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Posted to commits@ranger.apache.org by al...@apache.org on 2016/03/01 18:49:55 UTC

incubator-ranger git commit: RANGER-860 - Fix DuplicateImports/UnusedImports

Repository: incubator-ranger
Updated Branches:
  refs/heads/master edc4f2b6e -> bdf44e402


RANGER-860 - Fix DuplicateImports/UnusedImports

Signed-off-by: Alok Lal <al...@apache.org>


Project: http://git-wip-us.apache.org/repos/asf/incubator-ranger/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-ranger/commit/bdf44e40
Tree: http://git-wip-us.apache.org/repos/asf/incubator-ranger/tree/bdf44e40
Diff: http://git-wip-us.apache.org/repos/asf/incubator-ranger/diff/bdf44e40

Branch: refs/heads/master
Commit: bdf44e402bed529f21d93cd86429163c8d6b69b2
Parents: edc4f2b
Author: Colm O hEigeartaigh <co...@apache.org>
Authored: Tue Mar 1 09:49:07 2016 -0800
Committer: Alok Lal <al...@apache.org>
Committed: Tue Mar 1 09:49:31 2016 -0800

----------------------------------------------------------------------
 .../src/main/java/org/apache/ranger/audit/dao/BaseDao.java   | 1 -
 .../org/apache/ranger/audit/entity/AuthzAuditEventDbObj.java | 1 -
 .../java/org/apache/ranger/audit/model/AuditEventBase.java   | 2 --
 .../org/apache/ranger/plugin/client/HadoopConfigHolder.java  | 7 +++++--
 .../contextenricher/RangerAbstractGeolocationProvider.java   | 6 ------
 .../ranger/plugin/contextenricher/RangerTagRetriever.java    | 4 ----
 .../plugin/model/validation/ValidationFailureDetails.java    | 2 --
 .../java/org/apache/ranger/plugin/policyengine/CacheMap.java | 1 -
 .../ranger/plugin/policyengine/RangerAccessRequestImpl.java  | 1 -
 .../plugin/policyengine/RangerAccessRequestReadOnly.java     | 2 --
 .../RangerDefaultPolicyResourceMatcher.java                  | 1 -
 .../org/apache/ranger/plugin/service/RangerBasePlugin.java   | 2 --
 .../org/apache/ranger/plugin/store/AbstractTagStore.java     | 1 -
 .../org/apache/ranger/plugin/store/file/FileStoreUtil.java   | 3 ---
 .../org/apache/ranger/plugin/store/file/TagFileStore.java    | 1 -
 .../apache/ranger/plugin/store/rest/ServiceRESTStore.java    | 1 -
 .../org/apache/ranger/plugin/util/GrantRevokeRequest.java    | 1 -
 .../authorization/hadoop/utils/RangerCredentialProvider.java | 3 +--
 .../org/apache/ranger/utils/install/XmlConfigChanger.java    | 3 ---
 dev-support/ranger-pmd-ruleset.xml                           | 2 --
 .../ranger/authorization/hadoop/RangerHdfsAuthorizer.java    | 1 -
 .../hive/authorizer/RangerHiveAccessRequest.java             | 1 -
 jisql/src/main/java/org/apache/util/sql/Jisql.java           | 3 +--
 .../java/org/apache/hadoop/crypto/key/JKS2RangerUtil.java    | 3 ---
 .../main/java/org/apache/hadoop/crypto/key/RangerKMSDB.java  | 2 --
 .../server/EagerKeyGeneratorKeyProviderCryptoExtension.java  | 1 -
 .../crypto/key/kms/server/KeyAuthorizationKeyProvider.java   | 1 -
 .../kafka/authorizer/RangerKafkaAuthorizer.java              | 5 -----
 .../authorization/kms/authorizer/RangerKmsAuthorizer.java    | 6 ------
 .../authorization/solr/authorizer/RangerSolrAuthorizer.java  | 2 --
 .../org/apache/ranger/services/yarn/client/YarnClient.java   | 3 ---
 .../authorization/hbase/RangerAuthorizationCoprocessor.java  | 3 +--
 .../main/java/org/apache/solr/common/cloud/ZkOperation.java  | 2 --
 .../src/main/java/org/apache/ranger/biz/RangerBizUtil.java   | 7 -------
 .../src/main/java/org/apache/ranger/biz/UserMgr.java         | 1 -
 .../main/java/org/apache/ranger/common/UserSessionBase.java  | 1 -
 .../java/org/apache/ranger/common/XMLPropertiesUtil.java     | 8 --------
 .../src/main/java/org/apache/ranger/db/XXEnumDefDao.java     | 1 -
 .../main/java/org/apache/ranger/db/XXEnumElementDefDao.java  | 1 -
 .../src/main/java/org/apache/ranger/db/XXServiceDao.java     | 2 --
 .../src/main/java/org/apache/ranger/db/XXServiceDefDao.java  | 3 ---
 .../main/java/org/apache/ranger/entity/XXUserPermission.java | 1 -
 .../java/org/apache/ranger/rest/ServiceTagsProcessor.java    | 2 --
 .../src/main/java/org/apache/ranger/rest/UserREST.java       | 1 -
 .../src/main/java/org/apache/ranger/rest/XKeyREST.java       | 1 -
 .../web/authentication/RangerAuthenticationEntryPoint.java   | 2 --
 .../security/web/filter/SSOAuthenticationProperties.java     | 3 ---
 .../org/apache/ranger/service/RangerBaseModelService.java    | 1 -
 .../org/apache/ranger/service/RangerServiceServiceBase.java  | 1 -
 .../src/main/java/org/apache/ranger/service/UserService.java | 2 --
 .../java/org/apache/ranger/service/XAuditMapService.java     | 4 ----
 .../org/apache/ranger/service/XGroupPermissionService.java   | 1 -
 .../main/java/org/apache/ranger/service/XGroupService.java   | 2 --
 .../java/org/apache/ranger/service/XResourceService.java     | 2 --
 .../src/main/java/org/apache/ranger/view/VXAccessAudit.java  | 1 -
 .../src/main/java/org/apache/ranger/view/VXModuleDef.java    | 2 --
 .../ranger/ldapusersync/process/CustomSSLSocketFactory.java  | 3 ---
 .../ranger/ldapusersync/process/LdapUserGroupBuilder.java    | 3 +--
 .../ldapusersync/process/PolicyMgrUserGroupBuilder.java      | 4 +---
 .../unixusersync/poc/RangerUpdateUserGroupMapping.java       | 2 --
 .../authentication/unix/jaas/RemoteUnixLoginModule.java      | 7 -------
 .../ranger/authentication/UnixAuthenticationService.java     | 1 -
 62 files changed, 10 insertions(+), 138 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-audit/src/main/java/org/apache/ranger/audit/dao/BaseDao.java
----------------------------------------------------------------------
diff --git a/agents-audit/src/main/java/org/apache/ranger/audit/dao/BaseDao.java b/agents-audit/src/main/java/org/apache/ranger/audit/dao/BaseDao.java
index 8c42d86..0cb7c39 100644
--- a/agents-audit/src/main/java/org/apache/ranger/audit/dao/BaseDao.java
+++ b/agents-audit/src/main/java/org/apache/ranger/audit/dao/BaseDao.java
@@ -26,7 +26,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 import javax.persistence.EntityManager;
-import javax.persistence.EntityManagerFactory;
 import javax.persistence.EntityTransaction;
 import javax.persistence.NoResultException;
 import javax.persistence.TypedQuery;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-audit/src/main/java/org/apache/ranger/audit/entity/AuthzAuditEventDbObj.java
----------------------------------------------------------------------
diff --git a/agents-audit/src/main/java/org/apache/ranger/audit/entity/AuthzAuditEventDbObj.java b/agents-audit/src/main/java/org/apache/ranger/audit/entity/AuthzAuditEventDbObj.java
index a4e8e0f..44580dc 100644
--- a/agents-audit/src/main/java/org/apache/ranger/audit/entity/AuthzAuditEventDbObj.java
+++ b/agents-audit/src/main/java/org/apache/ranger/audit/entity/AuthzAuditEventDbObj.java
@@ -36,7 +36,6 @@ import javax.persistence.SequenceGenerator;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.ranger.audit.model.EnumRepositoryType;
 import org.apache.ranger.audit.model.AuthzAuditEvent;
 import org.apache.ranger.audit.provider.MiscUtil;
 

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-audit/src/main/java/org/apache/ranger/audit/model/AuditEventBase.java
----------------------------------------------------------------------
diff --git a/agents-audit/src/main/java/org/apache/ranger/audit/model/AuditEventBase.java b/agents-audit/src/main/java/org/apache/ranger/audit/model/AuditEventBase.java
index 2a07e94..09e92b8 100644
--- a/agents-audit/src/main/java/org/apache/ranger/audit/model/AuditEventBase.java
+++ b/agents-audit/src/main/java/org/apache/ranger/audit/model/AuditEventBase.java
@@ -21,8 +21,6 @@ package org.apache.ranger.audit.model;
 
 import java.util.Date;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.ranger.audit.dao.DaoManager;
 
 public abstract class AuditEventBase {

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/client/HadoopConfigHolder.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/client/HadoopConfigHolder.java b/agents-common/src/main/java/org/apache/ranger/plugin/client/HadoopConfigHolder.java
index 9d14ae6..b7416b4 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/client/HadoopConfigHolder.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/client/HadoopConfigHolder.java
@@ -21,8 +21,11 @@
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.*;
-import java.util.Map.Entry;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerAbstractGeolocationProvider.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerAbstractGeolocationProvider.java b/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerAbstractGeolocationProvider.java
index e98fe04..c571061 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerAbstractGeolocationProvider.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerAbstractGeolocationProvider.java
@@ -19,11 +19,6 @@
 
 package org.apache.ranger.plugin.contextenricher;
 
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import com.google.gson.JsonParseException;
-import com.google.gson.JsonSyntaxException;
-import com.google.gson.reflect.TypeToken;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -32,7 +27,6 @@ import org.apache.ranger.plugin.geo.RangerGeolocationDatabase;
 import org.apache.ranger.plugin.policyengine.RangerAccessRequest;
 import org.apache.ranger.plugin.store.GeolocationStore;
 
-import java.lang.reflect.Type;
 import java.util.Map;
 
 public abstract class RangerAbstractGeolocationProvider extends RangerAbstractContextEnricher {

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerTagRetriever.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerTagRetriever.java b/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerTagRetriever.java
index 374e5c1..b6ab8dd 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerTagRetriever.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerTagRetriever.java
@@ -19,15 +19,11 @@
 
 package org.apache.ranger.plugin.contextenricher;
 
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.ranger.plugin.model.RangerServiceDef;
 import org.apache.ranger.plugin.util.ServiceTags;
 
-import java.io.*;
 import java.util.Map;
 
 public abstract class RangerTagRetriever {

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/ValidationFailureDetails.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/ValidationFailureDetails.java b/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/ValidationFailureDetails.java
index e9ad40a..9ea81a3 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/ValidationFailureDetails.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/ValidationFailureDetails.java
@@ -23,8 +23,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
 import java.util.Objects;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 public class ValidationFailureDetails {
 

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/CacheMap.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/CacheMap.java b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/CacheMap.java
index 42370cc..51f3f6b 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/CacheMap.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/CacheMap.java
@@ -20,7 +20,6 @@ package org.apache.ranger.plugin.policyengine;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.codehaus.jackson.map.ser.StdSerializers;
 
 import java.util.LinkedHashMap;
 import java.util.Map;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestImpl.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestImpl.java b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestImpl.java
index 411b3a6..c4550c4 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestImpl.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestImpl.java
@@ -26,7 +26,6 @@ import java.util.Map;
 import java.util.Set;
 
 import org.apache.commons.lang.StringUtils;
-import org.apache.ranger.authorization.utils.StringUtil;
 
 
 public class RangerAccessRequestImpl implements RangerAccessRequest {

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestReadOnly.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestReadOnly.java b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestReadOnly.java
index 796a9df..339aac5 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestReadOnly.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessRequestReadOnly.java
@@ -19,8 +19,6 @@
 
 package org.apache.ranger.plugin.policyengine;
 
-import org.apache.commons.lang.StringUtils;
-
 import java.util.Collections;
 import java.util.Date;
 import java.util.Map;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java b/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java
index 5031462..7c547f6 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java
@@ -21,7 +21,6 @@ package org.apache.ranger.plugin.policyresourcematcher;
 
 import java.util.Collection;
 import java.util.HashMap;
-import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
 import java.util.List;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java b/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java
index 24749bb..b864e61 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java
@@ -23,14 +23,12 @@ import java.util.Collection;
 import java.util.Hashtable;
 import java.util.Map;
 
-import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.ranger.admin.client.RangerAdminClient;
 import org.apache.ranger.admin.client.RangerAdminRESTClient;
 import org.apache.ranger.authorization.hadoop.config.RangerConfiguration;
-import org.apache.ranger.plugin.model.RangerPolicy;
 import org.apache.ranger.plugin.model.RangerServiceDef;
 import org.apache.ranger.plugin.policyengine.*;
 import org.apache.ranger.plugin.policyevaluator.RangerPolicyEvaluator;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/store/AbstractTagStore.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/store/AbstractTagStore.java b/agents-common/src/main/java/org/apache/ranger/plugin/store/AbstractTagStore.java
index 43d2254..7d2e130 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/store/AbstractTagStore.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/store/AbstractTagStore.java
@@ -22,7 +22,6 @@ package org.apache.ranger.plugin.store;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.ranger.plugin.model.*;
-import org.apache.ranger.plugin.util.SearchFilter;
 
 import java.util.*;
 

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/store/file/FileStoreUtil.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/store/file/FileStoreUtil.java b/agents-common/src/main/java/org/apache/ranger/plugin/store/file/FileStoreUtil.java
index 50de24b..c5b2150 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/store/file/FileStoreUtil.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/store/file/FileStoreUtil.java
@@ -24,9 +24,7 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
-import java.util.UUID;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -37,7 +35,6 @@ import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.PathFilter;
-import org.apache.ranger.plugin.model.RangerBaseModelObject;
 import org.apache.ranger.plugin.model.RangerPolicy;
 import org.apache.ranger.plugin.model.RangerService;
 import org.apache.ranger.plugin.model.RangerServiceDef;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/store/file/TagFileStore.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/store/file/TagFileStore.java b/agents-common/src/main/java/org/apache/ranger/plugin/store/file/TagFileStore.java
index 6f15fd1..58052cf 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/store/file/TagFileStore.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/store/file/TagFileStore.java
@@ -31,7 +31,6 @@ import org.apache.ranger.authorization.hadoop.config.RangerConfiguration;
 import org.apache.ranger.plugin.model.*;
 import org.apache.ranger.plugin.store.AbstractTagStore;
 import org.apache.ranger.plugin.store.PList;
-import org.apache.ranger.plugin.store.RangerServiceResourceSignature;
 import org.apache.ranger.plugin.store.TagPredicateUtil;
 import org.apache.ranger.plugin.store.TagStore;
 import org.apache.ranger.plugin.util.SearchFilter;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/store/rest/ServiceRESTStore.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/store/rest/ServiceRESTStore.java b/agents-common/src/main/java/org/apache/ranger/plugin/store/rest/ServiceRESTStore.java
index 2717551..cf81d1f 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/store/rest/ServiceRESTStore.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/store/rest/ServiceRESTStore.java
@@ -31,7 +31,6 @@ import org.apache.ranger.plugin.model.RangerPolicy;
 import org.apache.ranger.plugin.model.RangerService;
 import org.apache.ranger.plugin.model.RangerServiceDef;
 import org.apache.ranger.plugin.store.AbstractServiceStore;
-import org.apache.ranger.plugin.store.ServiceStore;
 import org.apache.ranger.plugin.util.RangerRESTClient;
 import org.apache.ranger.plugin.util.SearchFilter;
 import org.apache.ranger.plugin.util.ServicePolicies;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-common/src/main/java/org/apache/ranger/plugin/util/GrantRevokeRequest.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/util/GrantRevokeRequest.java b/agents-common/src/main/java/org/apache/ranger/plugin/util/GrantRevokeRequest.java
index 04eb484..bf4b6ef 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/util/GrantRevokeRequest.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/util/GrantRevokeRequest.java
@@ -20,7 +20,6 @@
 package org.apache.ranger.plugin.util;
 
 import java.io.Serializable;
-import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-cred/src/main/java/org/apache/ranger/authorization/hadoop/utils/RangerCredentialProvider.java
----------------------------------------------------------------------
diff --git a/agents-cred/src/main/java/org/apache/ranger/authorization/hadoop/utils/RangerCredentialProvider.java b/agents-cred/src/main/java/org/apache/ranger/authorization/hadoop/utils/RangerCredentialProvider.java
index 48d933b..21614f8 100644
--- a/agents-cred/src/main/java/org/apache/ranger/authorization/hadoop/utils/RangerCredentialProvider.java
+++ b/agents-cred/src/main/java/org/apache/ranger/authorization/hadoop/utils/RangerCredentialProvider.java
@@ -21,7 +21,6 @@
 
 import java.lang.String;
 import java.util.List;
-import java.io.IOException;
 
 import org.apache.hadoop.security.alias.CredentialProvider;
 import org.apache.hadoop.security.alias.CredentialProviderFactory;
@@ -82,4 +81,4 @@ public class RangerCredentialProvider {
    return null;
   }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/agents-installer/src/main/java/org/apache/ranger/utils/install/XmlConfigChanger.java
----------------------------------------------------------------------
diff --git a/agents-installer/src/main/java/org/apache/ranger/utils/install/XmlConfigChanger.java b/agents-installer/src/main/java/org/apache/ranger/utils/install/XmlConfigChanger.java
index 958ae83..9d0cbed 100644
--- a/agents-installer/src/main/java/org/apache/ranger/utils/install/XmlConfigChanger.java
+++ b/agents-installer/src/main/java/org/apache/ranger/utils/install/XmlConfigChanger.java
@@ -25,8 +25,6 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
 import java.util.Properties;
 
 import javax.xml.parsers.DocumentBuilder;
@@ -47,7 +45,6 @@ import org.apache.commons.cli.Option;
 import org.apache.commons.cli.OptionBuilder;
 import org.apache.commons.cli.Options;
 import org.apache.commons.cli.ParseException;
-import org.apache.commons.lang.StringUtils;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/dev-support/ranger-pmd-ruleset.xml
----------------------------------------------------------------------
diff --git a/dev-support/ranger-pmd-ruleset.xml b/dev-support/ranger-pmd-ruleset.xml
index 5dd3851..484f943 100644
--- a/dev-support/ranger-pmd-ruleset.xml
+++ b/dev-support/ranger-pmd-ruleset.xml
@@ -44,10 +44,8 @@
   </rule>
   <rule ref="rulesets/java/imports.xml" >
 	<exclude name="DontImportJavaLang" />
-	<exclude name="DuplicateImports" />
 	<exclude name="ImportFromSamePackage" />
 	<exclude name="UnnecessaryFullyQualifiedName" />
-	<exclude name="UnusedImports" />
   </rule>
   <rule ref="rulesets/java/braces.xml">
 	<exclude name="ForLoopsMustUseBraces" />

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/hdfs-agent/src/main/java/org/apache/ranger/authorization/hadoop/RangerHdfsAuthorizer.java
----------------------------------------------------------------------
diff --git a/hdfs-agent/src/main/java/org/apache/ranger/authorization/hadoop/RangerHdfsAuthorizer.java b/hdfs-agent/src/main/java/org/apache/ranger/authorization/hadoop/RangerHdfsAuthorizer.java
index eb63f9e..b463da3 100644
--- a/hdfs-agent/src/main/java/org/apache/ranger/authorization/hadoop/RangerHdfsAuthorizer.java
+++ b/hdfs-agent/src/main/java/org/apache/ranger/authorization/hadoop/RangerHdfsAuthorizer.java
@@ -48,7 +48,6 @@ import org.apache.ranger.audit.model.AuthzAuditEvent;
 import org.apache.ranger.authorization.hadoop.config.RangerConfiguration;
 import org.apache.ranger.authorization.hadoop.constants.RangerHadoopConstants;
 import org.apache.ranger.authorization.hadoop.exceptions.RangerAccessControlException;
-import org.apache.ranger.authorization.utils.StringUtil;
 import org.apache.ranger.plugin.audit.RangerDefaultAuditHandler;
 import org.apache.ranger.plugin.policyengine.RangerAccessRequest;
 import org.apache.ranger.plugin.policyengine.RangerAccessRequestImpl;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAccessRequest.java
----------------------------------------------------------------------
diff --git a/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAccessRequest.java b/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAccessRequest.java
index 94e3419..c43af8e 100644
--- a/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAccessRequest.java
+++ b/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAccessRequest.java
@@ -25,7 +25,6 @@ import java.util.Set;
 import org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthzContext;
 import org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthzSessionContext;
 import org.apache.hadoop.hive.ql.security.authorization.plugin.HiveOperationType;
-import org.apache.ranger.authorization.utils.StringUtil;
 import org.apache.ranger.plugin.policyengine.RangerAccessRequestImpl;
 import org.apache.ranger.plugin.policyengine.RangerPolicyEngine;
 import org.apache.ranger.plugin.util.RangerAccessRequestUtil;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/jisql/src/main/java/org/apache/util/sql/Jisql.java
----------------------------------------------------------------------
diff --git a/jisql/src/main/java/org/apache/util/sql/Jisql.java b/jisql/src/main/java/org/apache/util/sql/Jisql.java
index d00b131..36c4340 100644
--- a/jisql/src/main/java/org/apache/util/sql/Jisql.java
+++ b/jisql/src/main/java/org/apache/util/sql/Jisql.java
@@ -15,7 +15,6 @@
 package org.apache.util.sql;
 
 import java.io.BufferedReader;
-import java.io.Console;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
@@ -721,7 +720,7 @@ public class Jisql {
 
         if ((password == null) && (passwordFileName == null)) {
             password="";
-            //Console console = System.console();
+            //java.io.Console console = System.console();
             //password = new String( console.readPassword("Password (hit enter for no password): ") );
         }
         else if (password == null) {

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/kms/src/main/java/org/apache/hadoop/crypto/key/JKS2RangerUtil.java
----------------------------------------------------------------------
diff --git a/kms/src/main/java/org/apache/hadoop/crypto/key/JKS2RangerUtil.java b/kms/src/main/java/org/apache/hadoop/crypto/key/JKS2RangerUtil.java
index 65d3db2..68ac0ed 100644
--- a/kms/src/main/java/org/apache/hadoop/crypto/key/JKS2RangerUtil.java
+++ b/kms/src/main/java/org/apache/hadoop/crypto/key/JKS2RangerUtil.java
@@ -22,14 +22,11 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.net.URI;
 import java.nio.charset.Charset;
 import java.security.KeyStore;
 import java.security.KeyStoreException;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.security.ProviderUtils;
 import org.apache.ranger.kms.dao.DaoManager;
 
 public class JKS2RangerUtil {

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/kms/src/main/java/org/apache/hadoop/crypto/key/RangerKMSDB.java
----------------------------------------------------------------------
diff --git a/kms/src/main/java/org/apache/hadoop/crypto/key/RangerKMSDB.java b/kms/src/main/java/org/apache/hadoop/crypto/key/RangerKMSDB.java
index 0a31dca..b11a778 100755
--- a/kms/src/main/java/org/apache/hadoop/crypto/key/RangerKMSDB.java
+++ b/kms/src/main/java/org/apache/hadoop/crypto/key/RangerKMSDB.java
@@ -19,8 +19,6 @@ package org.apache.hadoop.crypto.key;
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
-import java.util.Iterator;
 
 import javax.persistence.EntityManager;
 import javax.persistence.EntityManagerFactory;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/EagerKeyGeneratorKeyProviderCryptoExtension.java
----------------------------------------------------------------------
diff --git a/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/EagerKeyGeneratorKeyProviderCryptoExtension.java b/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/EagerKeyGeneratorKeyProviderCryptoExtension.java
index 64af2b6..f853a84 100644
--- a/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/EagerKeyGeneratorKeyProviderCryptoExtension.java
+++ b/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/EagerKeyGeneratorKeyProviderCryptoExtension.java
@@ -28,7 +28,6 @@ import java.util.concurrent.ExecutionException;
 
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.crypto.key.KeyProvider;
 import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension;
 import org.apache.hadoop.crypto.key.kms.ValueQueue;
 import org.apache.hadoop.crypto.key.kms.ValueQueue.SyncGenerationPolicy;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/KeyAuthorizationKeyProvider.java
----------------------------------------------------------------------
diff --git a/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/KeyAuthorizationKeyProvider.java b/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/KeyAuthorizationKeyProvider.java
index 201ecbb..ba4c043 100755
--- a/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/KeyAuthorizationKeyProvider.java
+++ b/kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/KeyAuthorizationKeyProvider.java
@@ -27,7 +27,6 @@ import java.util.Map;
 import org.apache.hadoop.crypto.key.KeyProvider;
 import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension;
 import org.apache.hadoop.crypto.key.kms.server.KMS.KMSOp;
-import org.apache.hadoop.crypto.key.kms.server.KMSACLsType.Type;
 import org.apache.hadoop.security.AccessControlException;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.authorize.AuthorizationException;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/plugin-kafka/src/main/java/org/apache/ranger/authorization/kafka/authorizer/RangerKafkaAuthorizer.java
----------------------------------------------------------------------
diff --git a/plugin-kafka/src/main/java/org/apache/ranger/authorization/kafka/authorizer/RangerKafkaAuthorizer.java b/plugin-kafka/src/main/java/org/apache/ranger/authorization/kafka/authorizer/RangerKafkaAuthorizer.java
index dd149e1..0709919 100644
--- a/plugin-kafka/src/main/java/org/apache/ranger/authorization/kafka/authorizer/RangerKafkaAuthorizer.java
+++ b/plugin-kafka/src/main/java/org/apache/ranger/authorization/kafka/authorizer/RangerKafkaAuthorizer.java
@@ -24,14 +24,10 @@ import java.util.Map;
 
 import javax.security.auth.Subject;
 
-import kafka.security.auth.Acl;
-import kafka.security.auth.Authorizer;
-
 import org.apache.kafka.common.network.LoginType;
 import org.apache.kafka.common.security.auth.KafkaPrincipal;
 
 import kafka.security.auth.*;
-import kafka.server.KafkaConfig;
 import kafka.network.RequestChannel.Session;
 
 import org.apache.commons.lang.StringUtils;
@@ -40,7 +36,6 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.kafka.common.security.kerberos.LoginManager;
 import org.apache.ranger.audit.provider.MiscUtil;
-import org.apache.ranger.authorization.utils.StringUtil;
 import org.apache.ranger.plugin.audit.RangerDefaultAuditHandler;
 import org.apache.ranger.plugin.policyengine.RangerAccessRequestImpl;
 import org.apache.ranger.plugin.policyengine.RangerAccessResourceImpl;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/plugin-kms/src/main/java/org/apache/ranger/authorization/kms/authorizer/RangerKmsAuthorizer.java
----------------------------------------------------------------------
diff --git a/plugin-kms/src/main/java/org/apache/ranger/authorization/kms/authorizer/RangerKmsAuthorizer.java b/plugin-kms/src/main/java/org/apache/ranger/authorization/kms/authorizer/RangerKmsAuthorizer.java
index 2324f8d..34ac4b9 100755
--- a/plugin-kms/src/main/java/org/apache/ranger/authorization/kms/authorizer/RangerKmsAuthorizer.java
+++ b/plugin-kms/src/main/java/org/apache/ranger/authorization/kms/authorizer/RangerKmsAuthorizer.java
@@ -19,15 +19,12 @@
 
 package org.apache.ranger.authorization.kms.authorizer;
 
-import java.net.InetAddress;
-import java.net.UnknownHostException;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
-import java.util.regex.Pattern;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.crypto.key.kms.server.KMSACLsType;
@@ -37,19 +34,16 @@ import org.apache.hadoop.crypto.key.kms.server.KMS.KMSOp;
 import org.apache.hadoop.crypto.key.kms.server.KMSACLsType.Type;
 import org.apache.hadoop.crypto.key.kms.server.KeyAuthorizationKeyProvider.KeyACLs;
 import org.apache.hadoop.crypto.key.kms.server.KeyAuthorizationKeyProvider.KeyOpType;
-import org.apache.hadoop.ipc.Server;
 import org.apache.hadoop.security.AccessControlException;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.authorize.AccessControlList;
 import org.apache.hadoop.security.authorize.AuthorizationException;
 import org.apache.ranger.audit.provider.MiscUtil;
-import org.apache.ranger.authorization.utils.StringUtil;
 import org.apache.ranger.plugin.audit.RangerDefaultAuditHandler;
 import org.apache.ranger.plugin.policyengine.RangerAccessRequestImpl;
 import org.apache.ranger.plugin.policyengine.RangerAccessResourceImpl;
 import org.apache.ranger.plugin.policyengine.RangerAccessResult;
 import org.apache.ranger.plugin.service.RangerBasePlugin;
-import org.mortbay.log.Log;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/plugin-solr/src/main/java/org/apache/ranger/authorization/solr/authorizer/RangerSolrAuthorizer.java
----------------------------------------------------------------------
diff --git a/plugin-solr/src/main/java/org/apache/ranger/authorization/solr/authorizer/RangerSolrAuthorizer.java b/plugin-solr/src/main/java/org/apache/ranger/authorization/solr/authorizer/RangerSolrAuthorizer.java
index e52493a..a1b5817 100644
--- a/plugin-solr/src/main/java/org/apache/ranger/authorization/solr/authorizer/RangerSolrAuthorizer.java
+++ b/plugin-solr/src/main/java/org/apache/ranger/authorization/solr/authorizer/RangerSolrAuthorizer.java
@@ -29,13 +29,11 @@ import java.util.Map;
 import java.util.Set;
 
 import javax.security.auth.login.Configuration;
-import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.ranger.audit.provider.MiscUtil;
 import org.apache.ranger.authorization.hadoop.config.RangerConfiguration;
-import org.apache.ranger.authorization.utils.StringUtil;
 import org.apache.ranger.plugin.audit.RangerMultiResourceAuditHandler;
 import org.apache.ranger.plugin.policyengine.RangerAccessRequestImpl;
 import org.apache.ranger.plugin.policyengine.RangerAccessResourceImpl;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/plugin-yarn/src/main/java/org/apache/ranger/services/yarn/client/YarnClient.java
----------------------------------------------------------------------
diff --git a/plugin-yarn/src/main/java/org/apache/ranger/services/yarn/client/YarnClient.java b/plugin-yarn/src/main/java/org/apache/ranger/services/yarn/client/YarnClient.java
index 0f3ed89..c29cf45 100644
--- a/plugin-yarn/src/main/java/org/apache/ranger/services/yarn/client/YarnClient.java
+++ b/plugin-yarn/src/main/java/org/apache/ranger/services/yarn/client/YarnClient.java
@@ -19,8 +19,6 @@
 
 package org.apache.ranger.services.yarn.client;
 
-import java.net.Authenticator;
-import java.net.PasswordAuthentication;
 import java.security.PrivilegedAction;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -31,7 +29,6 @@ import java.util.concurrent.TimeUnit;
 
 import javax.security.auth.Subject;
 
-import org.apache.commons.io.FilenameUtils;
 import org.apache.log4j.Logger;
 import org.apache.ranger.plugin.client.BaseClient;
 import org.apache.ranger.plugin.client.HadoopException;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/ranger-hbase-plugin-shim/src/main/java/org/apache/ranger/authorization/hbase/RangerAuthorizationCoprocessor.java
----------------------------------------------------------------------
diff --git a/ranger-hbase-plugin-shim/src/main/java/org/apache/ranger/authorization/hbase/RangerAuthorizationCoprocessor.java b/ranger-hbase-plugin-shim/src/main/java/org/apache/ranger/authorization/hbase/RangerAuthorizationCoprocessor.java
index 8218f62..7ecaf72 100644
--- a/ranger-hbase-plugin-shim/src/main/java/org/apache/ranger/authorization/hbase/RangerAuthorizationCoprocessor.java
+++ b/ranger-hbase-plugin-shim/src/main/java/org/apache/ranger/authorization/hbase/RangerAuthorizationCoprocessor.java
@@ -92,7 +92,6 @@ import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;
 import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
 import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
 import org.apache.hadoop.hbase.replication.ReplicationEndpoint;
-import org.apache.hadoop.hbase.security.access.RangerAccessControlLists;
 import org.apache.hadoop.hbase.util.Pair;
 import org.apache.hadoop.hbase.wal.WALKey;
 import org.apache.ranger.plugin.classloader.RangerPluginClassLoader;
@@ -3773,4 +3772,4 @@ public class RangerAuthorizationCoprocessor implements MasterObserver, RegionObs
 			rangerPluginClassLoader.deactivate();
 		}
 	}
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/ranger_solrj/src/main/java/org/apache/solr/common/cloud/ZkOperation.java
----------------------------------------------------------------------
diff --git a/ranger_solrj/src/main/java/org/apache/solr/common/cloud/ZkOperation.java b/ranger_solrj/src/main/java/org/apache/solr/common/cloud/ZkOperation.java
index b4da540..9ea283b 100644
--- a/ranger_solrj/src/main/java/org/apache/solr/common/cloud/ZkOperation.java
+++ b/ranger_solrj/src/main/java/org/apache/solr/common/cloud/ZkOperation.java
@@ -17,8 +17,6 @@
  */
 package org.apache.solr.common.cloud;
 
-import java.io.IOException;
-
 import org.apache.zookeeper.KeeperException;
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/biz/RangerBizUtil.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/biz/RangerBizUtil.java b/security-admin/src/main/java/org/apache/ranger/biz/RangerBizUtil.java
index a672c15..5905fc9 100644
--- a/security-admin/src/main/java/org/apache/ranger/biz/RangerBizUtil.java
+++ b/security-admin/src/main/java/org/apache/ranger/biz/RangerBizUtil.java
@@ -44,7 +44,6 @@ import org.apache.ranger.common.RangerConstants;
 import org.apache.ranger.common.StringUtil;
 import org.apache.ranger.common.UserSessionBase;
 import org.apache.ranger.common.db.BaseDao;
-import org.apache.ranger.common.view.VList;
 import org.apache.ranger.db.RangerDaoManager;
 import org.apache.ranger.entity.XXAsset;
 import org.apache.ranger.entity.XXDBBase;
@@ -53,16 +52,12 @@ import org.apache.ranger.entity.XXPermMap;
 import org.apache.ranger.entity.XXPortalUser;
 import org.apache.ranger.entity.XXResource;
 import org.apache.ranger.entity.XXService;
-import org.apache.ranger.entity.XXServiceBase;
 import org.apache.ranger.entity.XXServiceDef;
 import org.apache.ranger.entity.XXTrxLog;
 import org.apache.ranger.entity.XXUser;
 import org.apache.ranger.plugin.model.RangerBaseModelObject;
-import org.apache.ranger.plugin.model.RangerService;
-import org.apache.ranger.plugin.model.RangerServiceDef;
 import org.apache.ranger.plugin.store.EmbeddedServiceDefsUtil;
 import org.apache.ranger.service.AbstractBaseResourceService;
-import org.apache.ranger.view.RangerServiceDefList;
 import org.apache.ranger.view.VXDataObject;
 import org.apache.ranger.view.VXPortalUser;
 import org.apache.ranger.view.VXResource;
@@ -73,8 +68,6 @@ import org.apache.ranger.view.VXUser;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
-import com.sun.xml.internal.rngom.xml.sax.XmlBaseHandler;
-
 @Component
 public class RangerBizUtil {
 	static final Logger logger = Logger.getLogger(RangerBizUtil.class);

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/biz/UserMgr.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/biz/UserMgr.java b/security-admin/src/main/java/org/apache/ranger/biz/UserMgr.java
index fd49e05..3e5b30b 100644
--- a/security-admin/src/main/java/org/apache/ranger/biz/UserMgr.java
+++ b/security-admin/src/main/java/org/apache/ranger/biz/UserMgr.java
@@ -25,7 +25,6 @@ import java.util.HashMap;
 import java.util.List;
 
 import javax.persistence.Query;
-import javax.servlet.http.HttpServletResponse;
 
 import org.apache.log4j.Logger;
 import org.apache.ranger.common.AppConstants;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/common/UserSessionBase.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/common/UserSessionBase.java b/security-admin/src/main/java/org/apache/ranger/common/UserSessionBase.java
index ff2a2d3..144a408 100644
--- a/security-admin/src/main/java/org/apache/ranger/common/UserSessionBase.java
+++ b/security-admin/src/main/java/org/apache/ranger/common/UserSessionBase.java
@@ -22,7 +22,6 @@
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
 import java.util.concurrent.CopyOnWriteArraySet;
 
 import org.apache.ranger.entity.XXAuthSession;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/common/XMLPropertiesUtil.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/common/XMLPropertiesUtil.java b/security-admin/src/main/java/org/apache/ranger/common/XMLPropertiesUtil.java
index 521fe2f..8fd6196 100644
--- a/security-admin/src/main/java/org/apache/ranger/common/XMLPropertiesUtil.java
+++ b/security-admin/src/main/java/org/apache/ranger/common/XMLPropertiesUtil.java
@@ -19,21 +19,13 @@
 
 package org.apache.ranger.common;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
 import java.util.Properties;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 
-import org.apache.hadoop.conf.Configuration;
 import org.apache.log4j.Logger;
 import org.springframework.util.DefaultPropertiesPersister;
 import org.w3c.dom.Document;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/db/XXEnumDefDao.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/db/XXEnumDefDao.java b/security-admin/src/main/java/org/apache/ranger/db/XXEnumDefDao.java
index 18db1a9..2590455 100644
--- a/security-admin/src/main/java/org/apache/ranger/db/XXEnumDefDao.java
+++ b/security-admin/src/main/java/org/apache/ranger/db/XXEnumDefDao.java
@@ -24,7 +24,6 @@ import javax.persistence.NoResultException;
 
 import org.apache.ranger.common.db.BaseDao;
 import org.apache.ranger.entity.XXEnumDef;
-import org.apache.ranger.entity.XXPolicyConditionDef;
 
 public class XXEnumDefDao extends BaseDao<XXEnumDef> {
 

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/db/XXEnumElementDefDao.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/db/XXEnumElementDefDao.java b/security-admin/src/main/java/org/apache/ranger/db/XXEnumElementDefDao.java
index 64b09fa..4b7fb70 100644
--- a/security-admin/src/main/java/org/apache/ranger/db/XXEnumElementDefDao.java
+++ b/security-admin/src/main/java/org/apache/ranger/db/XXEnumElementDefDao.java
@@ -24,7 +24,6 @@ import javax.persistence.NoResultException;
 
 import org.apache.ranger.common.db.BaseDao;
 import org.apache.ranger.entity.XXEnumElementDef;
-import org.apache.ranger.plugin.model.RangerServiceDef.RangerEnumElementDef;
 
 public class XXEnumElementDefDao extends BaseDao<XXEnumElementDef> {
 

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/db/XXServiceDao.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/db/XXServiceDao.java b/security-admin/src/main/java/org/apache/ranger/db/XXServiceDao.java
index adc13c6..240345f 100644
--- a/security-admin/src/main/java/org/apache/ranger/db/XXServiceDao.java
+++ b/security-admin/src/main/java/org/apache/ranger/db/XXServiceDao.java
@@ -22,8 +22,6 @@ import java.util.List;
 
 import javax.persistence.NoResultException;
 
-import org.apache.ranger.biz.RangerBizUtil;
-import org.apache.ranger.common.AppConstants;
 import org.apache.ranger.common.db.BaseDao;
 import org.apache.ranger.entity.XXService;
 

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/db/XXServiceDefDao.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/db/XXServiceDefDao.java b/security-admin/src/main/java/org/apache/ranger/db/XXServiceDefDao.java
index d4f182c..dd32c3a 100644
--- a/security-admin/src/main/java/org/apache/ranger/db/XXServiceDefDao.java
+++ b/security-admin/src/main/java/org/apache/ranger/db/XXServiceDefDao.java
@@ -17,9 +17,6 @@
 
 package org.apache.ranger.db;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import javax.persistence.NoResultException;
 
 import org.apache.ranger.common.db.BaseDao;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/entity/XXUserPermission.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/entity/XXUserPermission.java b/security-admin/src/main/java/org/apache/ranger/entity/XXUserPermission.java
index 7bf8f19..fe687e0 100644
--- a/security-admin/src/main/java/org/apache/ranger/entity/XXUserPermission.java
+++ b/security-admin/src/main/java/org/apache/ranger/entity/XXUserPermission.java
@@ -27,7 +27,6 @@ import javax.persistence.Table;
 import javax.xml.bind.annotation.XmlRootElement;
 import org.apache.ranger.common.AppConstants;
 import org.apache.ranger.common.RangerCommonEnums;
-import com.sun.research.ws.wadl.Application;
 
 @Entity
 @Table(name = "x_user_module_perm")

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/rest/ServiceTagsProcessor.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/rest/ServiceTagsProcessor.java b/security-admin/src/main/java/org/apache/ranger/rest/ServiceTagsProcessor.java
index 1dcc242..f81ee82 100644
--- a/security-admin/src/main/java/org/apache/ranger/rest/ServiceTagsProcessor.java
+++ b/security-admin/src/main/java/org/apache/ranger/rest/ServiceTagsProcessor.java
@@ -30,10 +30,8 @@ import org.apache.ranger.plugin.model.RangerTagDef;
 import org.apache.ranger.plugin.model.RangerTagResourceMap;
 import org.apache.ranger.plugin.store.RangerServiceResourceSignature;
 import org.apache.ranger.plugin.store.TagStore;
-import org.apache.ranger.plugin.util.SearchFilter;
 import org.apache.ranger.plugin.util.ServiceTags;
 
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/rest/UserREST.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/rest/UserREST.java b/security-admin/src/main/java/org/apache/ranger/rest/UserREST.java
index 4c5e890..3fad7b4 100644
--- a/security-admin/src/main/java/org/apache/ranger/rest/UserREST.java
+++ b/security-admin/src/main/java/org/apache/ranger/rest/UserREST.java
@@ -46,7 +46,6 @@ import org.apache.ranger.common.annotation.RangerAnnotationRestAPI;
 import org.apache.ranger.db.RangerDaoManager;
 import org.apache.ranger.entity.XXPortalUser;
 import org.apache.ranger.security.context.RangerAPIList;
-import org.apache.ranger.security.context.RangerPreAuthSecurityHandler;
 import org.apache.ranger.util.RangerRestUtil;
 import org.apache.ranger.view.VXPasswordChange;
 import org.apache.ranger.view.VXPortalUser;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/rest/XKeyREST.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/rest/XKeyREST.java b/security-admin/src/main/java/org/apache/ranger/rest/XKeyREST.java
index c374f8e..b07bf9c 100755
--- a/security-admin/src/main/java/org/apache/ranger/rest/XKeyREST.java
+++ b/security-admin/src/main/java/org/apache/ranger/rest/XKeyREST.java
@@ -36,7 +36,6 @@ import org.apache.ranger.common.RESTErrorUtil;
 import org.apache.ranger.common.SearchUtil;
 import org.apache.ranger.common.annotation.RangerAnnotationJSMgrName;
 import org.apache.ranger.security.context.RangerAPIList;
-import org.apache.ranger.security.context.RangerPreAuthSecurityHandler;
 import org.apache.ranger.view.VXKmsKey;
 import org.apache.ranger.view.VXKmsKeyList;
 import org.codehaus.jettison.json.JSONException;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/security/web/authentication/RangerAuthenticationEntryPoint.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/security/web/authentication/RangerAuthenticationEntryPoint.java b/security-admin/src/main/java/org/apache/ranger/security/web/authentication/RangerAuthenticationEntryPoint.java
index b3d59eb..6496698 100644
--- a/security-admin/src/main/java/org/apache/ranger/security/web/authentication/RangerAuthenticationEntryPoint.java
+++ b/security-admin/src/main/java/org/apache/ranger/security/web/authentication/RangerAuthenticationEntryPoint.java
@@ -23,12 +23,10 @@
 package org.apache.ranger.security.web.authentication;
 
 import java.io.IOException;
-import java.util.Date;
 
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-import javax.servlet.http.HttpSession;
 
 import org.apache.log4j.Logger;
 import org.apache.ranger.biz.SessionMgr;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/security/web/filter/SSOAuthenticationProperties.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/security/web/filter/SSOAuthenticationProperties.java b/security-admin/src/main/java/org/apache/ranger/security/web/filter/SSOAuthenticationProperties.java
index e48e7e5..8719b26 100644
--- a/security-admin/src/main/java/org/apache/ranger/security/web/filter/SSOAuthenticationProperties.java
+++ b/security-admin/src/main/java/org/apache/ranger/security/web/filter/SSOAuthenticationProperties.java
@@ -20,9 +20,6 @@
 package org.apache.ranger.security.web.filter;
 
 import java.security.interfaces.RSAPublicKey;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
 
 public class SSOAuthenticationProperties {
 

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/service/RangerBaseModelService.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/service/RangerBaseModelService.java b/security-admin/src/main/java/org/apache/ranger/service/RangerBaseModelService.java
index bec3572..2d5440d 100644
--- a/security-admin/src/main/java/org/apache/ranger/service/RangerBaseModelService.java
+++ b/security-admin/src/main/java/org/apache/ranger/service/RangerBaseModelService.java
@@ -21,7 +21,6 @@ import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.TypeVariable;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Date;
 import java.util.List;
 
 import javax.persistence.EntityManager;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/service/RangerServiceServiceBase.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/service/RangerServiceServiceBase.java b/security-admin/src/main/java/org/apache/ranger/service/RangerServiceServiceBase.java
index e7960e4..594d091 100755
--- a/security-admin/src/main/java/org/apache/ranger/service/RangerServiceServiceBase.java
+++ b/security-admin/src/main/java/org/apache/ranger/service/RangerServiceServiceBase.java
@@ -32,7 +32,6 @@ import org.apache.ranger.entity.XXService;
 import org.apache.ranger.entity.XXServiceBase;
 import org.apache.ranger.entity.XXServiceDef;
 import org.apache.ranger.plugin.model.RangerService;
-import org.apache.ranger.plugin.model.RangerServiceDef;
 import org.apache.ranger.plugin.util.SearchFilter;
 import org.apache.ranger.view.RangerServiceList;
 import org.springframework.beans.factory.annotation.Autowired;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/service/UserService.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/service/UserService.java b/security-admin/src/main/java/org/apache/ranger/service/UserService.java
index 530244f..5c12793 100644
--- a/security-admin/src/main/java/org/apache/ranger/service/UserService.java
+++ b/security-admin/src/main/java/org/apache/ranger/service/UserService.java
@@ -32,11 +32,9 @@ import org.apache.ranger.common.StringUtil;
 import org.apache.ranger.common.UserSessionBase;
 import org.apache.ranger.entity.XXPortalUser;
 import org.apache.ranger.entity.XXPortalUserRole;
-import org.apache.ranger.entity.XXUserPermission;
 import org.apache.ranger.view.VXMessage;
 import org.apache.ranger.view.VXPortalUser;
 import org.apache.ranger.view.VXResponse;
-import org.apache.ranger.view.VXUserPermission;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Scope;
 import org.springframework.stereotype.Service;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/service/XAuditMapService.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/service/XAuditMapService.java b/security-admin/src/main/java/org/apache/ranger/service/XAuditMapService.java
index a6ba2e2..e118494 100644
--- a/security-admin/src/main/java/org/apache/ranger/service/XAuditMapService.java
+++ b/security-admin/src/main/java/org/apache/ranger/service/XAuditMapService.java
@@ -26,21 +26,17 @@ import java.util.List;
 
 import org.apache.ranger.biz.RangerBizUtil;
 import org.apache.ranger.common.AppConstants;
-import org.apache.ranger.common.ContextUtil;
 import org.apache.ranger.common.SearchCriteria;
 import org.apache.ranger.common.SearchField;
-import org.apache.ranger.common.UserSessionBase;
 import org.apache.ranger.common.view.VTrxLogAttr;
 import org.apache.ranger.db.RangerDaoManager;
 import org.apache.ranger.entity.XXAuditMap;
 import org.apache.ranger.entity.XXPortalUser;
-import org.apache.ranger.entity.XXResource;
 import org.apache.ranger.entity.XXTrxLog;
 import org.apache.ranger.entity.XXUser;
 import org.apache.ranger.util.RangerEnumUtil;
 import org.apache.ranger.view.VXAuditMap;
 import org.apache.ranger.view.VXAuditMapList;
-import org.apache.ranger.view.VXResponse;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Scope;
 import org.springframework.stereotype.Service;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/service/XGroupPermissionService.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/service/XGroupPermissionService.java b/security-admin/src/main/java/org/apache/ranger/service/XGroupPermissionService.java
index c3bc78d..20c3b67 100644
--- a/security-admin/src/main/java/org/apache/ranger/service/XGroupPermissionService.java
+++ b/security-admin/src/main/java/org/apache/ranger/service/XGroupPermissionService.java
@@ -22,7 +22,6 @@ import org.apache.ranger.common.SearchField;
 import org.apache.ranger.db.RangerDaoManager;
 import org.apache.ranger.entity.XXGroup;
 import org.apache.ranger.entity.XXGroupPermission;
-import org.apache.ranger.entity.XXUserPermission;
 import org.apache.ranger.view.VXGroupPermission;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Scope;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/service/XGroupService.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/service/XGroupService.java b/security-admin/src/main/java/org/apache/ranger/service/XGroupService.java
index 7f2ab83..7eb760a 100644
--- a/security-admin/src/main/java/org/apache/ranger/service/XGroupService.java
+++ b/security-admin/src/main/java/org/apache/ranger/service/XGroupService.java
@@ -36,10 +36,8 @@ import org.apache.ranger.entity.XXAsset;
 import org.apache.ranger.entity.XXGroup;
 import org.apache.ranger.entity.XXPortalUser;
 import org.apache.ranger.entity.XXTrxLog;
-import org.apache.ranger.entity.XXUser;
 import org.apache.ranger.util.RangerEnumUtil;
 import org.apache.ranger.view.VXGroup;
-import org.apache.ranger.view.VXUser;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Scope;
 import org.springframework.stereotype.Service;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/service/XResourceService.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/service/XResourceService.java b/security-admin/src/main/java/org/apache/ranger/service/XResourceService.java
index 63bc0fa..77d6c8c 100644
--- a/security-admin/src/main/java/org/apache/ranger/service/XResourceService.java
+++ b/security-admin/src/main/java/org/apache/ranger/service/XResourceService.java
@@ -52,9 +52,7 @@ import org.apache.ranger.entity.XXTrxLog;
 import org.apache.ranger.entity.XXUser;
 import org.apache.ranger.util.RangerEnumUtil;
 import org.apache.ranger.view.VXAuditMap;
-import org.apache.ranger.view.VXAuditMapList;
 import org.apache.ranger.view.VXPermMap;
-import org.apache.ranger.view.VXPermMapList;
 import org.apache.ranger.view.VXResource;
 import org.apache.ranger.view.VXResourceList;
 import org.apache.ranger.view.VXResponse;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/view/VXAccessAudit.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/view/VXAccessAudit.java b/security-admin/src/main/java/org/apache/ranger/view/VXAccessAudit.java
index 9f0a97c..e3a72cf 100644
--- a/security-admin/src/main/java/org/apache/ranger/view/VXAccessAudit.java
+++ b/security-admin/src/main/java/org/apache/ranger/view/VXAccessAudit.java
@@ -26,7 +26,6 @@
 
 import java.util.Date;
 
-import javax.persistence.Column;
 import javax.xml.bind.annotation.XmlRootElement;
 
 import org.apache.ranger.common.AppConstants;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/security-admin/src/main/java/org/apache/ranger/view/VXModuleDef.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/view/VXModuleDef.java b/security-admin/src/main/java/org/apache/ranger/view/VXModuleDef.java
index 0c9ee5e..e561ec9 100644
--- a/security-admin/src/main/java/org/apache/ranger/view/VXModuleDef.java
+++ b/security-admin/src/main/java/org/apache/ranger/view/VXModuleDef.java
@@ -21,8 +21,6 @@ import java.util.Date;
 import java.util.List;
 
 import javax.xml.bind.annotation.XmlRootElement;
-import org.apache.ranger.entity.XXGroupPermission;
-import org.apache.ranger.entity.XXUserPermission;
 import org.codehaus.jackson.annotate.JsonAutoDetect;
 import org.codehaus.jackson.annotate.JsonAutoDetect.Visibility;
 import org.codehaus.jackson.annotate.JsonIgnoreProperties;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/CustomSSLSocketFactory.java
----------------------------------------------------------------------
diff --git a/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/CustomSSLSocketFactory.java b/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/CustomSSLSocketFactory.java
index 9458e68..65a4ebc 100644
--- a/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/CustomSSLSocketFactory.java
+++ b/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/CustomSSLSocketFactory.java
@@ -30,12 +30,9 @@ import java.net.UnknownHostException;
 import java.security.KeyStore;
 import java.security.SecureRandom;
 
-import javax.net.SocketFactory;
-import javax.net.ssl.HostnameVerifier;
 import javax.net.ssl.KeyManager;
 import javax.net.ssl.KeyManagerFactory;
 import javax.net.ssl.SSLContext;
-import javax.net.ssl.SSLSession;
 import javax.net.ssl.SSLSocketFactory;
 import javax.net.ssl.TrustManager;
 import javax.net.ssl.TrustManagerFactory;

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/LdapUserGroupBuilder.java
----------------------------------------------------------------------
diff --git a/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/LdapUserGroupBuilder.java b/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/LdapUserGroupBuilder.java
index 0fc90e6..670d8c5 100644
--- a/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/LdapUserGroupBuilder.java
+++ b/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/LdapUserGroupBuilder.java
@@ -23,7 +23,6 @@
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
@@ -504,7 +503,7 @@ public class LdapUserGroupBuilder implements UserGroupSource {
 			createLdapContext();
 		}
 		
-		//Iterator<UserInfo> userInfoIterator = userGroupMap.
+		//java.util.Iterator<UserInfo> userInfoIterator = userGroupMap.
 		for (UserInfo userInfo : userGroupMap.values()) {
 			//UserInfo userInfo = userInfoIterator.next();
 			String userName = userInfo.getUserName();

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/PolicyMgrUserGroupBuilder.java
----------------------------------------------------------------------
diff --git a/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/PolicyMgrUserGroupBuilder.java b/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/PolicyMgrUserGroupBuilder.java
index ea0b26a..4e211b5 100644
--- a/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/PolicyMgrUserGroupBuilder.java
+++ b/ugsync/src/main/java/org/apache/ranger/ldapusersync/process/PolicyMgrUserGroupBuilder.java
@@ -17,9 +17,7 @@
  * under the License.
  */
 
- package org.apache.ranger.ldapusersync.process;
-
-import java.util.List;
+package org.apache.ranger.ldapusersync.process;
 
 public class PolicyMgrUserGroupBuilder extends org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder {
 	

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/ugsync/src/main/java/org/apache/ranger/unixusersync/poc/RangerUpdateUserGroupMapping.java
----------------------------------------------------------------------
diff --git a/ugsync/src/main/java/org/apache/ranger/unixusersync/poc/RangerUpdateUserGroupMapping.java b/ugsync/src/main/java/org/apache/ranger/unixusersync/poc/RangerUpdateUserGroupMapping.java
index f26eed4..01541db 100644
--- a/ugsync/src/main/java/org/apache/ranger/unixusersync/poc/RangerUpdateUserGroupMapping.java
+++ b/ugsync/src/main/java/org/apache/ranger/unixusersync/poc/RangerUpdateUserGroupMapping.java
@@ -22,8 +22,6 @@
 
 import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Set;
 
 
 public class RangerUpdateUserGroupMapping {

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/unixauthclient/src/main/java/org/apache/ranger/authentication/unix/jaas/RemoteUnixLoginModule.java
----------------------------------------------------------------------
diff --git a/unixauthclient/src/main/java/org/apache/ranger/authentication/unix/jaas/RemoteUnixLoginModule.java b/unixauthclient/src/main/java/org/apache/ranger/authentication/unix/jaas/RemoteUnixLoginModule.java
index 51367c0..fb52a02 100644
--- a/unixauthclient/src/main/java/org/apache/ranger/authentication/unix/jaas/RemoteUnixLoginModule.java
+++ b/unixauthclient/src/main/java/org/apache/ranger/authentication/unix/jaas/RemoteUnixLoginModule.java
@@ -50,13 +50,6 @@ import javax.security.auth.callback.PasswordCallback;
 import javax.security.auth.callback.UnsupportedCallbackException;
 import javax.security.auth.login.LoginException;
 import javax.security.auth.spi.LoginModule;
-import javax.xml.parsers.DocumentBuilder;
-import javax.xml.parsers.DocumentBuilderFactory;
-
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
 	
 public class RemoteUnixLoginModule implements LoginModule {
 	

http://git-wip-us.apache.org/repos/asf/incubator-ranger/blob/bdf44e40/unixauthservice/src/main/java/org/apache/ranger/authentication/UnixAuthenticationService.java
----------------------------------------------------------------------
diff --git a/unixauthservice/src/main/java/org/apache/ranger/authentication/UnixAuthenticationService.java b/unixauthservice/src/main/java/org/apache/ranger/authentication/UnixAuthenticationService.java
index 16e7324..acb0b37 100644
--- a/unixauthservice/src/main/java/org/apache/ranger/authentication/UnixAuthenticationService.java
+++ b/unixauthservice/src/main/java/org/apache/ranger/authentication/UnixAuthenticationService.java
@@ -44,7 +44,6 @@ import javax.net.ssl.TrustManagerFactory;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 
-import org.apache.hadoop.security.alias.CredentialProvider;
 import org.apache.log4j.Logger;
 import org.apache.ranger.credentialapi.CredentialReader;
 import org.apache.ranger.usergroupsync.UserGroupSync;