.util.Collection;
+import java.util.List;
+import java.util.Objects;
+
 /**
  * Immutable data object representing a general group (so may or may not have a
  * parent).
  */
-public class GroupGeneralData {
+public class GroupGeneralData implements Serializable {
 
     private final Long id;
     private final String accountNo;
@@ -363,4 +364,49 @@ public class GroupGeneralData {
     public void setDatatables(final List<DatatableData> datatables) {
             this.datatables = datatables;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof GroupGeneralData)) return false;
+        GroupGeneralData that = (GroupGeneralData) o;
+        return Objects.equals(id, that.id) &&
+                Objects.equals(accountNo, that.accountNo) &&
+                Objects.equals(name, that.name) &&
+                Objects.equals(externalId, that.externalId) &&
+                Objects.equals(status, that.status) &&
+                Objects.equals(active, that.active) &&
+                Objects.equals(activationDate, that.activationDate) &&
+                Objects.equals(officeId, that.officeId) &&
+                Objects.equals(officeName, that.officeName) &&
+                Objects.equals(centerId, that.centerId) &&
+                Objects.equals(centerName, that.centerName) &&
+                Objects.equals(staffId, that.staffId) &&
+                Objects.equals(staffName, that.staffName) &&
+                Objects.equals(hierarchy, that.hierarchy) &&
+                Objects.equals(groupLevel, that.groupLevel) &&
+                Objects.equals(clientMembers, that.clientMembers) &&
+                Objects.equals(activeClientMembers, that.activeClientMembers) &&
+                Objects.equals(groupRoles, that.groupRoles) &&
+                Objects.equals(calendarsData, that.calendarsData) &&
+                Objects.equals(collectionMeetingCalendar, that.collectionMeetingCalendar) &&
+                Objects.equals(centerOptions, that.centerOptions) &&
+                Objects.equals(officeOptions, that.officeOptions) &&
+                Objects.equals(staffOptions, that.staffOptions) &&
+                Objects.equals(clientOptions, that.clientOptions) &&
+                Objects.equals(availableRoles, that.availableRoles) &&
+                Objects.equals(selectedRole, that.selectedRole) &&
+                Objects.equals(closureReasons, that.closureReasons) &&
+                Objects.equals(timeline, that.timeline) &&
+                Objects.equals(datatables, that.datatables) &&
+                Objects.equals(rowIndex, that.rowIndex) &&
+                Objects.equals(dateFormat, that.dateFormat) &&
+                Objects.equals(locale, that.locale) &&
+                Objects.equals(submittedOnDate, that.submittedOnDate);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, accountNo, name, externalId, status, active, activationDate, officeId, officeName, centerId, centerName, staffId, staffName, hierarchy, groupLevel, clientMembers, activeClientMembers, groupRoles, calendarsData, collectionMeetingCalendar, centerOptions, officeOptions, staffOptions, clientOptions, availableRoles, selectedRole, closureReasons, timeline, datatables, rowIndex, dateFormat, locale, submittedOnDate);
+    }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupRoleData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupRoleData.java
index 337924c..b3be59f 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupRoleData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupRoleData.java
@@ -20,7 +20,10 @@ package org.apache.fineract.portfolio.group.data;
 
 import org.apache.fineract.infrastructure.codes.data.CodeValueData;
 
-public class GroupRoleData {
+import java.io.Serializable;
+import java.util.Objects;
+
+public class GroupRoleData implements Serializable {
 
     @SuppressWarnings("unused")
     private final Long id;
@@ -42,4 +45,19 @@ public class GroupRoleData {
         this.clientName = clientName;
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof GroupRoleData)) return false;
+        GroupRoleData that = (GroupRoleData) o;
+        return Objects.equals(id, that.id) &&
+                Objects.equals(role, that.role) &&
+                Objects.equals(clientId, that.clientId) &&
+                Objects.equals(clientName, that.clientName);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, role, clientId, clientName);
+    }
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupSummary.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupSummary.java
index cff323d..71a8746 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupSummary.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupSummary.java
@@ -18,10 +18,10 @@
  */
 package org.apache.fineract.portfolio.group.data;
 
-import java.util.Collection;
-
 import org.apache.fineract.organisation.monetary.data.MoneyData;
 
+import java.util.Collection;
+
 public class GroupSummary {
 
     private final Long totalActiveClients;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupTimelineData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupTimelineData.java
index 8abde9c..2726d86 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupTimelineData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/data/GroupTimelineData.java
@@ -20,13 +20,16 @@ package org.apache.fineract.portfolio.group.data;
 
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.util.Objects;
+
 /**
  * Immutable data object represent the important time-line events of a
  * group/center.
  * 
  */
 @SuppressWarnings("unused")
-public class GroupTimelineData {
+public class GroupTimelineData implements Serializable {
 
     private final LocalDate submittedOnDate;
     private final String submittedByUsername;
@@ -64,4 +67,27 @@ public class GroupTimelineData {
 
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof GroupTimelineData)) return false;
+        GroupTimelineData that = (GroupTimelineData) o;
+        return Objects.equals(submittedOnDate, that.submittedOnDate) &&
+                Objects.equals(submittedByUsername, that.submittedByUsername) &&
+                Objects.equals(submittedByFirstname, that.submittedByFirstname) &&
+                Objects.equals(submittedByLastname, that.submittedByLastname) &&
+                Objects.equals(activatedOnDate, that.activatedOnDate) &&
+                Objects.equals(activatedByUsername, that.activatedByUsername) &&
+                Objects.equals(activatedByFirstname, that.activatedByFirstname) &&
+                Objects.equals(activatedByLastname, that.activatedByLastname) &&
+                Objects.equals(closedOnDate, that.closedOnDate) &&
+                Objects.equals(closedByUsername, that.closedByUsername) &&
+                Objects.equals(closedByFirstname, that.closedByFirstname) &&
+                Objects.equals(closedByLastname, that.closedByLastname);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(submittedOnDate, submittedByUsername, submittedByFirstname, submittedByLastname, activatedOnDate, activatedByUsername, activatedByFirstname, activatedByLastname, closedOnDate, closedByUsername, closedByFirstname, closedByLastname);
+    }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupRepositoryWrapper.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupRepositoryWrapper.java
index d74369e..d259891 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupRepositoryWrapper.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupRepositoryWrapper.java
@@ -18,14 +18,14 @@
  */
 package org.apache.fineract.portfolio.group.domain;
 
-import java.util.Date;
-
 import org.apache.fineract.organisation.office.domain.Office;
 import org.apache.fineract.portfolio.group.exception.GroupNotFoundException;
 import org.joda.time.LocalDate;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.Date;
+
 /**
  * <p>
  * Wrapper for {@link GroupRepository} that adds NULL checking and Error
@@ -49,7 +49,7 @@ public class GroupRepositoryWrapper {
 
     public Group findByOfficeWithNotFoundDetection(final Long id, final Office office) {
         final Group group = findOneWithNotFoundDetection(id);
-        if (group.getOffice().getId() != office.getId()) { throw new GroupNotFoundException(id); }
+        if (!group.getOffice().getId().equals(office.getId())) { throw new GroupNotFoundException(id); }
         return group;
     }
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupTypes.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupTypes.java
index 28ed8cb..20331f0 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupTypes.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupTypes.java
@@ -58,7 +58,7 @@ public enum GroupTypes {
     }
 
     public static GroupTypes fromInt(final int i) {
-        final GroupTypes type = intToEnumMap.get(Integer.valueOf(i));
+        final GroupTypes type = intToEnumMap.get(Integer.toUnsignedLong(i));
         return type;
     }
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupingTypeStatus.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupingTypeStatus.java
index 2d9ab4d..a50142e 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupingTypeStatus.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/group/domain/GroupingTypeStatus.java
@@ -43,6 +43,12 @@ public enum GroupingTypeStatus {
             case 300:
                 enumeration = GroupingTypeStatus.ACTIVE;
             break;
+            case 303:
+                enumeration = GroupingTypeStatus.TRANSFER_IN_PROGRESS;
+            break;
+            case 304:
+                enumeration = GroupingTypeStatus.TRANSFER_ON_HOLD;
+            break;
             case 600:
                 enumeration = GroupingTypeStatus.CLOSED;
             break;
@@ -50,7 +56,7 @@ public enum GroupingTypeStatus {
         return enumeration;
     }
 
-    private GroupingTypeStatus(final Integer value, final String code) {
+    GroupingTypeStatus(final Integer value, final String code) {
         this.value = value;
         this.code = code;
     }
@@ -80,11 +86,11 @@ public enum GroupingTypeStatus {
     }
 
     public boolean isTransferInProgress() {
-        return isTransferInProgress();
+        return this.value.equals(GroupingTypeStatus.TRANSFER_IN_PROGRESS.getValue());
     }
 
     public boolean isTransferOnHold() {
-        return isTransferOnHold();
+        return this.value.equals(GroupingTypeStatus.TRANSFER_ON_HOLD.getValue());
     }
 
     public boolean isUnderTransfer() {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/data/LoanTransactionData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/data/LoanTransactionData.java
index 7b65017..d3c68ad 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/data/LoanTransactionData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/data/LoanTransactionData.java
@@ -319,7 +319,7 @@ public class LoanTransactionData {
     }
 
     public boolean isNotDisbursement() {
-        return Integer.valueOf(1).equals(this.type.id());
+    	return type.id() == 1;
     }
 
     
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/Loan.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/Loan.java
index c7b6cc3..a8e386e 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/Loan.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/Loan.java
@@ -18,40 +18,12 @@
  */
 package org.apache.fineract.portfolio.loanaccount.domain;
 
-import java.math.BigDecimal;
-import java.math.MathContext;
-import java.math.RoundingMode;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.ListIterator;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Set;
-
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.Embedded;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToOne;
-import javax.persistence.OneToMany;
-import javax.persistence.OneToOne;
-import javax.persistence.OrderBy;
-import javax.persistence.Table;
-import javax.persistence.Temporal;
-import javax.persistence.TemporalType;
-import javax.persistence.Transient;
-import javax.persistence.UniqueConstraint;
-import javax.persistence.Version;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonPrimitive;
+
+import net.sf.ehcache.util.FindBugsSuppressWarnings;
 
 import org.apache.commons.lang.ObjectUtils;
 import org.apache.commons.lang.StringUtils;
@@ -102,34 +74,10 @@ import org.apache.fineract.portfolio.loanaccount.data.HolidayDetailDTO;
 import org.apache.fineract.portfolio.loanaccount.data.LoanTermVariationsData;
 import org.apache.fineract.portfolio.loanaccount.data.ScheduleGeneratorDTO;
 import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.LoanRepaymentScheduleTransactionProcessor;
-import org.apache.fineract.portfolio.loanaccount.exception.ExceedingTrancheCountException;
-import org.apache.fineract.portfolio.loanaccount.exception.InvalidLoanStateTransitionException;
-import org.apache.fineract.portfolio.loanaccount.exception.InvalidLoanTransactionTypeException;
-import org.apache.fineract.portfolio.loanaccount.exception.InvalidRefundDateException;
-import org.apache.fineract.portfolio.loanaccount.exception.LoanApplicationDateException;
-import org.apache.fineract.portfolio.loanaccount.exception.LoanDisbursalException;
-import org.apache.fineract.portfolio.loanaccount.exception.LoanForeclosureException;
-import org.apache.fineract.portfolio.loanaccount.exception.LoanOfficerAssignmentDateException;
-import org.apache.fineract.portfolio.loanaccount.exception.LoanOfficerAssignmentException;
-import org.apache.fineract.portfolio.loanaccount.exception.LoanOfficerUnassignmentDateException;
-import org.apache.fineract.portfolio.loanaccount.exception.MultiDisbursementDataRequiredException;
-import org.apache.fineract.portfolio.loanaccount.exception.UndoLastTrancheDisbursementException;
+import org.apache.fineract.portfolio.loanaccount.exception.*;
 import org.apache.fineract.portfolio.loanaccount.loanschedule.data.LoanScheduleDTO;
-import org.apache.fineract.portfolio.loanaccount.loanschedule.data.LoanScheduleParams;
-import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.AprCalculator;
-import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanApplicationTerms;
-import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleGenerator;
-import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleModel;
-import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleModelPeriod;
-import org.apache.fineract.portfolio.loanproduct.domain.AmortizationMethod;
-import org.apache.fineract.portfolio.loanproduct.domain.InterestCalculationPeriodMethod;
-import org.apache.fineract.portfolio.loanproduct.domain.InterestMethod;
-import org.apache.fineract.portfolio.loanproduct.domain.InterestRecalculationCompoundingMethod;
-import org.apache.fineract.portfolio.loanproduct.domain.LoanProduct;
-import org.apache.fineract.portfolio.loanproduct.domain.LoanProductRelatedDetail;
-import org.apache.fineract.portfolio.loanproduct.domain.LoanRescheduleStrategyMethod;
-import org.apache.fineract.portfolio.loanproduct.domain.LoanTransactionProcessingStrategy;
-import org.apache.fineract.portfolio.loanproduct.domain.RecalculationFrequencyType;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.*;
+import org.apache.fineract.portfolio.loanproduct.domain.*;
 import org.apache.fineract.portfolio.loanproduct.service.LoanEnumerations;
 import org.apache.fineract.portfolio.paymentdetail.domain.PaymentDetail;
 import org.apache.fineract.useradministration.domain.AppUser;
@@ -140,10 +88,11 @@ import org.joda.time.format.DateTimeFormat;
 import org.joda.time.format.DateTimeFormatter;
 import org.springframework.stereotype.Component;
 
-import com.google.gson.JsonArray;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonPrimitive;
+import javax.persistence.*;
+import java.math.BigDecimal;
+import java.math.MathContext;
+import java.math.RoundingMode;
+import java.util.*;
 
 @Entity
 @Component
@@ -785,6 +734,9 @@ public class Loan extends AbstractPersistableCustom<Long> {
         updateLoanSummaryDerivedFields();
     }
 
+    // TODO Fix this correctly...
+    // See this review: https://github.com/apache/fineract/pull/670/files/0409af3903d350afe43ef4837e4d915ccbe14285#r357920211
+    @FindBugsSuppressWarnings("GC_UNRELATED_TYPES")
     private void removeOrModifyTransactionAssociatedWithLoanChargeIfDueAtDisbursement(final LoanCharge loanCharge) {
         if (loanCharge.isDueAtDisbursement()) {
             LoanTransaction transactionToRemove = null;
@@ -792,19 +744,18 @@ public class Loan extends AbstractPersistableCustom<Long> {
             for (final LoanTransaction transaction : transactions) {
                 if (transaction.isRepaymentAtDisbursement() && transaction.getLoanChargesPaid().contains(loanCharge)) {
 
-                    final MonetaryCurrency currency = loanCurrency();
-                    final Money chargeAmount = Money.of(currency, loanCharge.amount());
-                    if (transaction.isGreaterThan(chargeAmount)) {
-                        final Money principalPortion = Money.zero(currency);
-                        final Money interestPortion = Money.zero(currency);
-                        final Money penaltychargesPortion = Money.zero(currency);
-
-                        final Money feeChargesPortion = chargeAmount;
-                        transaction.updateComponentsAndTotal(principalPortion, interestPortion, feeChargesPortion, penaltychargesPortion);
-                    } else {
-                        transactionToRemove = transaction;
+                        final MonetaryCurrency currency = loanCurrency();
+                        final Money chargeAmount = Money.of(currency, loanCharge.amount());
+                        if (transaction.isGreaterThan(chargeAmount)) {
+                            final Money principalPortion = Money.zero(currency);
+                            final Money interestPortion = Money.zero(currency);
+                            final Money penaltychargesPortion = Money.zero(currency);
+
+                            transaction.updateComponentsAndTotal(principalPortion, interestPortion, chargeAmount, penaltychargesPortion);
+                        } else {
+                            transactionToRemove = transaction;
+                        }
                     }
-                }
             }
 
             if (transactionToRemove != null) {
@@ -2687,10 +2638,10 @@ public class Loan extends AbstractPersistableCustom<Long> {
         final Integer installmentNumber = null;
         for (final LoanCharge charge : charges()) {
             Date actualDisbursementDate = getActualDisbursementDate(charge);
-            if ((charge.getCharge().getChargeTimeType() == ChargeTimeType.DISBURSEMENT.getValue()
+            if ((charge.getCharge().getChargeTimeType().equals(ChargeTimeType.DISBURSEMENT.getValue())
                     && disbursedOn.equals(new LocalDate(actualDisbursementDate)) && actualDisbursementDate != null && !charge.isWaived() && !charge
                         .isFullyPaid())
-                    || (charge.getCharge().getChargeTimeType() == ChargeTimeType.TRANCHE_DISBURSEMENT.getValue()
+                    || (charge.getCharge().getChargeTimeType().equals(ChargeTimeType.TRANCHE_DISBURSEMENT.getValue())
                             && disbursedOn.equals(new LocalDate(actualDisbursementDate)) && actualDisbursementDate != null
                             && !charge.isWaived() && !charge.isFullyPaid())) {
                 if (totalFeeChargesDueAtDisbursement.isGreaterThanZero() && !charge.getChargePaymentMode().isPaymentModeAccountTransfer()) {
@@ -2768,6 +2719,8 @@ public class Loan extends AbstractPersistableCustom<Long> {
         return chargesPayment;
     }
 
+    // TODO FIX THIS
+    @FindBugsSuppressWarnings("EC_UNRELATED_TYPES")   // see this review: https://github.com/apache/fineract/pull/670/files/0409af3903d350afe43ef4837e4d915ccbe14285#r357920364
     public Map<String, Object> undoDisbursal(final ScheduleGeneratorDTO scheduleGeneratorDTO, final List<Long> existingTransactionIds,
             final List<Long> existingReversedTransactionIds, AppUser currentUser) {
 
@@ -2787,7 +2740,8 @@ public class Loan extends AbstractPersistableCustom<Long> {
             final boolean isScheduleRegenerateRequired = isRepaymentScheduleRegenerationRequiredForDisbursement(actualDisbursementDate);
             this.actualDisbursementDate = null;
             this.disbursedBy = null;
-            boolean isDisbursedAmountChanged = !this.approvedPrincipal.equals(this.loanRepaymentScheduleDetail.getPrincipal());
+            boolean isDisbursedAmountChanged =
+                    !this.approvedPrincipal.equals(this.loanRepaymentScheduleDetail.getPrincipal());
             this.loanRepaymentScheduleDetail.setPrincipal(this.approvedPrincipal);
             if (this.loanProduct.isMultiDisburseLoan()) {
                 for (final LoanDisbursementDetails details : this.disbursementDetails) {
@@ -6092,7 +6046,7 @@ public class Loan extends AbstractPersistableCustom<Long> {
 
     public BigDecimal getDerivedAmountForCharge(final LoanCharge loanCharge) {
         BigDecimal amount = BigDecimal.ZERO;
-        if (isMultiDisburmentLoan() && (loanCharge.getCharge().getChargeTimeType() == ChargeTimeType.DISBURSEMENT.getValue())) {
+        if (isMultiDisburmentLoan() && (loanCharge.getCharge().getChargeTimeType().equals(ChargeTimeType.DISBURSEMENT.getValue()))) {
             amount = getApprovedPrincipal();
         } else {
             // If charge type is specified due date and loan is multi disburment
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/LoanDisbursementDetails.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/LoanDisbursementDetails.java
index d19b60f..d18bff0 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/LoanDisbursementDetails.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/LoanDisbursementDetails.java
@@ -20,6 +20,7 @@ package org.apache.fineract.portfolio.loanaccount.domain;
 
 import java.math.BigDecimal;
 import java.util.Date;
+import java.util.Objects;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -75,6 +76,11 @@ public class LoanDisbursementDetails extends AbstractPersistableCustom<Long> {
         return false;
     }
 
+    @Override
+    public int hashCode() {
+        return Objects.hash(expectedDisbursementDate, principal);
+    }
+
     public void copy(final LoanDisbursementDetails disbursementDetails) {
         this.principal = disbursementDetails.principal;
         this.expectedDisbursementDate = disbursementDetails.expectedDisbursementDate;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/GuarantorConstants.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/GuarantorConstants.java
index 886bf71..067b34e 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/GuarantorConstants.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/GuarantorConstants.java
@@ -28,7 +28,7 @@ public class GuarantorConstants {
     /***
      * Enum of all parameters passed in while creating/updating a loan product
      ***/
-    public static enum GUARANTOR_JSON_INPUT_PARAMS {
+    public enum GUARANTOR_JSON_INPUT_PARAMS {
         LOAN_ID("loanId"), CLIENT_RELATIONSHIP_TYPE_ID("clientRelationshipTypeId"), GUARANTOR_TYPE_ID("guarantorTypeId"), ENTITY_ID(
                 "entityId"), FIRSTNAME("firstname"), LASTNAME("lastname"), ADDRESS_LINE_1("addressLine1"), ADDRESS_LINE_2("addressLine2"), CITY(
                 "city"), STATE("state"), ZIP("zip"), COUNTRY("country"), MOBILE_NUMBER("mobileNumber"), PHONE_NUMBER("housePhoneNumber"), COMMENT(
@@ -36,7 +36,7 @@ public class GuarantorConstants {
 
         private final String value;
 
-        private GUARANTOR_JSON_INPUT_PARAMS(final String value) {
+        GUARANTOR_JSON_INPUT_PARAMS(final String value) {
             this.value = value;
         }
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/domain/Guarantor.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/domain/Guarantor.java
index 730f60a..a98a9da 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/domain/Guarantor.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/domain/Guarantor.java
@@ -18,29 +18,15 @@
  */
 package org.apache.fineract.portfolio.loanaccount.guarantor.domain;
 
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToOne;
-import javax.persistence.OneToMany;
-import javax.persistence.Table;
-import javax.persistence.Temporal;
-import javax.persistence.TemporalType;
-
 import org.apache.commons.lang.StringUtils;
 import org.apache.fineract.infrastructure.codes.domain.CodeValue;
 import org.apache.fineract.infrastructure.core.api.JsonCommand;
+import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
 import org.apache.fineract.portfolio.loanaccount.domain.Loan;
 import org.apache.fineract.portfolio.loanaccount.guarantor.GuarantorConstants.GUARANTOR_JSON_INPUT_PARAMS;
-import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
+
+import javax.persistence.*;
+import java.util.*;
 
 @Entity
 @Table(name = "m_guarantor")
@@ -208,7 +194,7 @@ public class Guarantor extends AbstractPersistableCustom<Long> {
                 newValue = command.integerValueOfParameterNamed(paramName);
             }
             actualChanges.put(paramName, newValue);
-            propertyToBeUpdated = newValue;
+            //propertyToBeUpdated = newValue;
 
             // now update actual property
             if (paramName.equals(GUARANTOR_JSON_INPUT_PARAMS.GUARANTOR_TYPE_ID.getValue())) {
@@ -222,7 +208,7 @@ public class Guarantor extends AbstractPersistableCustom<Long> {
         if (command.isChangeInStringParameterNamed(paramName, propertyToBeUpdated)) {
             final String newValue = command.stringValueOfParameterNamed(paramName);
             actualChanges.put(paramName, newValue);
-            propertyToBeUpdated = newValue;
+            //propertyToBeUpdated = newValue;
 
             // now update actual property
             if (paramName.equals(GUARANTOR_JSON_INPUT_PARAMS.FIRSTNAME.getValue())) {
@@ -256,7 +242,7 @@ public class Guarantor extends AbstractPersistableCustom<Long> {
         if (command.isChangeInDateParameterNamed(paramName, propertyToBeUpdated)) {
             final Date newValue = command.DateValueOfParameterNamed(paramName);
             actualChanges.put(paramName, newValue);
-            propertyToBeUpdated = newValue;
+            //propertyToBeUpdated = newValue;
 
             // now update actual property
             if (paramName.equals(GUARANTOR_JSON_INPUT_PARAMS.DATE_OF_BIRTH.getValue())) {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/service/GuarantorWritePlatformServiceJpaRepositoryIImpl.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/service/GuarantorWritePlatformServiceJpaRepositoryIImpl.java
index fd6a634..5bc70a3 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/service/GuarantorWritePlatformServiceJpaRepositoryIImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/guarantor/service/GuarantorWritePlatformServiceJpaRepositoryIImpl.java
@@ -18,11 +18,6 @@
  */
 package org.apache.fineract.portfolio.loanaccount.guarantor.service;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-
 import org.apache.fineract.infrastructure.codes.domain.CodeValue;
 import org.apache.fineract.infrastructure.codes.domain.CodeValueRepositoryWrapper;
 import org.apache.fineract.infrastructure.core.api.JsonCommand;
@@ -43,11 +38,7 @@ import org.apache.fineract.portfolio.loanaccount.domain.LoanRepositoryWrapper;
 import org.apache.fineract.portfolio.loanaccount.guarantor.GuarantorConstants;
 import org.apache.fineract.portfolio.loanaccount.guarantor.GuarantorConstants.GUARANTOR_JSON_INPUT_PARAMS;
 import org.apache.fineract.portfolio.loanaccount.guarantor.command.GuarantorCommand;
-import org.apache.fineract.portfolio.loanaccount.guarantor.domain.Guarantor;
-import org.apache.fineract.portfolio.loanaccount.guarantor.domain.GuarantorFundStatusType;
-import org.apache.fineract.portfolio.loanaccount.guarantor.domain.GuarantorFundingDetails;
-import org.apache.fineract.portfolio.loanaccount.guarantor.domain.GuarantorRepository;
-import org.apache.fineract.portfolio.loanaccount.guarantor.domain.GuarantorType;
+import org.apache.fineract.portfolio.loanaccount.guarantor.domain.*;
 import org.apache.fineract.portfolio.loanaccount.guarantor.exception.DuplicateGuarantorException;
 import org.apache.fineract.portfolio.loanaccount.guarantor.exception.GuarantorNotFoundException;
 import org.apache.fineract.portfolio.loanaccount.guarantor.exception.InvalidGuarantorException;
@@ -62,6 +53,11 @@ import org.springframework.dao.DataIntegrityViolationException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
 @Service
 public class GuarantorWritePlatformServiceJpaRepositoryIImpl implements GuarantorWritePlatformService {
 
@@ -229,8 +225,8 @@ public class GuarantorWritePlatformServiceJpaRepositoryIImpl implements Guaranto
                 }
             }
 
-            if (changesOnly.containsKey(GUARANTOR_JSON_INPUT_PARAMS.ENTITY_ID)
-                    || changesOnly.containsKey(GUARANTOR_JSON_INPUT_PARAMS.GUARANTOR_TYPE_ID)) {
+            if (changesOnly.containsKey(GUARANTOR_JSON_INPUT_PARAMS.ENTITY_ID.getValue())
+                    || changesOnly.containsKey(GUARANTOR_JSON_INPUT_PARAMS.GUARANTOR_TYPE_ID.getValue())) {
                 validateGuarantorBusinessRules(guarantorForUpdate);
             }
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/service/LoanScheduleAssembler.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/service/LoanScheduleAssembler.java
index 72b195c..8b6edd1 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/service/LoanScheduleAssembler.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/service/LoanScheduleAssembler.java
@@ -259,7 +259,7 @@ public class LoanScheduleAssembler {
             validateRepaymentFrequencyIsSameAsMeetingFrequency(meetingPeriodFrequency.getValue(), repaymentFrequencyType,
                     CalendarUtils.getInterval(calendar.getRecurrence()), repaymentEvery);
         } else {
-            if (repaymentPeriodFrequencyType == PeriodFrequencyType.MONTHS && nthDay != null && nthDay != NthDayType.INVALID.getValue()) {
+            if (repaymentPeriodFrequencyType == PeriodFrequencyType.MONTHS && nthDay != null && !nthDay.equals(NthDayType.INVALID.getValue())) {
                 LocalDate calendarStartDate = repaymentsStartingFromDate;
                 if (calendarStartDate == null) calendarStartDate = expectedDisbursementDate;
                 calendar = createLoanCalendar(calendarStartDate, repaymentEvery, CalendarFrequencyType.MONTHLY, dayOfWeek, nthDay);
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/rescheduleloan/RescheduleLoansApiConstants.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/rescheduleloan/RescheduleLoansApiConstants.java
index 516d66a..3e5f424 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/rescheduleloan/RescheduleLoansApiConstants.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/rescheduleloan/RescheduleLoansApiConstants.java
@@ -19,6 +19,7 @@
 package org.apache.fineract.portfolio.loanaccount.rescheduleloan;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -58,8 +59,11 @@ public class RescheduleLoansApiConstants {
     // approve action request parameters
     public static final String approvedOnDateParam = "approvedOnDate";
 
-    public static final Set<String> APPROVE_REQUEST_DATA_PARAMETERS = new HashSet<>(Arrays.asList(localeParamName, dateFormatParamName,
-            approvedOnDateParam));
+    public static final Set<String> APPROVE_REQUEST_DATA_PARAMETERS =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(localeParamName, dateFormatParamName,
+            approvedOnDateParam)));
     
-    public static final Set<String> commandParams = new HashSet<>(Arrays.asList(allCommandParamName, approveCommandParamName, pendingCommandParamName, rejectCommandParamName));
+    public static final Set<String> commandParams =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(allCommandParamName, approveCommandParamName,
+                    pendingCommandParamName, rejectCommandParamName)));
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/serialization/LoanApplicationCommandFromApiJsonHelper.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/serialization/LoanApplicationCommandFromApiJsonHelper.java
index 466ec01..3366dde 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/serialization/LoanApplicationCommandFromApiJsonHelper.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/serialization/LoanApplicationCommandFromApiJsonHelper.java
@@ -1050,7 +1050,7 @@ public final class LoanApplicationCommandFromApiJsonHelper {
                     "Linked Savings account with id:" + savingsAccount.getId() + " is not in active state", "linkAccountId",
                     savingsAccount.getId());
             dataValidationErrors.add(error);
-        } else if (loanApplication.getClientId() != savingsAccount.clientId()) {
+        } else if (!loanApplication.getClientId().equals(savingsAccount.clientId())) {
             final ApiParameterError error = ApiParameterError.parameterError(
                     "validation.msg.loan.linked.savings.account.not.belongs.to.same.client", "Linked Savings account with id:"
                             + savingsAccount.getId() + " is not belongs to the same client", "linkAccountId", savingsAccount.getId());
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanChargeAssembler.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanChargeAssembler.java
index 07d7457..d89314c 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanChargeAssembler.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanChargeAssembler.java
@@ -18,19 +18,11 @@
  */
 package org.apache.fineract.portfolio.loanaccount.service;
 
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Locale;
-import java.util.Set;
-
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
 import org.apache.fineract.infrastructure.core.serialization.FromJsonHelper;
-import org.apache.fineract.portfolio.charge.domain.Charge;
-import org.apache.fineract.portfolio.charge.domain.ChargeCalculationType;
-import org.apache.fineract.portfolio.charge.domain.ChargePaymentMode;
-import org.apache.fineract.portfolio.charge.domain.ChargeRepositoryWrapper;
-import org.apache.fineract.portfolio.charge.domain.ChargeTimeType;
+import org.apache.fineract.portfolio.charge.domain.*;
 import org.apache.fineract.portfolio.charge.exception.LoanChargeCannotBeAddedException;
 import org.apache.fineract.portfolio.loanaccount.api.LoanApiConstants;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanCharge;
@@ -44,9 +36,8 @@ import org.joda.time.LocalDate;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import com.google.gson.JsonArray;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
+import java.math.BigDecimal;
+import java.util.*;
 
 @Service
 public class LoanChargeAssembler {
@@ -231,7 +222,7 @@ public class LoanChargeAssembler {
                     final Long chargeId = this.fromApiJsonHelper.extractLongNamed("chargeId", loanChargeElement);
                     if (id == null) {
                         final Charge chargeDefinition = this.chargeRepository.findOneWithNotFoundDetection(chargeId);
-                        if (chargeDefinition.getChargeTimeType() == ChargeTimeType.TRANCHE_DISBURSEMENT.getValue()) {
+                        if (chargeDefinition.getChargeTimeType().equals(ChargeTimeType.TRANCHE_DISBURSEMENT.getValue())) {
                             associatedChargesForLoan.add(chargeDefinition);
                         }
                     }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanSchedularServiceImpl.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanSchedularServiceImpl.java
index 59196cd..cdd1d21 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanSchedularServiceImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanSchedularServiceImpl.java
@@ -18,9 +18,6 @@
  */
 package org.apache.fineract.portfolio.loanaccount.service;
 
-import java.util.*;
-import java.util.concurrent.*;
-
 import org.apache.fineract.infrastructure.configuration.domain.ConfigurationDomainService;
 import org.apache.fineract.infrastructure.core.data.ApiParameterError;
 import org.apache.fineract.infrastructure.core.exception.AbstractPlatformDomainRuleException;
@@ -42,6 +39,9 @@ import org.springframework.orm.ObjectOptimisticLockingFailureException;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
+import java.util.*;
+import java.util.concurrent.*;
+
 @Service
 public class LoanSchedularServiceImpl implements LoanSchedularService {
 
@@ -240,14 +240,15 @@ public class LoanSchedularServiceImpl implements LoanSchedularService {
 
 	private void recalculateInterest(List<Long> loanIds,
 									 int threadPoolSize, int batchSize, final ExecutorService executorService) {
-		StringBuilder sb = new StringBuilder();
+		//StringBuilder sb = new StringBuilder();
 
 		List<Callable<Object>> posters = new ArrayList<Callable<Object>>();
 		int fromIndex = 0;
 		// get the size of current paginated dataset
 		int size = loanIds.size();
 		//calculate the batch size
-		batchSize = (int) Math.ceil(size / threadPoolSize);
+		double toGetCeilValue = (double) (size / threadPoolSize);
+		batchSize = (int) Math.ceil(toGetCeilValue);
 
 		if(batchSize == 0)
 			return;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductBorrowerCycleVariationData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductBorrowerCycleVariationData.java
index e97f61f..2e16202 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductBorrowerCycleVariationData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductBorrowerCycleVariationData.java
@@ -18,13 +18,14 @@
  */
 package org.apache.fineract.portfolio.loanproduct.data;
 
-import java.math.BigDecimal;
-
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.portfolio.loanproduct.domain.LoanProductParamType;
 import org.apache.fineract.portfolio.loanproduct.domain.LoanProductValueConditionType;
 
-public class LoanProductBorrowerCycleVariationData {
+import java.io.Serializable;
+import java.math.BigDecimal;
+
+public class LoanProductBorrowerCycleVariationData implements Serializable {
 
     @SuppressWarnings("unused")
     private final Long id;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductData.java
index 9d0af8b..cd28c6b 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductData.java
@@ -18,12 +18,6 @@
  */
 package org.apache.fineract.portfolio.loanproduct.data;
 
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-
 import org.apache.fineract.accounting.common.AccountingEnumerations;
 import org.apache.fineract.accounting.common.AccountingRuleType;
 import org.apache.fineract.accounting.glaccount.data.GLAccountData;
@@ -49,10 +43,17 @@ import org.apache.fineract.portfolio.paymenttype.data.PaymentTypeData;
 import org.joda.time.LocalDate;
 import org.springframework.util.CollectionUtils;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
 /**
  * Immutable data object to represent loan products.
  */
-public class LoanProductData {
+public class LoanProductData implements Serializable {
 
     private final Long id;
     private final String name;
@@ -1134,12 +1135,16 @@ public class LoanProductData {
         return null;
     }
     public Boolean isCompoundingToBePostedAsTransaction() {
-        if (isInterestRecalculationEnabled()) { return this.interestRecalculationData.isCompoundingToBePostedAsTransaction(); }
-        return null;
+        if (isInterestRecalculationEnabled()) {
+            return this.interestRecalculationData.isCompoundingToBePostedAsTransaction();
+        } else {
+            return !this.interestRecalculationData.isCompoundingToBePostedAsTransaction();
+        }
     }
     public Boolean allowCompoundingOnEod() {
-        if (isInterestRecalculationEnabled()) { return this.interestRecalculationData.allowCompoundingOnEod(); }
-        return null;
+        if (isInterestRecalculationEnabled()) {
+            return this.interestRecalculationData.allowCompoundingOnEod();
+        } return !this.interestRecalculationData.allowCompoundingOnEod();
     }
 
     public boolean canDefineInstallmentAmount() {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductGuaranteeData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductGuaranteeData.java
index c71fb90..cbb7eeb 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductGuaranteeData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductGuaranteeData.java
@@ -18,9 +18,10 @@
  */
 package org.apache.fineract.portfolio.loanproduct.data;
 
+import java.io.Serializable;
 import java.math.BigDecimal;
 
-public class LoanProductGuaranteeData {
+public class LoanProductGuaranteeData implements Serializable {
 
     @SuppressWarnings("unused")
     private final Long id;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductInterestRecalculationData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductInterestRecalculationData.java
index 12dc470..9f08d0c 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductInterestRecalculationData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/LoanProductInterestRecalculationData.java
@@ -18,16 +18,16 @@
  */
 package org.apache.fineract.portfolio.loanproduct.data;
 
-import static org.apache.fineract.portfolio.loanproduct.service.LoanEnumerations.interestRecalculationCompoundingType;
-import static org.apache.fineract.portfolio.loanproduct.service.LoanEnumerations.preCloseInterestCalculationStrategy;
-import static org.apache.fineract.portfolio.loanproduct.service.LoanEnumerations.rescheduleStrategyType;
-
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.portfolio.loanproduct.domain.InterestRecalculationCompoundingMethod;
 import org.apache.fineract.portfolio.loanproduct.domain.LoanPreClosureInterestCalculationStrategy;
 import org.apache.fineract.portfolio.loanproduct.domain.LoanRescheduleStrategyMethod;
 
-public class LoanProductInterestRecalculationData {
+import java.io.Serializable;
+
+import static org.apache.fineract.portfolio.loanproduct.service.LoanEnumerations.*;
+
+public class LoanProductInterestRecalculationData implements Serializable {
 
     @SuppressWarnings("unused")
     private final Long id;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/TransactionProcessingStrategyData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/TransactionProcessingStrategyData.java
index 786fedc..45f9dc9 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/TransactionProcessingStrategyData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/data/TransactionProcessingStrategyData.java
@@ -18,10 +18,12 @@
  */
 package org.apache.fineract.portfolio.loanproduct.data;
 
+import java.io.Serializable;
+
 /**
  * Immutable data object representing a transaction strategy option for a loan.
  */
-public final class TransactionProcessingStrategyData {
+public final class TransactionProcessingStrategyData implements Serializable {
 
     private final Long id;
     @SuppressWarnings("unused")
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProduct.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProduct.java
index 723166c..b733684 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProduct.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProduct.java
@@ -18,36 +18,12 @@
  */
 package org.apache.fineract.portfolio.loanproduct.domain;
 
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.Embedded;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.JoinColumn;
-import javax.persistence.JoinTable;
-import javax.persistence.ManyToMany;
-import javax.persistence.ManyToOne;
-import javax.persistence.OneToMany;
-import javax.persistence.OneToOne;
-import javax.persistence.Table;
-import javax.persistence.Temporal;
-import javax.persistence.TemporalType;
-import javax.persistence.UniqueConstraint;
-
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
 import org.apache.commons.lang.StringUtils;
 import org.apache.fineract.accounting.common.AccountingRuleType;
 import org.apache.fineract.infrastructure.core.api.JsonCommand;
+import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
 import org.apache.fineract.organisation.monetary.domain.MonetaryCurrency;
 import org.apache.fineract.organisation.monetary.domain.Money;
 import org.apache.fineract.portfolio.charge.domain.Charge;
@@ -61,10 +37,10 @@ import org.apache.fineract.portfolio.fund.domain.Fund;
 import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.AprCalculator;
 import org.apache.fineract.portfolio.loanproduct.LoanProductConstants;
 import org.joda.time.LocalDate;
-import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
 
-import com.google.gson.JsonArray;
-import com.google.gson.JsonObject;
+import javax.persistence.*;
+import java.math.BigDecimal;
+import java.util.*;
 
 /**
  * Loan products allow for categorisation of an organisations loans into
@@ -1234,7 +1210,7 @@ public class LoanProduct extends AbstractPersistableCustom<Long> {
             Integer interestCycleUsed = 0;
             Integer repaymentCycleUsed = 0;
             for (LoanProductBorrowerCycleVariations cycleVariation : this.borrowerCycleVariations) {
-                if (cycleVariation.getBorrowerCycleNumber() == cycleNumber
+                if (cycleVariation.getBorrowerCycleNumber().equals(cycleNumber)
                         && cycleVariation.getValueConditionType().equals(LoanProductValueConditionType.EQUAL)) {
                     switch (cycleVariation.getParamType()) {
                         case PRINCIPAL:
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProductBorrowerCycleVariations.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProductBorrowerCycleVariations.java
index 85f103d..8530758 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProductBorrowerCycleVariations.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProductBorrowerCycleVariations.java
@@ -19,6 +19,7 @@
 package org.apache.fineract.portfolio.loanproduct.domain;
 
 import java.math.BigDecimal;
+import java.util.Objects;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -103,6 +104,11 @@ public class LoanProductBorrowerCycleVariations extends AbstractPersistableCusto
         return false;
     }
 
+    @Override
+    public int hashCode() {
+        return Objects.hash(borrowerCycleNumber, minValue, maxValue);
+    }
+
     public void copy(final LoanProductBorrowerCycleVariations borrowerCycleVariations) {
         this.defaultValue = borrowerCycleVariations.defaultValue;
         this.minValue = borrowerCycleVariations.minValue;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProductConfigurableAttributes.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProductConfigurableAttributes.java
index e982b92..4da1efc 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProductConfigurableAttributes.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProductConfigurableAttributes.java
@@ -18,19 +18,19 @@
  */
 package org.apache.fineract.portfolio.loanproduct.domain;
 
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToOne;
-import javax.persistence.Table;
-
+import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
 import org.apache.fineract.infrastructure.core.api.JsonCommand;
 import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
 import org.apache.fineract.portfolio.loanproduct.LoanProductConstants;
 
+import javax.persistence.*;
+import java.io.Serializable;
+import java.util.Objects;
+
 @Entity
 @Table(name = "m_product_loan_configurable_attributes")
-public class LoanProductConfigurableAttributes extends AbstractPersistableCustom<Long> {
+public class LoanProductConfigurableAttributes extends AbstractPersistableCustom<Long> implements Serializable {
 
     @ManyToOne
     @JoinColumn(name = "loan_product_id", nullable = false)
@@ -209,4 +209,27 @@ public class LoanProductConfigurableAttributes extends AbstractPersistableCustom
         this.graceOnArrearsAgeing = graceOnArrearsAgeing;
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+
+        if (!(o instanceof LoanProductConfigurableAttributes)) return false;
+
+        LoanProductConfigurableAttributes that = (LoanProductConfigurableAttributes) o;
+
+        return Objects.equals(loanProduct, that.loanProduct) &&
+        	   Objects.equals(amortizationType, that.amortizationType) &&
+        	   Objects.equals(interestType, that.interestType) &&
+        		Objects.equals(transactionProcessingStrategyId, that.transactionProcessingStrategyId) &&
+        		Objects.equals(interestCalculationPeriodType, that.interestCalculationPeriodType) &&
+        		Objects.equals(inArrearsTolerance, that.inArrearsTolerance) &&
+        		Objects.equals(repaymentEvery, that.repaymentEvery) &&
+        		Objects.equals(graceOnPrincipalAndInterestPayment, that.graceOnPrincipalAndInterestPayment) &&
+        		Objects.equals(graceOnArrearsAgeing, that.graceOnArrearsAgeing);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(loanProduct, amortizationType, interestType, transactionProcessingStrategyId, interestCalculationPeriodType, inArrearsTolerance, repaymentEvery, graceOnPrincipalAndInterestPayment, graceOnArrearsAgeing);
+    }
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/serialization/LoanProductDataValidator.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/serialization/LoanProductDataValidator.java
index 56446d0..d2b8369 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/serialization/LoanProductDataValidator.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/serialization/LoanProductDataValidator.java
@@ -320,7 +320,7 @@ public final class LoanProductDataValidator {
                 .value(isInterestRecalculationEnabled).notNull().isOneOfTheseValues(true, false);
 
         if (isInterestRecalculationEnabled != null) {
-            if (isInterestRecalculationEnabled.booleanValue()) {
+            if (isInterestRecalculationEnabled) {
                 if (isEqualAmortization) { throw new EqualAmortizationUnsupportedFeatureException("interest.recalculation",
                         "interest recalculation"); }
                 validateInterestRecalculationParams(element, baseDataValidator, null);
@@ -363,7 +363,7 @@ public final class LoanProductDataValidator {
                         .failWithCode("not.supported.when.isLinkedToFloatingInterestRates.is.true",
                                 "interestRateFrequencyType param is not supported when isLinkedToFloatingInterestRates is true");
             }
-            if ((interestType == null || interestType != InterestMethod.DECLINING_BALANCE.getValue())
+            if ((interestType == null || !interestType.equals(InterestMethod.DECLINING_BALANCE.getValue()))
                     || (isInterestRecalculationEnabled == null || isInterestRecalculationEnabled == false)) {
                 baseDataValidator
                         .reset()
@@ -1208,7 +1208,7 @@ public final class LoanProductDataValidator {
             Integer interestType = this.fromApiJsonHelper.parameterExists("interestType", element) ? this.fromApiJsonHelper
                     .extractIntegerNamed("interestType", element, Locale.getDefault()) : loanProduct.getLoanProductRelatedDetail()
                     .getInterestMethod().getValue();
-            if ((interestType == null || interestType != InterestMethod.DECLINING_BALANCE.getValue())
+            if ((interestType == null || !interestType.equals(InterestMethod.DECLINING_BALANCE.getValue()))
                     || (isInterestRecalculationEnabled == null || isInterestRecalculationEnabled == false)) {
                 baseDataValidator
                         .reset()
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/paymentdetail/data/PaymentDetailData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/paymentdetail/data/PaymentDetailData.java
index cc519da..346332b 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/paymentdetail/data/PaymentDetailData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/paymentdetail/data/PaymentDetailData.java
@@ -20,10 +20,13 @@ package org.apache.fineract.portfolio.paymentdetail.data;
 
 import org.apache.fineract.portfolio.paymenttype.data.PaymentTypeData;
 
+import java.io.Serializable;
+import java.util.Objects;
+
 /**
  * Immutable data object representing a payment.
  */
-public class PaymentDetailData {
+public class PaymentDetailData implements Serializable {
 
     @SuppressWarnings("unused")
     private final Long id;
@@ -50,7 +53,23 @@ public class PaymentDetailData {
         this.receiptNumber = receiptNumber;
         this.bankNumber = bankNumber;
     }
-    
-    
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof PaymentDetailData)) return false;
+        PaymentDetailData that = (PaymentDetailData) o;
+        return Objects.equals(id, that.id) &&
+                Objects.equals(paymentType, that.paymentType) &&
+                Objects.equals(accountNumber, that.accountNumber) &&
+                Objects.equals(checkNumber, that.checkNumber) &&
+                Objects.equals(routingCode, that.routingCode) &&
+                Objects.equals(receiptNumber, that.receiptNumber) &&
+                Objects.equals(bankNumber, that.bankNumber);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, paymentType, accountNumber, checkNumber, routingCode, receiptNumber, bankNumber);
+    }
 }
\ No newline at end of file
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/paymenttype/data/PaymentTypeData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/paymenttype/data/PaymentTypeData.java
index 03331f8..b7d0f14 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/paymenttype/data/PaymentTypeData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/paymenttype/data/PaymentTypeData.java
@@ -18,7 +18,13 @@
  */
 package org.apache.fineract.portfolio.paymenttype.data;
 
-public class PaymentTypeData {
+import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class PaymentTypeData implements Serializable {
 
     @SuppressWarnings("unused")
     private Long id;
@@ -58,4 +64,24 @@ public class PaymentTypeData {
     public String getName() {
         return name;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+
+        if (!(o instanceof PaymentTypeData)) return false;
+
+        PaymentTypeData that = (PaymentTypeData) o;
+
+        return Objects.equals(id, that.id) &&
+        	   Objects.equals(name, that.name) &&
+        	   Objects.equals(description, that.description) &&
+        	   Objects.equals(isCashPayment, that.isCashPayment) &&
+        	   Objects.equals(position, that.position);
+    }
+
+    @Override
+    public int hashCode() {
+    	return Objects.hash(id, name, description, isCashPayment, position);
+    }
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/DepositAccountDataValidator.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/DepositAccountDataValidator.java
index 50c3934..d793f15 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/DepositAccountDataValidator.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/DepositAccountDataValidator.java
@@ -18,27 +18,31 @@
  */
 package org.apache.fineract.portfolio.savings.data;
 
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.adjustAdvanceTowardsFuturePaymentsParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.allowWithdrawalParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.depositAmountParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.depositPeriodFrequencyIdParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.depositPeriodParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.inMultiplesOfDepositTermParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.inMultiplesOfDepositTermTypeIdParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.isCalendarInheritedParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.isMandatoryDepositParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.linkedAccountParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.mandatoryRecommendedDepositAmountParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.maxDepositTermParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.maxDepositTermTypeIdParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.minDepositTermParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.minDepositTermTypeIdParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.preClosurePenalApplicableParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.preClosurePenalInterestOnTypeIdParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.preClosurePenalInterestParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.recurringFrequencyParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.recurringFrequencyTypeParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.transferInterestToSavingsParamName;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.reflect.TypeToken;
+import org.apache.commons.lang.StringUtils;
+import org.apache.fineract.infrastructure.core.data.ApiParameterError;
+import org.apache.fineract.infrastructure.core.data.DataValidatorBuilder;
+import org.apache.fineract.infrastructure.core.exception.InvalidJsonException;
+import org.apache.fineract.infrastructure.core.exception.PlatformApiDataValidationException;
+import org.apache.fineract.infrastructure.core.serialization.FromJsonHelper;
+import org.apache.fineract.portfolio.savings.*;
+import org.apache.fineract.portfolio.savings.domain.SavingsAccount;
+import org.joda.time.LocalDate;
+import org.joda.time.MonthDay;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.lang.reflect.Type;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+
+import static org.apache.fineract.portfolio.savings.DepositsApiConstants.*;
 import static org.apache.fineract.portfolio.savings.SavingsApiConstants.accountNoParamName;
 import static org.apache.fineract.portfolio.savings.SavingsApiConstants.amountParamName;
 import static org.apache.fineract.portfolio.savings.SavingsApiConstants.chargeIdParamName;
@@ -55,43 +59,10 @@ import static org.apache.fineract.portfolio.savings.SavingsApiConstants.interest
 import static org.apache.fineract.portfolio.savings.SavingsApiConstants.interestPostingPeriodTypeParamName;
 import static org.apache.fineract.portfolio.savings.SavingsApiConstants.lockinPeriodFrequencyParamName;
 import static org.apache.fineract.portfolio.savings.SavingsApiConstants.lockinPeriodFrequencyTypeParamName;
-import static org.apache.fineract.portfolio.savings.SavingsApiConstants.minRequiredOpeningBalanceParamName;
 import static org.apache.fineract.portfolio.savings.SavingsApiConstants.nominalAnnualInterestRateParamName;
 import static org.apache.fineract.portfolio.savings.SavingsApiConstants.productIdParamName;
 import static org.apache.fineract.portfolio.savings.SavingsApiConstants.submittedOnDateParamName;
-import static org.apache.fineract.portfolio.savings.SavingsApiConstants.withHoldTaxParamName;
-
-import java.lang.reflect.Type;
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-
-import org.apache.commons.lang.StringUtils;
-import org.apache.fineract.infrastructure.core.data.ApiParameterError;
-import org.apache.fineract.infrastructure.core.data.DataValidatorBuilder;
-import org.apache.fineract.infrastructure.core.exception.InvalidJsonException;
-import org.apache.fineract.infrastructure.core.exception.PlatformApiDataValidationException;
-import org.apache.fineract.infrastructure.core.serialization.FromJsonHelper;
-import org.apache.fineract.portfolio.savings.DepositAccountType;
-import org.apache.fineract.portfolio.savings.DepositsApiConstants;
-import org.apache.fineract.portfolio.savings.PreClosurePenalInterestOnType;
-import org.apache.fineract.portfolio.savings.SavingsCompoundingInterestPeriodType;
-import org.apache.fineract.portfolio.savings.SavingsInterestCalculationDaysInYearType;
-import org.apache.fineract.portfolio.savings.SavingsInterestCalculationType;
-import org.apache.fineract.portfolio.savings.SavingsPeriodFrequencyType;
-import org.apache.fineract.portfolio.savings.SavingsPostingInterestPeriodType;
-import org.apache.fineract.portfolio.savings.domain.SavingsAccount;
-import org.joda.time.LocalDate;
-import org.joda.time.MonthDay;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
-
-import com.google.gson.JsonArray;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.reflect.TypeToken;
+import static org.apache.fineract.portfolio.savings.SavingsApiConstants.*;
 
 @Component
 public class DepositAccountDataValidator {
@@ -662,7 +633,7 @@ public class DepositAccountDataValidator {
                     "Linked Savings account with id:" + linkedSavingsAccount.getId() + " is not in active state", "linkAccountId",
                     linkedSavingsAccount.getId());
             dataValidationErrors.add(error);
-        } else if (savingsAccount.clientId() != linkedSavingsAccount.clientId()) {
+        } else if (!savingsAccount.clientId().equals(linkedSavingsAccount.clientId())) {
             final ApiParameterError error = ApiParameterError.parameterError(
                     "validation.msg.deposit.linked.savings.account.not.belongs.to.same.client", "Linked Savings account with id:"
                             + linkedSavingsAccount.getId() + " is not belongs to the same client", "linkAccountId",
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountApplicationTimelineData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountApplicationTimelineData.java
index e3f8e68..71bce90 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountApplicationTimelineData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountApplicationTimelineData.java
@@ -20,12 +20,14 @@ package org.apache.fineract.portfolio.savings.data;
 
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+
 /**
  * Immutable data object represent the important time-line events of a savings
  * account application.
  */
 @SuppressWarnings("unused")
-public class SavingsAccountApplicationTimelineData {
+public class SavingsAccountApplicationTimelineData implements Serializable {
 
     private final LocalDate submittedOnDate;
     private final String submittedByUsername;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountChargeData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountChargeData.java
index ba158d0..88be5c7 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountChargeData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountChargeData.java
@@ -18,9 +18,6 @@
  */
 package org.apache.fineract.portfolio.savings.data;
 
-import java.math.BigDecimal;
-import java.util.Collection;
-
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
 import org.apache.fineract.portfolio.charge.data.ChargeData;
@@ -28,11 +25,15 @@ import org.apache.fineract.portfolio.charge.domain.ChargeTimeType;
 import org.joda.time.LocalDate;
 import org.joda.time.MonthDay;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.Collection;
+
 /**
  * Immutable data object for Savings Account charge data.
  */
 @SuppressWarnings("unused")
-public class SavingsAccountChargeData {
+public class SavingsAccountChargeData implements Serializable {
 
     private final Long id;
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountData.java
index 64ff43a..4396e3e 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountData.java
@@ -18,12 +18,8 @@
  */
 package org.apache.fineract.portfolio.savings.data;
 
-import java.math.BigDecimal;
-import java.util.*;
-
 import org.apache.commons.lang3.builder.EqualsBuilder;
 import org.apache.commons.lang3.builder.HashCodeBuilder;
-import org.apache.fineract.infrastructure.bulkimport.constants.TemplatePopulateImportConstants;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.infrastructure.dataqueries.data.DatatableData;
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
@@ -32,10 +28,14 @@ import org.apache.fineract.portfolio.charge.data.ChargeData;
 import org.apache.fineract.portfolio.tax.data.TaxGroupData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.*;
+
 /**
  * Immutable data object representing a savings account.
  */
-public class SavingsAccountData {
+public class SavingsAccountData implements Serializable {
 
     private final Long id;
     private final String accountNo;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountStatusEnumData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountStatusEnumData.java
index 7e7bd76..f9ba307 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountStatusEnumData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountStatusEnumData.java
@@ -18,10 +18,12 @@
  */
 package org.apache.fineract.portfolio.savings.data;
 
+import java.io.Serializable;
+
 /**
  * Immutable data object represent savings account status enumerations.
  */
-public class SavingsAccountStatusEnumData {
+public class SavingsAccountStatusEnumData implements Serializable {
 
     private final Long id;
     @SuppressWarnings("unused")
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountSubStatusEnumData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountSubStatusEnumData.java
index 3a7347a..e0e929d 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountSubStatusEnumData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountSubStatusEnumData.java
@@ -18,10 +18,12 @@
  */
 package org.apache.fineract.portfolio.savings.data;
 
+import java.io.Serializable;
+
 /**
  * Immutable data object represent savings account sub-status enumerations.
  */
-public class SavingsAccountSubStatusEnumData {
+public class SavingsAccountSubStatusEnumData implements Serializable {
 
     private final Long id;
     @SuppressWarnings("unused")
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountSummaryData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountSummaryData.java
index a3637c7..1805b87 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountSummaryData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountSummaryData.java
@@ -18,16 +18,17 @@
  */
 package org.apache.fineract.portfolio.savings.data;
 
-import java.math.BigDecimal;
-
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+
 /**
  * Immutable data object representing Savings Account summary information.
  */
 @SuppressWarnings("unused")
-public class SavingsAccountSummaryData {
+public class SavingsAccountSummaryData implements Serializable {
 
     private final CurrencyData currency;
     private final BigDecimal totalDeposits;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountTransactionData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountTransactionData.java
index 98bee06..c3210bc 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountTransactionData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountTransactionData.java
@@ -18,9 +18,6 @@
  */
 package org.apache.fineract.portfolio.savings.data;
 
-import java.math.BigDecimal;
-import java.util.Collection;
-
 import org.apache.fineract.infrastructure.codes.data.CodeValueData;
 import org.apache.fineract.infrastructure.core.service.DateUtils;
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
@@ -31,11 +28,15 @@ import org.apache.fineract.portfolio.savings.SavingsAccountTransactionType;
 import org.apache.fineract.portfolio.savings.service.SavingsEnumerations;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.Collection;
+
 /**
  * Immutable data object representing a savings account transaction.
  */
 @SuppressWarnings("unused")
-public class SavingsAccountTransactionData {
+public class SavingsAccountTransactionData implements Serializable {
 
     private final Long id;
     private final SavingsAccountTransactionEnumData transactionType;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountTransactionEnumData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountTransactionEnumData.java
index 02651ce..525c29e 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountTransactionEnumData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsAccountTransactionEnumData.java
@@ -20,11 +20,13 @@ package org.apache.fineract.portfolio.savings.data;
 
 import org.apache.fineract.portfolio.savings.SavingsAccountTransactionType;
 
+import java.io.Serializable;
+
 /**
  * Immutable data object represent savings account transaction type
  * enumerations.
  */
-public class SavingsAccountTransactionEnumData {
+public class SavingsAccountTransactionEnumData implements Serializable {
 
     private final Long id;
     private final String code;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsProductData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsProductData.java
index 99538b4..f4c8308 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsProductData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/data/SavingsProductData.java
@@ -18,11 +18,6 @@
  */
 package org.apache.fineract.portfolio.savings.data;
 
-import java.math.BigDecimal;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-
 import org.apache.fineract.accounting.common.AccountingRuleType;
 import org.apache.fineract.accounting.glaccount.data.GLAccountData;
 import org.apache.fineract.accounting.producttoaccountmapping.data.ChargeToGLAccountMapper;
@@ -33,10 +28,16 @@ import org.apache.fineract.portfolio.charge.data.ChargeData;
 import org.apache.fineract.portfolio.paymenttype.data.PaymentTypeData;
 import org.apache.fineract.portfolio.tax.data.TaxGroupData;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
 /**
  * Immutable data object represent a savings product.
  */
-public class SavingsProductData {
+public class SavingsProductData implements Serializable {
 
     private final Long id;
     private final String name;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/domain/SavingsAccountCharge.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/domain/SavingsAccountCharge.java
index 3be7c47..fd578f2 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/domain/SavingsAccountCharge.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/domain/SavingsAccountCharge.java
@@ -18,33 +18,8 @@
  */
 package org.apache.fineract.portfolio.savings.domain;
 
-import static org.apache.fineract.portfolio.savings.SavingsApiConstants.amountParamName;
-import static org.apache.fineract.portfolio.savings.SavingsApiConstants.dateFormatParamName;
-import static org.apache.fineract.portfolio.savings.SavingsApiConstants.dueAsOfDateParamName;
-import static org.apache.fineract.portfolio.savings.SavingsApiConstants.feeIntervalParamName;
-import static org.apache.fineract.portfolio.savings.SavingsApiConstants.feeOnMonthDayParamName;
-import static org.apache.fineract.portfolio.savings.SavingsApiConstants.localeParamName;
-
-import java.math.BigDecimal;
-import java.math.MathContext;
-import java.util.Date;
-import java.util.LinkedHashMap;
-import java.util.Map;
-
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToOne;
-import javax.persistence.Table;
-import javax.persistence.Temporal;
-import javax.persistence.TemporalType;
-import javax.validation.constraints.NotNull;
-
-import org.apache.commons.lang.builder.EqualsBuilder;
-import org.apache.commons.lang.builder.HashCodeBuilder;
 import org.apache.fineract.infrastructure.core.api.JsonCommand;
 import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
-import org.apache.fineract.organisation.monetary.domain.ApplicationCurrency;
 import org.apache.fineract.organisation.monetary.domain.MonetaryCurrency;
 import org.apache.fineract.organisation.monetary.domain.Money;
 import org.apache.fineract.organisation.monetary.domain.MoneyHelper;
@@ -55,6 +30,17 @@ import org.apache.fineract.portfolio.charge.exception.SavingsAccountChargeWithou
 import org.joda.time.LocalDate;
 import org.joda.time.MonthDay;
 
+import javax.persistence.*;
+import javax.validation.constraints.NotNull;
+import java.math.BigDecimal;
+import java.math.MathContext;
+import java.util.Date;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Objects;
+
+import static org.apache.fineract.portfolio.savings.SavingsApiConstants.*;
+
 /**
  * @author dv6
  * 
@@ -451,14 +437,14 @@ public class SavingsAccountCharge extends AbstractPersistableCustom<Long> {
             final MonthDay monthDay = command.extractMonthDayNamed(feeOnMonthDayParamName);
             final String actualValueEntered = command.stringValueOfParameterNamed(feeOnMonthDayParamName);
             final Integer dayOfMonthValue = monthDay.getDayOfMonth();
-            if (this.feeOnDay != dayOfMonthValue) {
+            if (!this.feeOnDay.equals(dayOfMonthValue)) {
                 actualChanges.put(feeOnMonthDayParamName, actualValueEntered);
                 actualChanges.put(localeParamName, localeAsInput);
                 this.feeOnDay = dayOfMonthValue;
             }
 
             final Integer monthOfYear = monthDay.getMonthOfYear();
-            if (this.feeOnMonth != monthOfYear) {
+            if (!this.feeOnMonth.equals(monthOfYear)) {
                 actualChanges.put(feeOnMonthDayParamName, actualValueEntered);
                 actualChanges.put(localeParamName, localeAsInput);
                 this.feeOnMonth = monthOfYear;
@@ -693,17 +679,35 @@ public class SavingsAccountCharge extends AbstractPersistableCustom<Long> {
     }
 
     @Override
-    public boolean equals(final Object obj) {
-        if (obj == null) { return false; }
-        if (obj == this) { return true; }
-        if (obj.getClass() != getClass()) { return false; }
-        final SavingsAccountCharge rhs = (SavingsAccountCharge) obj;
-        return new EqualsBuilder().appendSuper(super.equals(obj)) //
-                .append(getId(), rhs.getId()) //
-                .append(this.charge.getId(), rhs.charge.getId()) //
-                .append(this.amount, rhs.amount) //
-                .append(getDueLocalDate(), rhs.getDueLocalDate()) //
-                .isEquals();
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof SavingsAccountCharge)) return false;
+        SavingsAccountCharge that = (SavingsAccountCharge) o;
+        return Objects.equals(penaltyCharge, that.penaltyCharge) &&
+        	   Objects.equals(paid, that.paid) &&
+        	   Objects.equals(waived, that.waived) &&
+        	   Objects.equals(status, that.status) &&
+        	   Objects.equals(savingsAccount, that.savingsAccount) &&
+        	   Objects.equals(charge, that.charge) &&
+        	   Objects.equals(chargeTime, that.chargeTime) &&
+        	   Objects.equals(dueDate, that.dueDate) &&
+        	   Objects.equals(feeOnMonth, that.feeOnMonth) &&
+        	   Objects.equals(feeOnDay, that.feeOnDay) &&
+        	   Objects.equals(feeInterval, that.feeInterval) &&
+        	   Objects.equals(chargeCalculation, that.chargeCalculation) &&
+        	   Objects.equals(percentage, that.percentage) &&
+        	   Objects.equals(amountPercentageAppliedTo, that.amountPercentageAppliedTo) &&
+        	   Objects.equals(amount, that.amount) &&
+        	   Objects.equals(amountPaid, that.amountPaid) &&
+        	   Objects.equals(amountWaived, that.amountWaived) &&
+        	   Objects.equals(amountWrittenOff, that.amountWrittenOff) &&
+        	   Objects.equals(amountOutstanding, that.amountOutstanding) &&
+        	   Objects.equals(inactivationDate, that.inactivationDate);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(savingsAccount, charge, chargeTime, dueDate, feeOnMonth, feeOnDay, feeInterval, chargeCalculation, percentage, amountPercentageAppliedTo, amount, amountPaid, amountWaived, amountWrittenOff, amountOutstanding, penaltyCharge, paid, waived, status, inactivationDate);
     }
 
     public BigDecimal calculateWithdralFeeAmount(@NotNull BigDecimal transactionAmount) {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/service/DepositApplicationProcessWritePlatformServiceJpaRepositoryImpl.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/service/DepositApplicationProcessWritePlatformServiceJpaRepositoryImpl.java
index ff222e9..709a468 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/service/DepositApplicationProcessWritePlatformServiceJpaRepositoryImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/service/DepositApplicationProcessWritePlatformServiceJpaRepositoryImpl.java
@@ -18,16 +18,6 @@
  */
 package org.apache.fineract.portfolio.savings.service;
 
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.isCalendarInheritedParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.recurringFrequencyParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.recurringFrequencyTypeParamName;
-import static org.apache.fineract.portfolio.savings.DepositsApiConstants.transferInterestToSavingsParamName;
-
-import java.math.MathContext;
-import java.util.*;
-
-import javax.persistence.PersistenceException;
-
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang.exception.ExceptionUtils;
 import org.apache.fineract.infrastructure.accountnumberformat.domain.AccountNumberFormat;
@@ -51,11 +41,7 @@ import org.apache.fineract.portfolio.account.domain.AccountAssociationType;
 import org.apache.fineract.portfolio.account.domain.AccountAssociations;
 import org.apache.fineract.portfolio.account.domain.AccountAssociationsRepository;
 import org.apache.fineract.portfolio.calendar.domain.Calendar;
-import org.apache.fineract.portfolio.calendar.domain.CalendarEntityType;
-import org.apache.fineract.portfolio.calendar.domain.CalendarFrequencyType;
-import org.apache.fineract.portfolio.calendar.domain.CalendarInstance;
-import org.apache.fineract.portfolio.calendar.domain.CalendarInstanceRepository;
-import org.apache.fineract.portfolio.calendar.domain.CalendarType;
+import org.apache.fineract.portfolio.calendar.domain.*;
 import org.apache.fineract.portfolio.calendar.service.CalendarUtils;
 import org.apache.fineract.portfolio.client.domain.AccountNumberGenerator;
 import org.apache.fineract.portfolio.client.domain.Client;
@@ -77,17 +63,7 @@ import org.apache.fineract.portfolio.savings.DepositAccountType;
 import org.apache.fineract.portfolio.savings.DepositsApiConstants;
 import org.apache.fineract.portfolio.savings.SavingsApiConstants;
 import org.apache.fineract.portfolio.savings.data.DepositAccountDataValidator;
-import org.apache.fineract.portfolio.savings.domain.DepositAccountAssembler;
-import org.apache.fineract.portfolio.savings.domain.FixedDepositAccount;
-import org.apache.fineract.portfolio.savings.domain.FixedDepositAccountRepository;
-import org.apache.fineract.portfolio.savings.domain.RecurringDepositAccount;
-import org.apache.fineract.portfolio.savings.domain.RecurringDepositAccountRepository;
-import org.apache.fineract.portfolio.savings.domain.SavingsAccount;
-import org.apache.fineract.portfolio.savings.domain.SavingsAccountCharge;
-import org.apache.fineract.portfolio.savings.domain.SavingsAccountChargeAssembler;
-import org.apache.fineract.portfolio.savings.domain.SavingsAccountRepositoryWrapper;
-import org.apache.fineract.portfolio.savings.domain.SavingsProduct;
-import org.apache.fineract.portfolio.savings.domain.SavingsProductRepository;
+import org.apache.fineract.portfolio.savings.domain.*;
 import org.apache.fineract.portfolio.savings.exception.SavingsProductNotFoundException;
 import org.apache.fineract.useradministration.domain.AppUser;
 import org.joda.time.LocalDate;
@@ -97,8 +73,12 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.dao.DataAccessException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import org.apache.fineract.portfolio.common.BusinessEventNotificationConstants.BUSINESS_ENTITY;
-import org.apache.fineract.portfolio.common.BusinessEventNotificationConstants.BUSINESS_EVENTS;
+
+import javax.persistence.PersistenceException;
+import java.math.MathContext;
+import java.util.*;
+
+import static org.apache.fineract.portfolio.savings.DepositsApiConstants.*;
 
 @Service
 public class DepositApplicationProcessWritePlatformServiceJpaRepositoryImpl implements DepositApplicationProcessWritePlatformService {
@@ -429,7 +409,7 @@ public class DepositApplicationProcessWritePlatformServiceJpaRepositoryImpl impl
                     isModified = true;
                 } else {
                     final SavingsAccount savingsAccount = accountAssociations.linkedSavingsAccount();
-                    if (savingsAccount == null || savingsAccount.getId() != savingsAccountId) {
+                    if (savingsAccount == null || !savingsAccount.getId().equals(savingsAccountId)) {
                         isModified = true;
                     }
                 }
@@ -460,11 +440,11 @@ public class DepositApplicationProcessWritePlatformServiceJpaRepositoryImpl impl
                     .build();
         } catch (final DataAccessException dve) {
             handleDataIntegrityIssues(command, dve.getMostSpecificCause(), dve);
-            return new CommandProcessingResult(Long.valueOf(-1));
+            return new CommandProcessingResult((long) -1);
         }catch (final PersistenceException dve) {
         	Throwable throwable = ExceptionUtils.getRootCause(dve.getCause()) ;
         	handleDataIntegrityIssues(command, throwable, dve);
-        	return new CommandProcessingResult(Long.valueOf(-1));
+        	return new CommandProcessingResult((long) -1);
         }
     }
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/account/service/SelfBeneficiariesTPTWritePlatformServiceImpl.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/account/service/SelfBeneficiariesTPTWritePlatformServiceImpl.java
index 441aa02..93bc379 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/account/service/SelfBeneficiariesTPTWritePlatformServiceImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/account/service/SelfBeneficiariesTPTWritePlatformServiceImpl.java
@@ -94,7 +94,7 @@ public class SelfBeneficiariesTPTWritePlatformServiceImpl implements
 		Long officeId = null;
 
 		boolean validAccountDetails = true;
-		if (accountType.equals(PortfolioAccountType.LOAN)) {
+		if (accountType.equals(PortfolioAccountType.LOAN.getValue())) {
 			Loan loan = this.loanRepositoryWrapper.findNonClosedLoanByAccountNumber(accountNumber);
 			if (loan != null && loan.getClientId() != null
 					&& loan.getOffice().getName().equals(officeName)) {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/loanaccount/api/SelfLoansApiResource.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/loanaccount/api/SelfLoansApiResource.java
index e3f176c..c773f8a 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/loanaccount/api/SelfLoansApiResource.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/loanaccount/api/SelfLoansApiResource.java
@@ -141,7 +141,7 @@ public class SelfLoansApiResource {
 
 		validateAppuserLoanMapping(loanId);
 
-		return this.retrieveLoanCharge(loanId, loanChargeId, uriInfo);
+		return this.loanChargesApiResource.retrieveLoanCharge(loanId, loanChargeId, uriInfo);
 	}
 
     @GET
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/loanaccount/data/SelfLoansDataValidator.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/loanaccount/data/SelfLoansDataValidator.java
index ef93de0..133e54f 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/loanaccount/data/SelfLoansDataValidator.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/loanaccount/data/SelfLoansDataValidator.java
@@ -40,6 +40,8 @@ import org.springframework.stereotype.Component;
 
 import com.google.gson.JsonElement;
 
+import net.sf.ehcache.util.FindBugsSuppressWarnings;
+
 @Component
 public class SelfLoansDataValidator {
 	private static final Set<String> allowedAssociationParameters = new HashSet<>(
@@ -83,6 +85,9 @@ public class SelfLoansDataValidator {
 
 	}
 	
+	// TODO fix this!
+	@FindBugsSuppressWarnings("EC_UNRELATED_TYPES")
+	// See review here: https://github.com/apache/fineract/pull/670
 	public HashMap<String, Object> validateLoanApplication(final String json){
         if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
 
@@ -108,6 +113,9 @@ public class SelfLoansDataValidator {
 
 	}
 
+	// TODO fix this!
+	@FindBugsSuppressWarnings("EC_UNRELATED_TYPES")
+	// See review here: https://github.com/apache/fineract/pull/670/files/0409af3903d350afe43ef4837e4d915ccbe14285#r357920937
 	public HashMap<String, Object> validateModifyLoanApplication(final String json) {
         final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
         final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan");
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/registration/SelfServiceApiConstants.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/registration/SelfServiceApiConstants.java
index 966211b..0c9a7c3 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/registration/SelfServiceApiConstants.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/self/registration/SelfServiceApiConstants.java
@@ -19,6 +19,7 @@
 package org.apache.fineract.portfolio.self.registration;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -37,13 +38,14 @@ public class SelfServiceApiConstants {
     public static final String mobileModeParamName = "mobile";
     public static final String requestIdParamName = "requestId";
     public static final String createRequestSuccessMessage = "Self service request created.";
-    public static final Set<String> REGISTRATION_REQUEST_DATA_PARAMETERS = new HashSet<>(Arrays.asList(usernameParamName,
-            accountNumberParamName, passwordParamName, firstNameParamName, mobileNumberParamName, lastNameParamName, emailParamName,
-            authenticationModeParamName));
-    public static final Set<String> CREATE_USER_REQUEST_DATA_PARAMETERS = new HashSet<>(Arrays.asList(requestIdParamName,
-            authenticationTokenParamName));
-    public static final Object[] SUPPORTED_AUTHENTICATION_MODE_PARAMETERS = new Object[] {emailModeParamName,
-            mobileModeParamName};
+    public static final Set<String> REGISTRATION_REQUEST_DATA_PARAMETERS =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(usernameParamName, accountNumberParamName,
+                    passwordParamName, firstNameParamName, mobileNumberParamName, lastNameParamName, emailParamName,
+                    authenticationModeParamName)));
+    public static final Set<String> CREATE_USER_REQUEST_DATA_PARAMETERS =
+            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(requestIdParamName,
+                    authenticationTokenParamName)));
+    public static final Object[] SUPPORTED_AUTHENTICATION_MODE_PARAMETERS = new Object[] {emailModeParamName, mobileModeParamName};
     public static final String SELF_SERVICE_USER_ROLE = "Self Service User";
     
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountApplicationTimelineData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountApplicationTimelineData.java
index 73ef751..8c42ec1 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountApplicationTimelineData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountApplicationTimelineData.java
@@ -20,8 +20,10 @@ package org.apache.fineract.portfolio.shareaccounts.data;
 
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+
 @SuppressWarnings("unused")
-public class ShareAccountApplicationTimelineData {
+public class ShareAccountApplicationTimelineData implements Serializable {
 
 	private final LocalDate submittedOnDate;
     private final String submittedByUsername;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountChargeData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountChargeData.java
index f1da9f4..ea4eea8 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountChargeData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountChargeData.java
@@ -18,18 +18,16 @@
  */
 package org.apache.fineract.portfolio.shareaccounts.data;
 
-import java.math.BigDecimal;
-import java.util.Collection;
-
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
 import org.apache.fineract.portfolio.charge.data.ChargeData;
-import org.apache.fineract.portfolio.charge.domain.ChargeCalculationType;
-import org.joda.time.LocalDate;
-import org.joda.time.MonthDay;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.Collection;
 
 @SuppressWarnings("unused")
-public class ShareAccountChargeData {
+public class ShareAccountChargeData implements Serializable {
 
     private final Long id;
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountData.java
index 86ca355..5ce3af9 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountData.java
@@ -18,12 +18,7 @@
  */
 package org.apache.fineract.portfolio.shareaccounts.data;
 
-import java.math.BigDecimal;
-import java.util.Collection;
-import java.util.Date;
-
 import org.apache.fineract.accounting.glaccount.data.GLAccountData;
-import org.apache.fineract.infrastructure.bulkimport.constants.TemplatePopulateImportConstants;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
 import org.apache.fineract.portfolio.accountdetails.data.ShareAccountSummaryData;
@@ -31,11 +26,14 @@ import org.apache.fineract.portfolio.accounts.data.AccountData;
 import org.apache.fineract.portfolio.charge.data.ChargeData;
 import org.apache.fineract.portfolio.products.data.ProductData;
 import org.apache.fineract.portfolio.savings.data.SavingsAccountData;
-import org.apache.fineract.portfolio.shareproducts.data.ShareProductData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.Collection;
+
 @SuppressWarnings("unused")
-public class ShareAccountData implements AccountData {
+public class ShareAccountData implements Serializable, AccountData {
 
     private Long id;
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountDividendData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountDividendData.java
index ad195f4..78b1bff 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountDividendData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountDividendData.java
@@ -18,13 +18,14 @@
  */
 package org.apache.fineract.portfolio.shareaccounts.data;
 
+import org.apache.fineract.infrastructure.core.data.EnumOptionData;
+
+import java.io.Serializable;
 import java.math.BigDecimal;
 import java.util.Date;
 
-import org.apache.fineract.infrastructure.core.data.EnumOptionData;
-
 @SuppressWarnings("unused")
-public class ShareAccountDividendData {
+public class ShareAccountDividendData implements Serializable {
 
     private final Long id;
     private final Date postedDate ;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountStatusEnumData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountStatusEnumData.java
index c1dffc9..53d9b33 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountStatusEnumData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountStatusEnumData.java
@@ -18,11 +18,13 @@
  */
 package org.apache.fineract.portfolio.shareaccounts.data;
 
+import java.io.Serializable;
+
 /**
  * Immutable data object represent savings account status enumerations.
  */
 @SuppressWarnings("unused")
-public class ShareAccountStatusEnumData {
+public class ShareAccountStatusEnumData implements Serializable {
 
     private final Long id;
    
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountTransactionData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountTransactionData.java
index dcb192e..44976e2 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountTransactionData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountTransactionData.java
@@ -18,13 +18,14 @@
  */
 package org.apache.fineract.portfolio.shareaccounts.data;
 
-import java.math.BigDecimal;
-
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.joda.time.LocalDate;
 
+import java.io.Serializable;
+import java.math.BigDecimal;
+
 @SuppressWarnings("unused")
-public class ShareAccountTransactionData {
+public class ShareAccountTransactionData implements Serializable {
 
     private final Long id;
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountTransactionEnumData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountTransactionEnumData.java
index cfc7748..cc8793c 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountTransactionEnumData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/data/ShareAccountTransactionEnumData.java
@@ -18,7 +18,9 @@
  */
 package org.apache.fineract.portfolio.shareaccounts.data;
 
-public class ShareAccountTransactionEnumData {
+import java.io.Serializable;
+
+public class ShareAccountTransactionEnumData implements Serializable {
 
     private final Long id;
     private final String code;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccount.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccount.java
index d51a993..d6e6f79 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccount.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccount.java
@@ -20,6 +20,7 @@ package org.apache.fineract.portfolio.shareaccounts.domain;
 
 import java.util.Date;
 import java.util.HashSet;
+import java.util.Objects;
 import java.util.Set;
 
 import javax.persistence.CascadeType;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccountCharge.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccountCharge.java
index feed817..52f3b0a 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccountCharge.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccountCharge.java
@@ -28,6 +28,7 @@ import javax.persistence.ManyToOne;
 import javax.persistence.Table;
 
 import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
 import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
 import org.apache.fineract.organisation.monetary.domain.MonetaryCurrency;
 import org.apache.fineract.organisation.monetary.domain.Money;
@@ -414,17 +415,4 @@ public class ShareAccountCharge extends AbstractPersistableCustom<Long> {
     public void setActive(boolean active) {
         this.active = active ;
     }
-    
-    @Override
-    public boolean equals(final Object obj) {
-        if (obj == null) { return false; }
-        if (obj == this) { return true; }
-        if (obj.getClass() != getClass()) { return false; }
-        final ShareAccountCharge rhs = (ShareAccountCharge) obj;
-        return new EqualsBuilder().appendSuper(super.equals(obj)) //
-                .append(getId(), rhs.getId()) //
-                .append(this.charge.getId(), rhs.charge.getId()) //
-                .append(this.amount, rhs.amount) //
-                .isEquals();
-    }
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccountTransaction.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccountTransaction.java
index 9910421..b521fdd 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccountTransaction.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/shareaccounts/domain/ShareAccountTransaction.java
@@ -18,24 +18,14 @@
  */
 package org.apache.fineract.portfolio.shareaccounts.domain;
 
+import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
+
+import javax.persistence.*;
 import java.math.BigDecimal;
 import java.util.Date;
 import java.util.HashSet;
 import java.util.Set;
 
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToOne;
-import javax.persistence.OneToMany;
-import javax.persistence.Table;
-import javax.persistence.Temporal;
-import javax.persistence.TemporalType;
-
-import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
-
 @Entity
 @Table(name = "m_share_account_transactions")
 public class ShareAccountTransaction extends AbstractPersistableCustom<Long> {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxComponentData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxComponentData.java
index a61ba33..d7ac123 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxComponentData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxComponentData.java
@@ -18,6 +18,7 @@
  */
 package org.apache.fineract.portfolio.tax.data;
 
+import java.io.Serializable;
 import java.math.BigDecimal;
 import java.util.Collection;
 import java.util.List;
@@ -27,7 +28,7 @@ import org.apache.fineract.accounting.glaccount.data.GLAccountData;
 import org.apache.fineract.infrastructure.core.data.EnumOptionData;
 import org.joda.time.LocalDate;
 
-public class TaxComponentData {
+public class TaxComponentData implements Serializable {
 
     @SuppressWarnings("unused")
     private final Long id;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxComponentHistoryData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxComponentHistoryData.java
index 4007566..bde0928 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxComponentHistoryData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxComponentHistoryData.java
@@ -18,11 +18,12 @@
  */
 package org.apache.fineract.portfolio.tax.data;
 
-import java.math.BigDecimal;
-
 import org.joda.time.LocalDate;
 
-public class TaxComponentHistoryData {
+import java.io.Serializable;
+import java.math.BigDecimal;
+
+public class TaxComponentHistoryData implements Serializable {
 
     @SuppressWarnings("unused")
     private final BigDecimal percentage;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxGroupData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxGroupData.java
index 78a35f1..1d618a4 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxGroupData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxGroupData.java
@@ -18,9 +18,10 @@
  */
 package org.apache.fineract.portfolio.tax.data;
 
+import java.io.Serializable;
 import java.util.Collection;
 
-public class TaxGroupData {
+public class TaxGroupData implements Serializable {
 
     private final Long id;
     private final String name;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxGroupMappingsData.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxGroupMappingsData.java
index da02492..d2cc723 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxGroupMappingsData.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/tax/data/TaxGroupMappingsData.java
@@ -20,7 +20,9 @@ package org.apache.fineract.portfolio.tax.data;
 
 import org.joda.time.LocalDate;
 
-public class TaxGroupMappingsData {
+import java.io.Serializable;
+
+public class TaxGroupMappingsData implements Serializable {
 
     @SuppressWarnings("unused")
     private final Long id;
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/transfer/service/TransferWritePlatformServiceJpaRepositoryImpl.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/transfer/service/TransferWritePlatformServiceJpaRepositoryImpl.java
index f5e677e..572fac2 100755
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/transfer/service/TransferWritePlatformServiceJpaRepositoryImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/transfer/service/TransferWritePlatformServiceJpaRepositoryImpl.java
@@ -18,10 +18,9 @@
  */
 package org.apache.fineract.portfolio.transfer.service;
 
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
-
+import com.google.common.collect.Iterables;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
 import org.apache.fineract.infrastructure.core.api.JsonCommand;
 import org.apache.fineract.infrastructure.core.data.CommandProcessingResult;
 import org.apache.fineract.infrastructure.core.data.CommandProcessingResultBuilder;
@@ -32,17 +31,9 @@ import org.apache.fineract.organisation.office.domain.Office;
 import org.apache.fineract.organisation.office.domain.OfficeRepositoryWrapper;
 import org.apache.fineract.organisation.staff.domain.Staff;
 import org.apache.fineract.organisation.staff.domain.StaffRepositoryWrapper;
-import org.apache.fineract.portfolio.calendar.domain.Calendar;
-import org.apache.fineract.portfolio.calendar.domain.CalendarEntityType;
-import org.apache.fineract.portfolio.calendar.domain.CalendarInstance;
-import org.apache.fineract.portfolio.calendar.domain.CalendarInstanceRepository;
-import org.apache.fineract.portfolio.calendar.domain.CalendarType;
+import org.apache.fineract.portfolio.calendar.domain.*;
 import org.apache.fineract.portfolio.calendar.service.CalendarUtils;
-import org.apache.fineract.portfolio.client.domain.Client;
-import org.apache.fineract.portfolio.client.domain.ClientRepositoryWrapper;
-import org.apache.fineract.portfolio.client.domain.ClientStatus;
-import org.apache.fineract.portfolio.client.domain.ClientTransferDetails;
-import org.apache.fineract.portfolio.client.domain.ClientTransferDetailsRepositoryWrapper;
+import org.apache.fineract.portfolio.client.domain.*;
 import org.apache.fineract.portfolio.client.exception.ClientHasBeenClosedException;
 import org.apache.fineract.portfolio.group.domain.Group;
 import org.apache.fineract.portfolio.group.domain.GroupRepositoryWrapper;
@@ -66,9 +57,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import com.google.common.collect.Iterables;
-import com.google.gson.JsonArray;
-import com.google.gson.JsonObject;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
 
 @Service
 public class TransferWritePlatformServiceJpaRepositoryImpl implements TransferWritePlatformService {
@@ -132,11 +123,11 @@ public class TransferWritePlatformServiceJpaRepositoryImpl implements TransferWr
 
         final List<Client> clients = assembleListOfClients(jsonCommand);
 
-        if (sourceGroupId == destinationGroupId) { throw new TransferNotSupportedException(
+        if (sourceGroupId.equals(destinationGroupId)) { throw new TransferNotSupportedException(
                 TRANSFER_NOT_SUPPORTED_REASON.SOURCE_AND_DESTINATION_GROUP_CANNOT_BE_SAME, sourceGroupId, destinationGroupId); }
 
         /*** Do not allow bulk client transfers across branches ***/
-        if (!(sourceOffice.getId() == destinationGroup.getOffice().getId())) { throw new TransferNotSupportedException(
+        if (!(sourceOffice.getId().equals(destinationGroup.getOffice().getId()))) { throw new TransferNotSupportedException(
                 TRANSFER_NOT_SUPPORTED_REASON.BULK_CLIENT_TRANSFER_ACROSS_BRANCHES, sourceGroupId, destinationGroupId); }
 
         for (final Client client : clients) {
diff --git a/fineract-provider/src/main/java/org/apache/fineract/template/service/TemplateMergeService.java b/fineract-provider/src/main/java/org/apache/fineract/template/service/TemplateMergeService.java
index a661333..a74f6f2 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/template/service/TemplateMergeService.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/template/service/TemplateMergeService.java
@@ -18,17 +18,23 @@
  */
 package org.apache.fineract.template.service;
 
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.StringReader;
-import java.io.StringWriter;
+import com.github.mustachejava.DefaultMustacheFactory;
+import com.github.mustachejava.Mustache;
+import com.github.mustachejava.MustacheFactory;
+import org.apache.fineract.template.domain.Template;
+import org.apache.fineract.template.domain.TemplateFunctions;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.stereotype.Service;
+
+import java.io.*;
 import java.net.Authenticator;
 import java.net.HttpURLConnection;
-import java.net.MalformedURLException;
 import java.net.PasswordAuthentication;
 import java.net.URL;
+import java.nio.charset.StandardCharsets;
 import java.security.KeyManagementException;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
@@ -36,19 +42,6 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
 
-import org.apache.fineract.infrastructure.core.service.ThreadLocalContextUtil;
-import org.apache.fineract.template.domain.Template;
-import org.apache.fineract.template.domain.TemplateFunctions;
-import org.codehaus.jackson.map.ObjectMapper;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.security.core.context.SecurityContextHolder;
-import org.springframework.stereotype.Service;
-
-import com.github.mustachejava.DefaultMustacheFactory;
-import com.github.mustachejava.Mustache;
-import com.github.mustachejava.MustacheFactory;
-
 @Service
 public class TemplateMergeService {
 	private final static Logger logger = LoggerFactory.getLogger(TemplateMergeService.class);
@@ -58,18 +51,13 @@ public class TemplateMergeService {
     private Map<String, Object> scopes;
     private String authToken;
 
-    // @Autowired
-    // public TemplateMergeService(final FromJsonHelper fromApiJsonHelper) {
-    // this.fromApiJsonHelper = fromApiJsonHelper;
-    //
 
     public void setAuthToken(final String authToken) {
-        //final String auth = ThreadLocalContextUtil.getAuthToken();
     	this.authToken =  authToken;
     }
     
 
-    public String compile(final Template template, final Map<String, Object> scopes) throws MalformedURLException, IOException {
+    public String compile(final Template template, final Map<String, Object> scopes) throws IOException {
         this.scopes = scopes;
         this.scopes.put("static", new TemplateFunctions());
         
@@ -111,7 +99,7 @@ public class TemplateMergeService {
     }
 
     @SuppressWarnings("unchecked")
-    private Map<String, Object> getMapFromUrl(final String url) throws MalformedURLException, IOException {
+    private Map<String, Object> getMapFromUrl(final String url) throws IOException {
         final HttpURLConnection connection = getConnection(url);
 
         final String response = getStringFromInputStream(connection.getInputStream());
@@ -162,7 +150,7 @@ public class TemplateMergeService {
         String line;
         try {
 
-            br = new BufferedReader(new InputStreamReader(is));
+            br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8));
             while ((line = br.readLine()) != null) {
                 sb.append(line);
             }
diff --git a/fineract-provider/src/test/java/org/apache/fineract/commands/provider/CommandHandlerProviderTest.java b/fineract-provider/src/test/java/org/apache/fineract/commands/provider/CommandHandlerProviderTest.java
index a3e9aa6..598e8fd 100644
--- a/fineract-provider/src/test/java/org/apache/fineract/commands/provider/CommandHandlerProviderTest.java
+++ b/fineract-provider/src/test/java/org/apache/fineract/commands/provider/CommandHandlerProviderTest.java
@@ -20,7 +20,6 @@ package org.apache.fineract.commands.provider;
 
 import org.apache.fineract.commands.exception.UnsupportedCommandException;
 import org.apache.fineract.commands.handler.NewCommandSourceHandler;
-import org.apache.fineract.commands.provider.CommandHandlerProvider;
 import org.apache.fineract.infrastructure.configuration.spring.TestsWithoutDatabaseAndNoJobsConfiguration;
 import org.apache.fineract.infrastructure.core.api.JsonCommand;
 import org.apache.fineract.infrastructure.core.data.CommandProcessingResult;
@@ -28,7 +27,6 @@ import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.core.env.ConfigurableEnvironment;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
diff --git a/fineract-provider/src/test/java/org/apache/fineract/mix/report/service/XBRLBuilderTest.java b/fineract-provider/src/test/java/org/apache/fineract/mix/report/service/XBRLBuilderTest.java
index 7edfda0..5913b99 100644
--- a/fineract-provider/src/test/java/org/apache/fineract/mix/report/service/XBRLBuilderTest.java
+++ b/fineract-provider/src/test/java/org/apache/fineract/mix/report/service/XBRLBuilderTest.java
@@ -18,20 +18,6 @@
  */
 package org.apache.fineract.mix.report.service;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.mockito.Mockito.lenient;
-import static org.mockito.Mockito.when;
-
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.math.BigDecimal;
-import java.sql.Date;
-import java.util.HashMap;
-
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-
 import org.apache.fineract.mix.data.MixTaxonomyData;
 import org.apache.fineract.mix.data.NamespaceData;
 import org.apache.fineract.mix.service.NamespaceReadPlatformServiceImpl;
@@ -47,6 +33,20 @@ import org.mockito.runners.MockitoJUnitRunner;
 import org.w3c.dom.NodeList;
 import org.xml.sax.SAXException;
 
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.math.BigDecimal;
+import java.nio.charset.StandardCharsets;
+import java.sql.Date;
+import java.util.HashMap;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.mockito.Mockito.lenient;
+import static org.mockito.Mockito.when;
+
 @RunWith(MockitoJUnitRunner.class)
 public class XBRLBuilderTest {
 
@@ -76,7 +76,8 @@ public class XBRLBuilderTest {
         System.out.println(result);
         NodeList nodes = null;
         try {
-            nodes = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(result.getBytes()))
+            nodes =
+                    DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(result.getBytes(StandardCharsets.UTF_8)))
                     .getElementsByTagName("Assets");
         } catch (final SAXException e) {
             e.printStackTrace();