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Posted to commits@sentry.apache.org by ls...@apache.org on 2016/01/21 07:51:34 UTC

[4/4] incubator-sentry git commit: SENTRY-986: Apply PMD plugin to Sentry source (Colm O hEigeartaigh via Lenni Kuff)

SENTRY-986: Apply PMD plugin to Sentry source (Colm O hEigeartaigh via Lenni Kuff)

Change-Id: Ied167f439bdf9c3bdfea7853801ed4f21d7aaede


Project: http://git-wip-us.apache.org/repos/asf/incubator-sentry/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-sentry/commit/95b1e40e
Tree: http://git-wip-us.apache.org/repos/asf/incubator-sentry/tree/95b1e40e
Diff: http://git-wip-us.apache.org/repos/asf/incubator-sentry/diff/95b1e40e

Branch: refs/heads/master
Commit: 95b1e40e7062343f05e131afaea0a97bbf71ba4f
Parents: 5a827f6
Author: Lenni Kuff <ls...@cloudera.com>
Authored: Wed Jan 20 22:50:42 2016 -0800
Committer: Lenni Kuff <ls...@cloudera.com>
Committed: Wed Jan 20 22:50:42 2016 -0800

----------------------------------------------------------------------
 build-tools/sentry-pmd-ruleset.xml              | 39 +++++++++
 pom.xml                                         | 60 +++++++++++++
 .../v2/authorizer/DefaultSentryValidator.java   |  6 +-
 .../v2/metastore/AuthorizingObjectStoreV2.java  |  1 -
 .../SentryMetastorePostEventListenerV2.java     |  4 +-
 .../hive/ql/exec/SentryFilterDDLTask.java       |  1 -
 .../hive/ql/exec/SentryGrantRevokeTask.java     | 22 ++---
 .../ql/exec/SentryHivePrivilegeObjectDesc.java  |  3 -
 .../binding/hive/HiveAuthzBindingHook.java      | 33 ++-----
 .../hive/HiveAuthzBindingSessionHook.java       |  1 -
 .../SentryHiveAuthorizationTaskFactoryImpl.java |  7 +-
 .../hive/SentryOnFailureHookContext.java        | 24 ++---
 .../binding/hive/SentryPolicyFileFormatter.java |  4 +-
 .../binding/hive/authz/HiveAuthzBinding.java    |  2 -
 .../hive/authz/HiveAuthzPrivilegesMap.java      |  7 --
 .../binding/hive/authz/SentryConfigTool.java    |  7 +-
 .../sentry/binding/hive/conf/HiveAuthzConf.java |  1 -
 .../metastore/AuthorizingObjectStore.java       |  1 -
 .../metastore/MetastoreAuthzBinding.java        |  6 +-
 .../metastore/SentryHiveMetaStoreClient.java    |  3 -
 .../metastore/SentryMetaStoreFilterHook.java    |  7 +-
 .../SentryMetastorePostEventListener.java       |  6 +-
 .../binding/solr/authz/SolrAuthzBinding.java    |  4 +-
 .../authz/SentryAuthorizationValidator.java     |  2 +-
 .../sentry/sqoop/binding/SqoopAuthBinding.java  |  4 +-
 .../main/java/org/apache/sentry/Command.java    |  2 +-
 .../main/java/org/apache/sentry/SentryMain.java |  7 +-
 .../org/apache/sentry/core/common/Action.java   |  4 +-
 .../apache/sentry/core/common/Authorizable.java |  4 +-
 .../sentry/core/common/BitFieldAction.java      |  2 +-
 .../sentry/core/common/utils/PathUtils.java     |  9 +-
 .../core/model/db/DBModelAuthorizable.java      |  2 +-
 .../model/indexer/IndexerModelAuthorizable.java |  2 +-
 .../core/indexer/TestIndexerBitFieldAction.java |  2 -
 .../model/search/SearchModelAuthorizable.java   |  2 +-
 .../core/search/TestSearchBitFieldAction.java   |  2 -
 .../core/model/sqoop/SqoopActionFactory.java    |  3 +-
 .../core/model/sqoop/SqoopAuthorizable.java     |  4 +-
 .../apache/sentry/hdfs/AuthzPathsDumper.java    |  4 +-
 .../apache/sentry/hdfs/AuthzPermissions.java    |  2 +-
 .../java/org/apache/sentry/hdfs/HMSPaths.java   | 24 ++---
 .../org/apache/sentry/hdfs/HMSPathsDumper.java  |  4 +-
 .../sentry/hdfs/SentryHDFSServiceClient.java    | 12 ++-
 .../java/org/apache/sentry/hdfs/Updateable.java | 12 +--
 .../sentry/hdfs/UpdateableAuthzPaths.java       | 18 ++--
 .../hdfs/ha/HdfsHAClientInvocationHandler.java  | 68 +++++++--------
 .../sentry/hdfs/TestHMSPathsFullDump.java       |  4 -
 .../sentry/hdfs/TestKrbConnectionTimeout.java   |  9 --
 .../server/namenode/AuthorizationProvider.java  | 20 ++---
 .../hdfs/SentryAuthorizationConstants.java      |  2 +-
 .../sentry/hdfs/SentryAuthorizationInfo.java    |  5 +-
 .../hdfs/SentryAuthorizationProvider.java       |  2 +-
 .../apache/sentry/hdfs/SentryPermissions.java   |  4 +-
 .../org/apache/sentry/hdfs/SentryUpdater.java   |  1 -
 .../sentry/hdfs/UpdateableAuthzPermissions.java |  1 -
 .../sentry/hdfs/MetastoreCacheInitializer.java  | 23 +++--
 .../org/apache/sentry/hdfs/MetastorePlugin.java |  4 +-
 .../apache/sentry/hdfs/PluginCacheSyncUtil.java |  4 +-
 .../org/apache/sentry/hdfs/SentryPlugin.java    |  5 --
 .../org/apache/sentry/hdfs/UpdateForwarder.java | 17 ++--
 .../sentry/hdfs/UpdateForwarderWithHA.java      | 10 ---
 .../sentry/hdfs/UpdateablePermissions.java      |  2 -
 .../sentry/hdfs/TestHAUpdateForwarder.java      |  2 -
 .../sentry/policy/common/PolicyEngine.java      | 11 ++-
 .../apache/sentry/policy/common/Privilege.java  |  2 +-
 .../policy/common/PrivilegeValidator.java       |  2 +-
 .../sentry/policy/db/DBWildcardPrivilege.java   |  4 -
 .../sentry/policy/db/SimpleDBPolicyEngine.java  |  3 +-
 ...SearchAuthorizationProviderGeneralCases.java |  1 -
 .../policy/sqoop/ServerNameRequiredMatch.java   |  2 +-
 .../sentry/provider/cache/PrivilegeCache.java   |  4 +-
 .../cache/SimpleCacheProviderBackend.java       |  8 +-
 .../provider/common/AuthorizationProvider.java  | 18 ++--
 .../provider/common/GroupMappingService.java    |  2 +-
 .../common/HadoopGroupMappingService.java       |  4 -
 ...adoopGroupResourceAuthorizationProvider.java |  4 +-
 .../apache/sentry/provider/common/KeyValue.java | 21 +++--
 .../common/NoAuthorizationProvider.java         |  1 -
 .../sentry/provider/common/ProviderBackend.java | 10 +--
 .../common/ResourceAuthorizationProvider.java   | 27 +++---
 .../provider/common/TestGetGroupMapping.java    |  1 -
 .../provider/db/SentryPolicyStorePlugin.java    | 18 ++--
 .../provider/db/SimpleDBProviderBackend.java    |  6 +-
 .../generic/SentryGenericProviderBackend.java   |  2 +-
 .../service/persistent/DelegateSentryStore.java |  8 +-
 .../service/persistent/PrivilegeObject.java     | 36 +++++---
 .../persistent/PrivilegeOperatePersistence.java | 26 +++---
 .../service/persistent/SentryStoreLayer.java    | 26 +++---
 .../service/thrift/NotificationHandler.java     | 32 ++-----
 .../thrift/NotificationHandlerInvoker.java      | 16 ----
 .../thrift/SentryGenericPolicyProcessor.java    | 13 +--
 .../thrift/SentryGenericServiceClient.java      | 34 ++++----
 .../SentryGenericServiceClientDefaultImpl.java  |  8 +-
 .../RollingFileWithoutDeleteAppender.java       |  1 -
 .../provider/db/log/entity/JsonLogEntity.java   |  2 +-
 .../db/service/model/MSentryGMPrivilege.java    | 61 ++++++++-----
 .../provider/db/service/model/MSentryGroup.java | 20 +++--
 .../db/service/model/MSentryPrivilege.java      | 57 +++++++-----
 .../provider/db/service/model/MSentryRole.java  | 15 ++--
 .../persistent/FixedJsonInstanceSerializer.java |  4 +-
 .../db/service/persistent/HAContext.java        |  5 --
 .../db/service/persistent/SentryStore.java      | 81 ++++++++---------
 .../db/service/persistent/ServiceManager.java   |  2 -
 .../db/service/persistent/ServiceRegister.java  |  1 -
 .../thrift/SentryPolicyServiceClient.java       | 92 ++++++++++----------
 .../SentryPolicyServiceClientDefaultImpl.java   | 12 +--
 .../thrift/SentryPolicyStoreProcessor.java      | 31 +++----
 .../db/service/thrift/SentryWebServer.java      |  2 +-
 .../provider/db/tools/SentrySchemaHelper.java   | 29 +++---
 .../provider/db/tools/SentrySchemaTool.java     |  6 +-
 .../provider/db/tools/command/hive/Command.java |  2 +-
 .../db/tools/command/hive/CommandUtil.java      |  7 +-
 .../thrift/HAClientInvocationHandler.java       | 52 ++++++-----
 .../thrift/PoolClientInvocationHandler.java     |  4 +-
 .../sentry/service/thrift/ServiceConstants.java |  2 +-
 .../TestSentryStoreToAuthorizable.java          | 22 ++---
 .../sentry/provider/file/PolicyFiles.java       |  1 -
 .../file/SimpleFileProviderBackend.java         | 31 +++----
 .../RollingFileWithoutDeleteAppender.java       |  1 -
 .../solr/sentry/SecureRequestHandlerUtil.java   |  1 -
 .../SentryIndexAuthorizationSingleton.java      |  4 +-
 .../solr/handler/admin/SecureAdminHandlers.java |  3 -
 .../handler/admin/SecureCollectionsHandler.java |  2 -
 .../solr/handler/admin/SecureInfoHandler.java   |  3 -
 .../QueryDocAuthorizationComponent.java         | 10 +--
 .../QueryIndexAuthorizationComponent.java       |  4 -
 .../UpdateIndexAuthorizationProcessor.java      |  6 +-
 ...pdateIndexAuthorizationProcessorFactory.java |  1 -
 .../handler/TestSecureReplicationHandler.java   |  1 -
 .../handler/admin/SecureAdminHandlersTest.java  |  6 --
 .../admin/SecureCoreAdminHandlerTest.java       |  2 -
 .../handler/admin/SecureInfoHandlerTest.java    |  4 -
 .../UpdateIndexAuthorizationProcessorTest.java  |  2 +-
 133 files changed, 739 insertions(+), 762 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/build-tools/sentry-pmd-ruleset.xml
----------------------------------------------------------------------
diff --git a/build-tools/sentry-pmd-ruleset.xml b/build-tools/sentry-pmd-ruleset.xml
new file mode 100644
index 0000000..87a761c
--- /dev/null
+++ b/build-tools/sentry-pmd-ruleset.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements. See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership. The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License. You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied. See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
+<ruleset name="sentry-pmd" xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
+  <description>
+  A PMD ruleset for Apache Sentry
+  </description>
+
+  <rule ref="rulesets/java/basic.xml"/>
+  <rule ref="rulesets/java/unusedcode.xml"/>
+  <rule ref="rulesets/java/imports.xml"/>
+  <rule ref="rulesets/java/braces.xml"/>
+  <rule ref="rulesets/java/empty.xml">
+    <exclude name="EmptyCatchBlock" />
+  </rule>
+  <rule ref="rulesets/java/migrating.xml"/>
+  <rule ref="rulesets/java/unnecessary.xml">
+    <exclude name="UselessParentheses" />
+  </rule>
+
+</ruleset>

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/pom.xml
----------------------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index 6210454..0475f69 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,6 +50,7 @@ limitations under the License.
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <buildtools.dir>${basedir}/build-tools</buildtools.dir>
     <maven.compile.source>1.7</maven.compile.source>
     <maven.compile.target>1.7</maven.compile.target>
     <!-- versions are in alphabetical order -->
@@ -623,6 +624,33 @@ limitations under the License.
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-pmd-plugin</artifactId>
+        <version>3.5</version>
+        <configuration>
+          <rulesets>
+            <ruleset>${buildtools.dir}/sentry-pmd-ruleset.xml</ruleset>
+          </rulesets>
+          <sourceEncoding>UTF-8</sourceEncoding>
+          <failOnViolation>true</failOnViolation>
+          <linkXRef>false</linkXRef>
+          <verbose>true</verbose>
+          <targetJdk>${targetJdk}</targetJdk>
+          <excludeRoots>
+            <excludeRoot>${basedir}/src/main/generated</excludeRoot>
+          </excludeRoots>
+        </configuration>
+        <executions>
+          <execution>
+            <id>validate</id>
+            <phase>validate</phase>
+            <goals>
+              <goal>check</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-eclipse-plugin</artifactId>
         <version>${maven.eclipse.plugin.version}</version>
         <configuration>
@@ -818,6 +846,38 @@ limitations under the License.
     </pluginManagement>
   </build>
 
+  <profiles>
+    <profile>
+      <id>nochecks</id>
+      <properties>
+        <pmd.skip>true</pmd.skip>
+      </properties>
+    </profile>
+    <profile>
+      <id>activate-buildtools-in-module</id>
+      <activation>
+        <file>
+          <exists>${basedir}/../build-tools/sentry-pmd-ruleset.xml</exists>
+        </file>
+      </activation>
+      <properties>
+        <buildtools.dir>${basedir}/../build-tools</buildtools.dir>
+      </properties>
+    </profile>
+    <profile>
+      <id>activate-buildtools-in-submodule</id>
+      <activation>
+        <file>
+          <exists>${basedir}/../../build-tools/sentry-pmd-ruleset.xml</exists>
+        </file>
+      </activation>
+      <properties>
+        <buildtools.dir>${basedir}/../../build-tools</buildtools.dir>
+      </properties>
+    </profile>
+
+  </profiles>
+
   <repositories>
     <repository>
       <id>apache</id>

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/authorizer/DefaultSentryValidator.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/authorizer/DefaultSentryValidator.java b/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/authorizer/DefaultSentryValidator.java
index 2bc8aad..70e0720 100644
--- a/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/authorizer/DefaultSentryValidator.java
+++ b/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/authorizer/DefaultSentryValidator.java
@@ -338,9 +338,9 @@ public class DefaultSentryValidator extends SentryHiveAuthorizationValidator {
         Table currTbl = Table.ALL;
         Database currDB = new Database(currDatabase);
         Column currCol = Column.ALL;
-        if ((DEFAULT_DATABASE_NAME.equalsIgnoreCase(currDatabase) && "false"
+        if (DEFAULT_DATABASE_NAME.equalsIgnoreCase(currDatabase) && "false"
             .equalsIgnoreCase(authzConf.get(
-                HiveAuthzConf.AuthzConfVars.AUTHZ_RESTRICT_DEFAULT_DB.getVar(), "false")))) {
+                HiveAuthzConf.AuthzConfVars.AUTHZ_RESTRICT_DEFAULT_DB.getVar(), "false"))) {
           currDB = Database.ALL;
           currTbl = Table.SOME;
         }
@@ -419,7 +419,6 @@ public class DefaultSentryValidator extends SentryHiveAuthorizationValidator {
         // squash the exception, user doesn't have privileges, so the table is
         // not added to
         // filtered list.
-        ;
       }
     }
     return filteredResult;
@@ -473,7 +472,6 @@ public class DefaultSentryValidator extends SentryHiveAuthorizationValidator {
         // squash the exception, user doesn't have privileges, so the table is
         // not added to
         // filtered list.
-        ;
       }
     }
     return filteredResult;

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/AuthorizingObjectStoreV2.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/AuthorizingObjectStoreV2.java b/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/AuthorizingObjectStoreV2.java
index ff648ff..726f5ad 100644
--- a/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/AuthorizingObjectStoreV2.java
+++ b/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/AuthorizingObjectStoreV2.java
@@ -39,7 +39,6 @@ import org.apache.hadoop.hive.metastore.api.Table;
 import org.apache.hadoop.hive.metastore.api.UnknownDBException;
 import org.apache.hadoop.hive.ql.parse.SemanticException;
 import org.apache.hadoop.hive.ql.plan.HiveOperation;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.hive.shims.Utils;
 import org.apache.sentry.binding.hive.HiveAuthzBindingHook;
 import org.apache.sentry.binding.hive.authz.HiveAuthzBinding;

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/SentryMetastorePostEventListenerV2.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/SentryMetastorePostEventListenerV2.java b/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/SentryMetastorePostEventListenerV2.java
index a72e745..013d016 100644
--- a/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/SentryMetastorePostEventListenerV2.java
+++ b/sentry-binding/sentry-binding-hive-v2/src/main/java/org/apache/sentry/binding/hive/v2/metastore/SentryMetastorePostEventListenerV2.java
@@ -40,7 +40,7 @@ public class SentryMetastorePostEventListenerV2 extends SentryMetastorePostEvent
       Iterator<Partition> it = partitionEvent.getPartitionIterator();
       while (it.hasNext()) {
         Partition part = it.next();
-        if ((part.getSd() != null) && (part.getSd().getLocation() != null)) {
+        if (part.getSd() != null && part.getSd().getLocation() != null) {
           String authzObj = part.getDbName() + "." + part.getTableName();
           String path = part.getSd().getLocation();
           for (SentryMetastoreListenerPlugin plugin : sentryPlugins) {
@@ -60,7 +60,7 @@ public class SentryMetastorePostEventListenerV2 extends SentryMetastorePostEvent
       Iterator<Partition> it = partitionEvent.getPartitionIterator();
       while (it.hasNext()) {
         Partition part = it.next();
-        if ((part.getSd() != null) && (part.getSd().getLocation() != null)) {
+        if (part.getSd() != null && part.getSd().getLocation() != null) {
           String path = part.getSd().getLocation();
           for (SentryMetastoreListenerPlugin plugin : sentryPlugins) {
             plugin.removePath(authzObj, path);

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryFilterDDLTask.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryFilterDDLTask.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryFilterDDLTask.java
index d47ca3b..8838368 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryFilterDDLTask.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryFilterDDLTask.java
@@ -20,7 +20,6 @@ import static org.apache.hadoop.util.StringUtils.stringifyException;
 
 import java.io.DataOutputStream;
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.logging.Log;

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryGrantRevokeTask.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryGrantRevokeTask.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryGrantRevokeTask.java
index 1e2b3b9..5e2d8a1 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryGrantRevokeTask.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryGrantRevokeTask.java
@@ -130,23 +130,23 @@ public class SentryGrantRevokeTask extends Task<DDLWork> implements Serializable
           "Config " + AuthzConfVars.AUTHZ_SERVER_NAME.getVar() + " is required");
       try {
         if (work.getRoleDDLDesc() != null) {
-          return processRoleDDL(conf, console, sentryClient, subject.getName(),
+          return processRoleDDL(console, sentryClient, subject.getName(),
               hiveAuthzBinding, work.getRoleDDLDesc());
         }
         if (work.getGrantDesc() != null) {
-          return processGrantDDL(conf, console, sentryClient,
+          return processGrantDDL(console, sentryClient,
               subject.getName(), server, work.getGrantDesc());
         }
         if (work.getRevokeDesc() != null) {
-          return processRevokeDDL(conf, console, sentryClient,
+          return processRevokeDDL(console, sentryClient,
               subject.getName(), server, work.getRevokeDesc());
         }
         if (work.getShowGrantDesc() != null) {
-          return processShowGrantDDL(conf, console, sentryClient, subject.getName(), server,
+          return processShowGrantDDL(console, sentryClient, subject.getName(),
               work.getShowGrantDesc());
         }
         if (work.getGrantRevokeRoleDDL() != null) {
-          return processGrantRevokeRoleDDL(conf, console, sentryClient,
+          return processGrantRevokeRoleDDL(console, sentryClient,
               subject.getName(), work.getGrantRevokeRoleDDL());
         }
         throw new AssertionError(
@@ -217,7 +217,7 @@ public class SentryGrantRevokeTask extends Task<DDLWork> implements Serializable
     this.stmtOperation = stmtOperation;
   }
 
-  private int processRoleDDL(HiveConf conf, LogHelper console,
+  private int processRoleDDL(LogHelper console,
       SentryPolicyServiceClient sentryClient, String subject,
       HiveAuthzBinding hiveAuthzBinding, RoleDDLDesc desc)
           throws SentryUserException {
@@ -280,7 +280,7 @@ public class SentryGrantRevokeTask extends Task<DDLWork> implements Serializable
     }
   }
 
-  private int processGrantDDL(HiveConf conf, LogHelper console,
+  private int processGrantDDL(LogHelper console,
       SentryPolicyServiceClient sentryClient, String subject,
       String server, GrantDesc desc) throws SentryUserException {
     return processGrantRevokeDDL(console, sentryClient, subject,
@@ -289,7 +289,7 @@ public class SentryGrantRevokeTask extends Task<DDLWork> implements Serializable
   }
 
   // For grant option, we use null to stand for revoke the privilege ignore the grant option
-  private int processRevokeDDL(HiveConf conf, LogHelper console,
+  private int processRevokeDDL(LogHelper console,
       SentryPolicyServiceClient sentryClient, String subject,
       String server, RevokeDesc desc) throws SentryUserException {
     return processGrantRevokeDDL(console, sentryClient, subject,
@@ -297,8 +297,8 @@ public class SentryGrantRevokeTask extends Task<DDLWork> implements Serializable
         desc.getPrivilegeSubjectDesc(), null);
   }
 
-  private int processShowGrantDDL(HiveConf conf, LogHelper console, SentryPolicyServiceClient sentryClient,
-      String subject, String server, ShowGrantDesc desc) throws SentryUserException{
+  private int processShowGrantDDL(LogHelper console, SentryPolicyServiceClient sentryClient,
+      String subject, ShowGrantDesc desc) throws SentryUserException{
     PrincipalDesc principalDesc = desc.getPrincipalDesc();
     PrivilegeObjectDesc hiveObjectDesc = desc.getHiveObj();
     String principalName = principalDesc.getName();
@@ -397,7 +397,7 @@ public class SentryGrantRevokeTask extends Task<DDLWork> implements Serializable
     }
   }
 
-  private int processGrantRevokeRoleDDL(HiveConf conf, LogHelper console,
+  private int processGrantRevokeRoleDDL(LogHelper console,
       SentryPolicyServiceClient sentryClient, String subject,
       GrantRevokeRoleDDL desc) throws SentryUserException {
     try {

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryHivePrivilegeObjectDesc.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryHivePrivilegeObjectDesc.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryHivePrivilegeObjectDesc.java
index 8929357..4fa4221 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryHivePrivilegeObjectDesc.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/hadoop/hive/ql/exec/SentryHivePrivilegeObjectDesc.java
@@ -17,9 +17,6 @@
 
 package org.apache.hadoop.hive.ql.exec;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import org.apache.hadoop.hive.ql.plan.PrivilegeObjectDesc;
 
 public class SentryHivePrivilegeObjectDesc extends PrivilegeObjectDesc {

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingHook.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingHook.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingHook.java
index 57e4689..699b6b2 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingHook.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingHook.java
@@ -295,7 +295,7 @@ public class HiveAuthzBindingHook extends AbstractSemanticAnalyzerHook {
   private Database extractDatabase(ASTNode ast) throws SemanticException {
     String tableName = BaseSemanticAnalyzer.getUnescapedName(ast);
     if (tableName.contains(".")) {
-      return new Database((tableName.split("\\."))[0]);
+      return new Database(tableName.split("\\.")[0]);
     } else {
       return getCanonicalDb();
     }
@@ -303,7 +303,7 @@ public class HiveAuthzBindingHook extends AbstractSemanticAnalyzerHook {
   private Table extractTable(ASTNode ast) throws SemanticException {
     String tableName = BaseSemanticAnalyzer.getUnescapedName(ast);
     if (tableName.contains(".")) {
-      return new Table((tableName.split("\\."))[1]);
+      return new Table(tableName.split("\\.")[1]);
     } else {
       return new Table(tableName);
     }
@@ -560,9 +560,9 @@ public class HiveAuthzBindingHook extends AbstractSemanticAnalyzerHook {
       // by default allow connect access to default db
       Table currTbl = Table.ALL;
       Column currCol = Column.ALL;
-      if ((DEFAULT_DATABASE_NAME.equalsIgnoreCase(currDB.getName()) &&
+      if (DEFAULT_DATABASE_NAME.equalsIgnoreCase(currDB.getName()) &&
           "false".equalsIgnoreCase(authzConf.
-              get(HiveAuthzConf.AuthzConfVars.AUTHZ_RESTRICT_DEFAULT_DB.getVar(), "false")))) {
+              get(HiveAuthzConf.AuthzConfVars.AUTHZ_RESTRICT_DEFAULT_DB.getVar(), "false"))) {
         currDB = Database.ALL;
         currTbl = Table.SOME;
       }
@@ -769,7 +769,6 @@ public class HiveAuthzBindingHook extends AbstractSemanticAnalyzerHook {
         // squash the exception, user doesn't have privileges, so the table is
         // not added to
         // filtered list.
-        ;
       }
     }
     return filteredResult;
@@ -807,7 +806,6 @@ public class HiveAuthzBindingHook extends AbstractSemanticAnalyzerHook {
         // squash the exception, user doesn't have privileges, so the column is
         // not added to
         // filtered list.
-        ;
       }
     }
     return filteredResult;
@@ -860,7 +858,6 @@ public class HiveAuthzBindingHook extends AbstractSemanticAnalyzerHook {
         // squash the exception, user doesn't have privileges, so the table is
         // not added to
         // filtered list.
-        ;
       }
     }
 
@@ -880,7 +877,7 @@ public class HiveAuthzBindingHook extends AbstractSemanticAnalyzerHook {
     if (!readEntity.getType().equals(Type.TABLE) && !readEntity.getType().equals(Type.PARTITION)) {
       return false;
     }
-    if ((readEntity.getParents() != null) && (readEntity.getParents().size() > 0)) {
+    if (readEntity.getParents() != null && readEntity.getParents().size() > 0) {
       for (ReadEntity parentEntity : readEntity.getParents()) {
         if (!parentEntity.getType().equals(Type.TABLE)) {
           return false;
@@ -893,31 +890,15 @@ public class HiveAuthzBindingHook extends AbstractSemanticAnalyzerHook {
   }
 
   /**
-   * Returns a set of hooks specified in a configuration variable.
-   *
-   * See getHooks(HiveAuthzConf.AuthzConfVars hookConfVar, Class<T> clazz)
-   * @param hookConfVar
-   * @return
-   * @throws Exception
-   */
-  private static List<Hook> getHooks(String csHooks) throws Exception {
-    return getHooks(csHooks, Hook.class);
-  }
-
-  /**
    * Returns the hooks specified in a configuration variable.  The hooks are returned in a list in
    * the order they were specified in the configuration variable.
    *
    * @param hookConfVar The configuration variable specifying a comma separated list of the hook
    *                    class names.
-   * @param clazz       The super type of the hooks.
-   * @return            A list of the hooks cast as the type specified in clazz, in the order
-   *                    they are listed in the value of hookConfVar
+   * @return            A list of the hooks, in the order they are listed in the value of hookConfVar
    * @throws Exception
    */
-  private static <T extends Hook> List<T> getHooks(String csHooks,
-      Class<T> clazz)
-      throws Exception {
+  private static <T extends Hook> List<T> getHooks(String csHooks) throws Exception {
 
     List<T> hooks = new ArrayList<T>();
     if (csHooks.isEmpty()) {

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingSessionHook.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingSessionHook.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingSessionHook.java
index a51653c..17b9003 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingSessionHook.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/HiveAuthzBindingSessionHook.java
@@ -85,7 +85,6 @@ public class HiveAuthzBindingSessionHook
 
     @Override
     public void applyAuthorizationConfigPolicy(HiveConf conf) {
-      return;
     }
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryHiveAuthorizationTaskFactoryImpl.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryHiveAuthorizationTaskFactoryImpl.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryHiveAuthorizationTaskFactoryImpl.java
index 5898b7e..617a8bc 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryHiveAuthorizationTaskFactoryImpl.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryHiveAuthorizationTaskFactoryImpl.java
@@ -34,7 +34,6 @@ import org.apache.hadoop.hive.ql.hooks.WriteEntity;
 import org.apache.hadoop.hive.ql.metadata.Hive;
 import org.apache.hadoop.hive.ql.parse.ASTNode;
 import org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer;
-import org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer;
 import org.apache.hadoop.hive.ql.parse.HiveParser;
 import org.apache.hadoop.hive.ql.parse.SemanticException;
 import org.apache.hadoop.hive.ql.parse.authorization.HiveAuthorizationTaskFactory;
@@ -61,7 +60,7 @@ public class SentryHiveAuthorizationTaskFactoryImpl implements HiveAuthorization
 
   private static final Logger LOG = LoggerFactory.getLogger(SentryHiveAuthorizationTaskFactoryImpl.class);
 
-  public SentryHiveAuthorizationTaskFactoryImpl(HiveConf conf, Hive db) {
+  public SentryHiveAuthorizationTaskFactoryImpl(HiveConf conf, Hive db) { //NOPMD
 
   }
 
@@ -207,13 +206,11 @@ public class SentryHiveAuthorizationTaskFactoryImpl implements HiveAuthorization
     PrincipalDesc principalDesc = new PrincipalDesc(principalName, type);
 
     // Partition privileges are not supported by Sentry
-    List<String> cols = null;
     if (ast.getChildCount() > 1) {
       ASTNode child = (ASTNode) ast.getChild(1);
       if (child.getToken().getType() == HiveParser.TOK_PRIV_OBJECT_COL) {
         privHiveObj = analyzePrivilegeObject(child);
-        cols = privHiveObj.getColumns();
-      }else {
+      } else {
         throw new SemanticException("Unrecognized Token: " + child.getToken().getType());
       }
     }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryOnFailureHookContext.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryOnFailureHookContext.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryOnFailureHookContext.java
index a380651..c101a4f 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryOnFailureHookContext.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryOnFailureHookContext.java
@@ -38,61 +38,61 @@ public interface SentryOnFailureHookContext  {
   /**
    * @return the command attempted by user
    */
-  public String getCommand();
+  String getCommand();
 
   /**
     * @return the set of read entities
     */
-  public Set<ReadEntity> getInputs();
+  Set<ReadEntity> getInputs();
 
   /**
    * @return the set of write entities
    */
-  public Set<WriteEntity> getOutputs();
+  Set<WriteEntity> getOutputs();
 
   /**
    * @return the operation
    */
-  public HiveOperation getHiveOp();
+  HiveOperation getHiveOp();
 
   /**
    * @return the user name
    */
-  public String getUserName();
+  String getUserName();
 
   /**
    * @return the ip address
    */
-  public String getIpAddress();
+  String getIpAddress();
 
   /**
    * @return the database object
    */
-  public Database getDatabase();
+  Database getDatabase();
 
   /**
    * @return the table object
    */
-  public Table getTable();
+  Table getTable();
 
   /**
    * @return the udf URI
    */
-  public AccessURI getUdfURI();
+  AccessURI getUdfURI();
 
   /**
    * @return the partition URI
    */
-  public AccessURI getPartitionURI();
+  AccessURI getPartitionURI();
 
   /**
    * @return the authorization failure exception
    */
-  public AuthorizationException getException();
+  AuthorizationException getException();
 
   /**
    * @return the config
    */
-  public Configuration getConf();
+  Configuration getConf();
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryPolicyFileFormatter.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryPolicyFileFormatter.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryPolicyFileFormatter.java
index 14437ca..4f465b3 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryPolicyFileFormatter.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/SentryPolicyFileFormatter.java
@@ -29,11 +29,11 @@ import org.apache.hadoop.conf.Configuration;
 public interface SentryPolicyFileFormatter {
 
   // write the sentry mapping data to file
-  public void write(String resourcePath, Map<String, Map<String, Set<String>>> sentryMappingData)
+  void write(String resourcePath, Map<String, Map<String, Set<String>>> sentryMappingData)
       throws Exception;
 
   // parse the sentry mapping data from file
-  public Map<String, Map<String, Set<String>>> parse(String resourcePath, Configuration conf)
+  Map<String, Map<String, Set<String>>> parse(String resourcePath, Configuration conf)
       throws Exception;
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java
index 926c46c..6066100 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java
@@ -22,7 +22,6 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.CommonConfigurationKeys;
@@ -58,7 +57,6 @@ import com.google.common.collect.Sets;
 public class HiveAuthzBinding {
   private static final Logger LOG = LoggerFactory
       .getLogger(HiveAuthzBinding.class);
-  private static final AtomicInteger queryID = new AtomicInteger();
   private static final Splitter ROLE_SET_SPLITTER = Splitter.on(",").trimResults()
       .omitEmptyStrings();
   public static final String HIVE_BINDING_TAG = "hive.authz.bindings.tag";

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzPrivilegesMap.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzPrivilegesMap.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzPrivilegesMap.java
index d35b09d..0c3bee3 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzPrivilegesMap.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzPrivilegesMap.java
@@ -23,7 +23,6 @@ import java.util.Map;
 import org.apache.hadoop.hive.ql.plan.HiveOperation;
 import org.apache.sentry.binding.hive.authz.HiveAuthzPrivileges.HiveOperationScope;
 import org.apache.sentry.binding.hive.authz.HiveAuthzPrivileges.HiveOperationType;
-import org.apache.sentry.core.common.Authorizable;
 import org.apache.sentry.core.model.db.DBModelAction;
 import org.apache.sentry.core.model.db.DBModelAuthorizable.AuthorizableType;
 
@@ -31,12 +30,6 @@ public class HiveAuthzPrivilegesMap {
   private static final Map <HiveOperation, HiveAuthzPrivileges> hiveAuthzStmtPrivMap =
     new HashMap<HiveOperation, HiveAuthzPrivileges>();
   static {
-    HiveAuthzPrivileges serverPrivilege = new HiveAuthzPrivileges.AuthzPrivilegeBuilder().
-        addInputObjectPriviledge(AuthorizableType.Server, EnumSet.of(DBModelAction.ALL)).
-        setOperationScope(HiveOperationScope.SERVER).
-        setOperationType(HiveOperationType.DDL).
-        build();
-
     HiveAuthzPrivileges createServerPrivilege = new HiveAuthzPrivileges.AuthzPrivilegeBuilder().
         addInputObjectPriviledge(AuthorizableType.Server, EnumSet.of(DBModelAction.CREATE)).
         setOperationScope(HiveOperationScope.SERVER).

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java
index 2e0f299..616d46c 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java
@@ -45,7 +45,6 @@ import org.apache.log4j.Level;
 import org.apache.log4j.LogManager;
 import org.apache.sentry.Command;
 import org.apache.sentry.binding.hive.HiveAuthzBindingHook;
-import org.apache.sentry.binding.hive.HiveAuthzBindingSessionHook;
 import org.apache.sentry.binding.hive.SentryPolicyFileFormatFactory;
 import org.apache.sentry.binding.hive.SentryPolicyFileFormatter;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf;
@@ -221,7 +220,7 @@ public class SentryConfigTool {
     getHiveConf().setVar(ConfVars.SEMANTIC_ANALYZER_HOOK,
         HiveAuthzBindingHook.class.getName());
     try {
-      System.out.println("Hive config: " + getHiveConf().getHiveSiteLocation());
+      System.out.println("Hive config: " + HiveConf.getHiveSiteLocation());
     } catch (NullPointerException e) {
       // Hack, hiveConf doesn't provide a reliable way check if it found a valid
       // hive-site
@@ -559,10 +558,10 @@ public class SentryConfigTool {
         }
       }
 
-      if (isListPrivs() && (getUser() == null)) {
+      if (isListPrivs() && getUser() == null) {
         throw new ParseException("Can't use -l without -u ");
       }
-      if ((getQuery() != null) && (getUser() == null)) {
+      if (getQuery() != null && getUser() == null) {
         throw new ParseException("Must use -u with -e ");
       }
     } catch (ParseException e1) {

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/conf/HiveAuthzConf.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/conf/HiveAuthzConf.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/conf/HiveAuthzConf.java
index e76fad1..6b79dda 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/conf/HiveAuthzConf.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/hive/conf/HiveAuthzConf.java
@@ -150,7 +150,6 @@ public class HiveAuthzConf extends Configuration {
     currentToDeprecatedProps.put(AuthzConfVars.AUTHZ_ONFAILURE_HOOKS.getVar(), AuthzConfVars.AUTHZ_ONFAILURE_HOOKS_DEPRECATED);
   };
 
-  @SuppressWarnings("unused")
   private static final Logger LOG = LoggerFactory
       .getLogger(HiveAuthzConf.class);
   public static final String AUTHZ_SITE_FILE = "sentry-site.xml";

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/AuthorizingObjectStore.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/AuthorizingObjectStore.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/AuthorizingObjectStore.java
index 9938373..37781b9 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/AuthorizingObjectStore.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/AuthorizingObjectStore.java
@@ -39,7 +39,6 @@ import org.apache.hadoop.hive.metastore.api.Table;
 import org.apache.hadoop.hive.metastore.api.UnknownDBException;
 import org.apache.hadoop.hive.ql.parse.SemanticException;
 import org.apache.hadoop.hive.ql.plan.HiveOperation;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.hive.shims.Utils;
 import org.apache.sentry.binding.hive.HiveAuthzBindingHook;
 import org.apache.sentry.binding.hive.authz.HiveAuthzBinding;

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/MetastoreAuthzBinding.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/MetastoreAuthzBinding.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/MetastoreAuthzBinding.java
index f6b9c7a..b1148d8 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/MetastoreAuthzBinding.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/MetastoreAuthzBinding.java
@@ -39,7 +39,6 @@ import org.apache.hadoop.hive.metastore.api.StorageDescriptor;
 import org.apache.hadoop.hive.metastore.events.PreAddPartitionEvent;
 import org.apache.hadoop.hive.metastore.events.PreAlterPartitionEvent;
 import org.apache.hadoop.hive.metastore.events.PreAlterTableEvent;
-import org.apache.hadoop.hive.metastore.events.PreCreateDatabaseEvent;
 import org.apache.hadoop.hive.metastore.events.PreCreateTableEvent;
 import org.apache.hadoop.hive.metastore.events.PreDropDatabaseEvent;
 import org.apache.hadoop.hive.metastore.events.PreDropPartitionEvent;
@@ -47,7 +46,6 @@ import org.apache.hadoop.hive.metastore.events.PreDropTableEvent;
 import org.apache.hadoop.hive.metastore.events.PreEventContext;
 import org.apache.hadoop.hive.ql.metadata.AuthorizationException;
 import org.apache.hadoop.hive.ql.plan.HiveOperation;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.hive.shims.Utils;
 import org.apache.sentry.SentryUserException;
 import org.apache.sentry.binding.hive.authz.HiveAuthzBinding;
@@ -197,7 +195,7 @@ public class MetastoreAuthzBinding extends MetaStorePreEventListener {
       authorizeAlterPartition((PreAlterPartitionEvent) context);
       break;
     case CREATE_DATABASE:
-      authorizeCreateDatabase((PreCreateDatabaseEvent) context);
+      authorizeCreateDatabase();
       break;
     case DROP_DATABASE:
       authorizeDropDatabase((PreDropDatabaseEvent) context);
@@ -210,7 +208,7 @@ public class MetastoreAuthzBinding extends MetaStorePreEventListener {
     }
   }
 
-  private void authorizeCreateDatabase(PreCreateDatabaseEvent context)
+  private void authorizeCreateDatabase()
       throws InvalidOperationException, MetaException {
     authorizeMetastoreAccess(HiveOperation.CREATEDATABASE,
         new HierarcyBuilder().addServerToOutput(getAuthServer()).build(),

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryHiveMetaStoreClient.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryHiveMetaStoreClient.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryHiveMetaStoreClient.java
index 6a33ef9..0330db9 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryHiveMetaStoreClient.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryHiveMetaStoreClient.java
@@ -42,17 +42,14 @@ public class SentryHiveMetaStoreClient extends HiveMetaStoreClient implements
 
   private HiveAuthzBinding hiveAuthzBinding;
   private HiveAuthzConf authzConf;
-  private final HiveConf hiveConf;
 
   public SentryHiveMetaStoreClient(HiveConf conf) throws MetaException {
     super(conf);
-    this.hiveConf = conf;
   }
 
   public SentryHiveMetaStoreClient(HiveConf conf, HiveMetaHookLoader hookLoader)
       throws MetaException {
     super(conf, hookLoader);
-    this.hiveConf = conf;
   }
 
   @Override

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetaStoreFilterHook.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetaStoreFilterHook.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetaStoreFilterHook.java
index 9f33f3d..b551788 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetaStoreFilterHook.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetaStoreFilterHook.java
@@ -33,25 +33,20 @@ import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
 import org.apache.hadoop.hive.metastore.api.Partition;
 import org.apache.hadoop.hive.metastore.api.PartitionSpec;
 import org.apache.hadoop.hive.metastore.api.Table;
-import org.apache.hadoop.hive.ql.parse.SemanticException;
 import org.apache.hadoop.hive.ql.plan.HiveOperation;
 import org.apache.hadoop.hive.ql.session.SessionState;
 import org.apache.sentry.binding.hive.HiveAuthzBindingHook;
 import org.apache.sentry.binding.hive.authz.HiveAuthzBinding;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf;
 
-import com.google.common.collect.Lists;
-
 public class SentryMetaStoreFilterHook implements MetaStoreFilterHook {
 
   static final protected Log LOG = LogFactory.getLog(SentryMetaStoreFilterHook.class);
 
   private HiveAuthzBinding hiveAuthzBinding;
   private HiveAuthzConf authzConf;
-  private final HiveConf hiveConf;
 
-  public SentryMetaStoreFilterHook(HiveConf hiveConf) {
-    this.hiveConf = hiveConf;
+  public SentryMetaStoreFilterHook(HiveConf hiveConf) { //NOPMD
   }
 
   @Override

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListener.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListener.java b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListener.java
index 3c8ad1f..a45d115 100644
--- a/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListener.java
+++ b/sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListener.java
@@ -212,7 +212,7 @@ public class SentryMetastorePostEventListener extends MetaStoreEventListener {
       newLoc = partitionEvent.getNewPartition().getSd().getLocation();
     }
 
-    if ((oldLoc != null) && (newLoc != null) && (!oldLoc.equals(newLoc))) {
+    if (oldLoc != null && newLoc != null && !oldLoc.equals(newLoc)) {
       String authzObj =
           partitionEvent.getOldPartition().getDbName() + "."
               + partitionEvent.getOldPartition().getTableName();
@@ -227,7 +227,7 @@ public class SentryMetastorePostEventListener extends MetaStoreEventListener {
   public void onAddPartition(AddPartitionEvent partitionEvent)
       throws MetaException {
     for (Partition part : partitionEvent.getPartitions()) {
-      if ((part.getSd() != null) && (part.getSd().getLocation() != null)) {
+      if (part.getSd() != null && part.getSd().getLocation() != null) {
         String authzObj = part.getDbName() + "." + part.getTableName();
         String path = part.getSd().getLocation();
         for (SentryMetastoreListenerPlugin plugin : sentryPlugins) {
@@ -349,7 +349,7 @@ public class SentryMetastorePostEventListener extends MetaStoreEventListener {
 
   private boolean syncWithPolicyStore(AuthzConfVars syncConfVar) {
     return "true"
-        .equalsIgnoreCase((authzConf.get(syncConfVar.getVar(), "true")));
+        .equalsIgnoreCase(authzConf.get(syncConfVar.getVar(), "true"));
   }
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-solr/src/main/java/org/apache/sentry/binding/solr/authz/SolrAuthzBinding.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-solr/src/main/java/org/apache/sentry/binding/solr/authz/SolrAuthzBinding.java b/sentry-binding/sentry-binding-solr/src/main/java/org/apache/sentry/binding/solr/authz/SolrAuthzBinding.java
index 6980c7c..88148c4 100644
--- a/sentry-binding/sentry-binding-solr/src/main/java/org/apache/sentry/binding/solr/authz/SolrAuthzBinding.java
+++ b/sentry-binding/sentry-binding-solr/src/main/java/org/apache/sentry/binding/solr/authz/SolrAuthzBinding.java
@@ -228,7 +228,7 @@ public class SolrAuthzBinding {
     }
     synchronized (SolrAuthzBinding.class) {
       if (kerberosInit == null) {
-        kerberosInit = new Boolean(true);
+        kerberosInit = Boolean.TRUE;
         final String authVal = authzConf.get(HADOOP_SECURITY_AUTHENTICATION);
         final String kerberos = "kerberos";
         if (authVal != null && !authVal.equals(kerberos)) {
@@ -258,7 +258,7 @@ public class SolrAuthzBinding {
    * If the binding uses the searchProviderBackend, it can sync privilege with Sentry Service
    */
   public boolean isSyncEnabled() {
-    return (providerBackend instanceof SentryGenericProviderBackend);
+    return providerBackend instanceof SentryGenericProviderBackend;
   }
 
   public SentryGenericServiceClient getClient() throws Exception {

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/authz/SentryAuthorizationValidator.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/authz/SentryAuthorizationValidator.java b/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/authz/SentryAuthorizationValidator.java
index 5f96767..51f3f29 100644
--- a/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/authz/SentryAuthorizationValidator.java
+++ b/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/authz/SentryAuthorizationValidator.java
@@ -42,7 +42,7 @@ public class SentryAuthorizationValidator extends AuthorizationValidator {
 
   @Override
   public void checkPrivileges(MPrincipal principal, List<MPrivilege> privileges) throws SqoopException {
-    if ((privileges == null) || privileges.isEmpty()) {
+    if (privileges == null || privileges.isEmpty()) {
       return;
     }
     PrincipalDesc principalDesc = new PrincipalDesc(principal.getName(), principal.getType());

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/binding/SqoopAuthBinding.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/binding/SqoopAuthBinding.java b/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/binding/SqoopAuthBinding.java
index 42638f8..8456031 100644
--- a/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/binding/SqoopAuthBinding.java
+++ b/sentry-binding/sentry-binding-sqoop/src/main/java/org/apache/sentry/sqoop/binding/SqoopAuthBinding.java
@@ -312,7 +312,7 @@ public class SqoopAuthBinding {
   }
 
   private MResource toSqoopResource(List<TAuthorizable> authorizables) {
-    if ((authorizables == null) || authorizables.isEmpty()) {
+    if (authorizables == null || authorizables.isEmpty()) {
       //server resource
       return new MResource(sqoopServer.getName(), MResource.TYPE.SERVER);
     } else {
@@ -385,7 +385,7 @@ public class SqoopAuthBinding {
    * functions to execute, which centralizes connection error
    * handling. Command is parameterized on the return type of the function.
    */
-  private static interface Command<T> {
+  private interface Command<T> {
     T run(SentryGenericServiceClient client) throws Exception;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/Command.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/Command.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/Command.java
index 528f7d7..5af4cad 100644
--- a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/Command.java
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/Command.java
@@ -19,5 +19,5 @@ package org.apache.sentry;
 
 
 public interface Command {
-  public void run(String[] args) throws Exception;
+  void run(String[] args) throws Exception;
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/SentryMain.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/SentryMain.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/SentryMain.java
index e081a86..1ccf7de 100644
--- a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/SentryMain.java
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/SentryMain.java
@@ -59,7 +59,7 @@ public class SentryMain {
     CommandLine commandLine = parser.parse(options, args, true);
 
     String log4jconf = commandLine.getOptionValue(LOG4J_CONF);
-    if ((log4jconf != null)&&(log4jconf.length() > 0)) {
+    if (log4jconf != null && log4jconf.length() > 0) {
       Properties log4jProperties = new Properties();
 
       // Firstly load log properties from properties file
@@ -121,9 +121,10 @@ public class SentryMain {
 
   private static void printHelp(Options options, String msg) {
     String sentry = "sentry";
-    if(msg != null)
+    if (msg != null) {
       sentry = msg + sentry;
+    }
     (new HelpFormatter()).printHelp(sentry, options);
     System.exit(1);
   }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Action.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Action.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Action.java
index 1479e5c..77c91d2 100644
--- a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Action.java
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Action.java
@@ -17,6 +17,6 @@
 package org.apache.sentry.core.common;
 
 public interface Action {
-  public static final String ALL = "*";
-  public String getValue();
+  String ALL = "*";
+  String getValue();
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Authorizable.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Authorizable.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Authorizable.java
index 3523237..d49a53d 100644
--- a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Authorizable.java
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/Authorizable.java
@@ -17,7 +17,7 @@
 package org.apache.sentry.core.common;
 
 public interface Authorizable {
-  public String getName();
+  String getName();
 
-  public String getTypeName();
+  String getTypeName();
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/BitFieldAction.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/BitFieldAction.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/BitFieldAction.java
index 5aa0f83..ce0e4fb 100644
--- a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/BitFieldAction.java
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/BitFieldAction.java
@@ -55,7 +55,7 @@ public abstract class BitFieldAction implements Action {
       return false;
     }
     BitFieldAction that = (BitFieldAction)obj;
-    return (code == that.code) && (name.equalsIgnoreCase(that.name));
+    return code == that.code && name.equalsIgnoreCase(that.name);
   }
 
   @Override

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/utils/PathUtils.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/utils/PathUtils.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/utils/PathUtils.java
index 6cb599c..c7002e0 100644
--- a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/utils/PathUtils.java
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/utils/PathUtils.java
@@ -42,11 +42,10 @@ public class PathUtils {
       return false;
     }
     // ensure that either both schemes are null or equal
-    if (privilegeURI.getScheme() == null) {
-      if (requestURI.getScheme() != null) {
-        return false;
-      }
-    } else if (!privilegeURI.getScheme().equals(requestURI.getScheme())) {
+    if (privilegeURI.getScheme() == null && requestURI.getScheme() != null) {
+      return false;
+    }
+    if (privilegeURI.getScheme() != null && !privilegeURI.getScheme().equals(requestURI.getScheme())) {
       return false;
     }
     // request path does not contain relative parts /a/../b &&

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-model-db/src/main/java/org/apache/sentry/core/model/db/DBModelAuthorizable.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-model-db/src/main/java/org/apache/sentry/core/model/db/DBModelAuthorizable.java b/sentry-core/sentry-core-model-db/src/main/java/org/apache/sentry/core/model/db/DBModelAuthorizable.java
index 4d74356..4ce01b2 100644
--- a/sentry-core/sentry-core-model-db/src/main/java/org/apache/sentry/core/model/db/DBModelAuthorizable.java
+++ b/sentry-core/sentry-core-model-db/src/main/java/org/apache/sentry/core/model/db/DBModelAuthorizable.java
@@ -29,5 +29,5 @@ public interface DBModelAuthorizable extends Authorizable {
     URI
   };
 
-  public AuthorizableType getAuthzType();
+  AuthorizableType getAuthzType();
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/IndexerModelAuthorizable.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/IndexerModelAuthorizable.java b/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/IndexerModelAuthorizable.java
index d92a5c8..b3a3873 100644
--- a/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/IndexerModelAuthorizable.java
+++ b/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/IndexerModelAuthorizable.java
@@ -24,5 +24,5 @@ public interface IndexerModelAuthorizable extends Authorizable {
     Indexer
   };
 
-  public AuthorizableType getAuthzType();
+  AuthorizableType getAuthzType();
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-model-indexer/src/test/java/org/apache/sentry/core/indexer/TestIndexerBitFieldAction.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-model-indexer/src/test/java/org/apache/sentry/core/indexer/TestIndexerBitFieldAction.java b/sentry-core/sentry-core-model-indexer/src/test/java/org/apache/sentry/core/indexer/TestIndexerBitFieldAction.java
index a490cd8..4e2f1fa 100644
--- a/sentry-core/sentry-core-model-indexer/src/test/java/org/apache/sentry/core/indexer/TestIndexerBitFieldAction.java
+++ b/sentry-core/sentry-core-model-indexer/src/test/java/org/apache/sentry/core/indexer/TestIndexerBitFieldAction.java
@@ -17,8 +17,6 @@
  */
 package org.apache.sentry.core.indexer;
 
-import java.util.List;
-
 import org.apache.sentry.core.model.indexer.IndexerActionFactory;
 import org.apache.sentry.core.model.indexer.IndexerActionFactory.IndexerAction;
 import org.apache.sentry.core.model.indexer.IndexerActionFactory.IndexerBitFieldAction;

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/SearchModelAuthorizable.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/SearchModelAuthorizable.java b/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/SearchModelAuthorizable.java
index d6a9d54..5a55963 100644
--- a/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/SearchModelAuthorizable.java
+++ b/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/SearchModelAuthorizable.java
@@ -25,5 +25,5 @@ public interface SearchModelAuthorizable extends Authorizable {
     Field
   };
 
-  public AuthorizableType getAuthzType();
+  AuthorizableType getAuthzType();
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-model-search/src/test/java/org/apache/sentry/core/search/TestSearchBitFieldAction.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-model-search/src/test/java/org/apache/sentry/core/search/TestSearchBitFieldAction.java b/sentry-core/sentry-core-model-search/src/test/java/org/apache/sentry/core/search/TestSearchBitFieldAction.java
index 0ae49d6..b490cb6 100644
--- a/sentry-core/sentry-core-model-search/src/test/java/org/apache/sentry/core/search/TestSearchBitFieldAction.java
+++ b/sentry-core/sentry-core-model-search/src/test/java/org/apache/sentry/core/search/TestSearchBitFieldAction.java
@@ -17,8 +17,6 @@
  */
 package org.apache.sentry.core.search;
 
-import java.util.List;
-
 import org.apache.sentry.core.model.search.SearchActionFactory;
 import org.apache.sentry.core.model.search.SearchActionFactory.SearchAction;
 import org.apache.sentry.core.model.search.SearchActionFactory.SearchBitFieldAction;

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopActionFactory.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopActionFactory.java b/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopActionFactory.java
index c1f33ec..e7ba5f1 100644
--- a/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopActionFactory.java
+++ b/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopActionFactory.java
@@ -56,8 +56,7 @@ public class SqoopActionFactory extends BitFieldActionFactory {
     static List<SqoopActionType> getActionByCode(int code) {
       List<SqoopActionType> actions = Lists.newArrayList();
       for (SqoopActionType action : SqoopActionType.values()) {
-        if (((action.code & code) == action.code ) &&
-            (action != SqoopActionType.ALL)) {
+        if ((action.code & code) == action.code && action != SqoopActionType.ALL) {
           //SqoopActionType.ALL action should not return in the list
           actions.add(action);
         }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopAuthorizable.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopAuthorizable.java b/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopAuthorizable.java
index b57f4a7..934875e 100644
--- a/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopAuthorizable.java
+++ b/sentry-core/sentry-core-model-sqoop/src/main/java/org/apache/sentry/core/model/sqoop/SqoopAuthorizable.java
@@ -23,7 +23,7 @@ import org.apache.sentry.core.common.Authorizable;
  * It used conjunction with the generic authorization model(SENTRY-398).
  */
 public interface SqoopAuthorizable extends Authorizable {
-  public static final String ALL = "*";
+  String ALL = "*";
   public enum AuthorizableType {
     SERVER,
     CONNECTOR,
@@ -31,5 +31,5 @@ public interface SqoopAuthorizable extends Authorizable {
     JOB
   };
 
-  public AuthorizableType getAuthzType();
+  AuthorizableType getAuthzType();
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPathsDumper.java
----------------------------------------------------------------------
diff --git a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPathsDumper.java b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPathsDumper.java
index 2bd2a88..0950957 100644
--- a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPathsDumper.java
+++ b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPathsDumper.java
@@ -21,8 +21,8 @@ import org.apache.sentry.hdfs.service.thrift.TPathsDump;
 
 public interface AuthzPathsDumper<K extends AuthzPaths> {
 
-  public TPathsDump createPathsDump();
+  TPathsDump createPathsDump();
 
-  public K initializeFromDump(TPathsDump pathsDump);
+  K initializeFromDump(TPathsDump pathsDump);
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPermissions.java
----------------------------------------------------------------------
diff --git a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPermissions.java b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPermissions.java
index 1631ae5..b575e81 100644
--- a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPermissions.java
+++ b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/AuthzPermissions.java
@@ -23,6 +23,6 @@ import java.util.List;
 
 public interface AuthzPermissions {
 
-  public List<AclEntry> getAcls(String authzObj);
+  List<AclEntry> getAcls(String authzObj);
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPaths.java
----------------------------------------------------------------------
diff --git a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPaths.java b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPaths.java
index 4b38def..135ea20 100644
--- a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPaths.java
+++ b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPaths.java
@@ -232,7 +232,7 @@ public class HMSPaths implements AuthzPaths {
     }
 
     public static Entry createRoot(boolean asPrefix) {
-      return new Entry(null, "/", (asPrefix)
+      return new Entry(null, "/", asPrefix
                                    ? EntryType.PREFIX : EntryType.DIR, (String) null);
     }
 
@@ -366,7 +366,7 @@ public class HMSPaths implements AuthzPaths {
         boolean isPartialMatchOk, Entry lastAuthObj) {
       Entry found = null;
       if (index == pathElements.length) {
-        if (isPartialMatchOk && (getAuthzObjs().size() != 0)) {
+        if (isPartialMatchOk && getAuthzObjs().size() != 0) {
           found = this;
         }
       } else {
@@ -444,7 +444,7 @@ public class HMSPaths implements AuthzPaths {
       if (e != null) {
         newEntries.add(e);
       } else {
-        // LOG WARN IGNORING PATH, no prefix
+        LOG.warn("Ignoring path, no prefix");
       }
     }
     authzObjToPath.put(authzObj, newEntries);
@@ -468,7 +468,7 @@ public class HMSPaths implements AuthzPaths {
         if (e != null) {
           newEntries.add(e);
         } else {
-          // LOG WARN IGNORING PATH, no prefix
+          LOG.warn("Ignoring path, no prefix");
         }
       }
       entries.addAll(newEntries);
@@ -476,7 +476,7 @@ public class HMSPaths implements AuthzPaths {
       if (createNew) {
         addAuthzObject(authzObj, authzObjPathElements);
       }
-      // LOG WARN object does not exist
+      LOG.warn("Object does not exist");
     }
   }
 
@@ -500,12 +500,12 @@ public class HMSPaths implements AuthzPaths {
           entry.deleteAuthzObject(authzObj);
           toDelEntries.add(entry);
         } else {
-          // LOG WARN IGNORING PATH, it was not in registered
+          LOG.warn("Ignoring path, it was not registered");
         }
       }
       entries.removeAll(toDelEntries);
     } else {
-      // LOG WARN object does not exist
+      LOG.warn("Object does not exist");
     }
   }
 
@@ -540,7 +540,9 @@ public class HMSPaths implements AuthzPaths {
    */
   public Set<String> findAuthzObject(String[] pathElements, boolean isPartialOk) {
     // Handle '/'
-    if ((pathElements == null)||(pathElements.length == 0)) return null;
+    if (pathElements == null || pathElements.length == 0) {
+        return null;
+    }
     Entry entry = root.find(pathElements, isPartialOk);
     return (entry != null) ? entry.getAuthzObjs() : null;
   }
@@ -548,10 +550,12 @@ public class HMSPaths implements AuthzPaths {
   boolean renameAuthzObject(String oldName, List<String> oldPathElems,
       String newName, List<String> newPathElems) {
     // Handle '/'
-    if ((oldPathElems == null)||(oldPathElems.size() == 0)) return false;
+    if (oldPathElems == null || oldPathElems.size() == 0) {
+        return false;
+    }
     Entry entry =
         root.find(oldPathElems.toArray(new String[oldPathElems.size()]), false);
-    if ((entry != null) && (entry.getAuthzObjs().contains(oldName))) {
+    if (entry != null && entry.getAuthzObjs().contains(oldName)) {
       // Update pathElements
       String[] newPath = newPathElems.toArray(new String[newPathElems.size()]);
       // Can't use Lists.newArrayList() because of whacky generics

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPathsDumper.java
----------------------------------------------------------------------
diff --git a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPathsDumper.java b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPathsDumper.java
index d62222b..3203ecd 100644
--- a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPathsDumper.java
+++ b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPathsDumper.java
@@ -102,7 +102,9 @@ public class HMSPathsDumper implements AuthzPathsDumper<HMSPaths> {
         child = parent.getChildren().get(tChild.getPathElement());
         // If we havn't reached a prefix entry yet, then child should
         // already exists.. else it is not part of the prefix
-        if (child == null) continue;
+        if (child == null) {
+          continue;
+        }
         isChildPrefix = child.getType() == EntryType.PREFIX;
         // Handle case when prefix entry has an authzObject
         // For Eg (default table mapped to /user/hive/warehouse)

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/SentryHDFSServiceClient.java
----------------------------------------------------------------------
diff --git a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/SentryHDFSServiceClient.java b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/SentryHDFSServiceClient.java
index 956b855..ab12bf4 100644
--- a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/SentryHDFSServiceClient.java
+++ b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/SentryHDFSServiceClient.java
@@ -17,19 +17,17 @@
  */
 package org.apache.sentry.hdfs;
 
-import java.io.IOException;
-
 public interface SentryHDFSServiceClient {
-  public static final String SENTRY_HDFS_SERVICE_NAME = "SentryHDFSService";
+  String SENTRY_HDFS_SERVICE_NAME = "SentryHDFSService";
 
-  public void notifyHMSUpdate(PathsUpdate update)
+  void notifyHMSUpdate(PathsUpdate update)
       throws SentryHdfsServiceException;
 
-  public long getLastSeenHMSPathSeqNum() throws SentryHdfsServiceException;
+  long getLastSeenHMSPathSeqNum() throws SentryHdfsServiceException;
 
-  public SentryAuthzUpdate getAllUpdatesFrom(long permSeqNum, long pathSeqNum)
+  SentryAuthzUpdate getAllUpdatesFrom(long permSeqNum, long pathSeqNum)
       throws SentryHdfsServiceException;
 
-  public void close();
+  void close();
 }
 

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/Updateable.java
----------------------------------------------------------------------
diff --git a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/Updateable.java b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/Updateable.java
index 117fde2..4dc3a0c 100644
--- a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/Updateable.java
+++ b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/Updateable.java
@@ -28,7 +28,7 @@ public interface Updateable<K extends Updateable.Update> {
    * implementing this interface and containing the generated thrift class as
    * a work around
    */
-  public interface Update {
+  interface Update {
 
     boolean hasFullImage();
 
@@ -47,27 +47,27 @@ public interface Updateable<K extends Updateable.Update> {
    * @param lock External Lock.
    * @return
    */
-  public void updatePartial(Iterable<K> update, ReadWriteLock lock);
+  void updatePartial(Iterable<K> update, ReadWriteLock lock);
 
   /**
    * This returns a new object with the full update applied
    * @param update
    * @return
    */
-  public Updateable<K> updateFull(K update);
+  Updateable<K> updateFull(K update);
 
   /**
    * Return sequence number of Last Update
    */
-  public long getLastUpdatedSeqNum();
+  long getLastUpdatedSeqNum();
 
   /**
    * Create and Full image update of the local data structure
    * @param currSeqNum
    * @return
    */
-  public K createFullImageUpdate(long currSeqNum);
+  K createFullImageUpdate(long currSeqNum);
 
-  public String getUpdateableTypeName();
+  String getUpdateableTypeName();
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/UpdateableAuthzPaths.java
----------------------------------------------------------------------
diff --git a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/UpdateableAuthzPaths.java b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/UpdateableAuthzPaths.java
index 364a1f6..8fc5470 100644
--- a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/UpdateableAuthzPaths.java
+++ b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/UpdateableAuthzPaths.java
@@ -50,12 +50,12 @@ public class UpdateableAuthzPaths implements AuthzPaths, Updateable<PathsUpdate>
 
   @Override
   public Set<String> findAuthzObject(String[] pathElements) {
-    return  paths.findAuthzObject(pathElements);
+    return paths.findAuthzObject(pathElements);
   }
 
   @Override
   public Set<String> findAuthzObjectExactMatches(String[] pathElements) {
-    return  paths.findAuthzObjectExactMatches(pathElements);
+    return paths.findAuthzObjectExactMatches(pathElements);
   }
 
   @Override
@@ -93,16 +93,16 @@ public class UpdateableAuthzPaths implements AuthzPaths, Updateable<PathsUpdate>
       List<TPathChanges> pathChanges = update.getPathChanges();
       TPathChanges newPathInfo = null;
       TPathChanges oldPathInfo = null;
-      if ((pathChanges.get(0).getAddPathsSize() == 1)
-          && (pathChanges.get(1).getDelPathsSize() == 1)) {
+      if (pathChanges.get(0).getAddPathsSize() == 1
+          && pathChanges.get(1).getDelPathsSize() == 1) {
         newPathInfo = pathChanges.get(0);
         oldPathInfo = pathChanges.get(1);
-      } else if ((pathChanges.get(1).getAddPathsSize() == 1)
-          && (pathChanges.get(0).getDelPathsSize() == 1)) {
+      } else if (pathChanges.get(1).getAddPathsSize() == 1
+          && pathChanges.get(0).getDelPathsSize() == 1) {
         newPathInfo = pathChanges.get(1);
         oldPathInfo = pathChanges.get(0);
       }
-      if ((newPathInfo != null)&&(oldPathInfo != null)) {
+      if (newPathInfo != null && oldPathInfo != null) {
         paths.renameAuthzObject(
             oldPathInfo.getAuthzObj(), oldPathInfo.getDelPaths().get(0),
             newPathInfo.getAuthzObj(), newPathInfo.getAddPaths().get(0));
@@ -113,8 +113,8 @@ public class UpdateableAuthzPaths implements AuthzPaths, Updateable<PathsUpdate>
       paths.addPathsToAuthzObject(pathChanges.getAuthzObj(), pathChanges
           .getAddPaths(), true);
       List<List<String>> delPaths = pathChanges.getDelPaths();
-      if ((delPaths.size() == 1) && (delPaths.get(0).size() == 1)
-          && (delPaths.get(0).get(0).equals(PathsUpdate.ALL_PATHS))) {
+      if (delPaths.size() == 1 && delPaths.get(0).size() == 1
+          && delPaths.get(0).get(0).equals(PathsUpdate.ALL_PATHS)) {
         // Remove all paths.. eg. drop table
         paths.deleteAuthzObject(pathChanges.getAuthzObj());
       } else {

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/ha/HdfsHAClientInvocationHandler.java
----------------------------------------------------------------------
diff --git a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/ha/HdfsHAClientInvocationHandler.java b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/ha/HdfsHAClientInvocationHandler.java
index ec66b2d..6138b8c 100644
--- a/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/ha/HdfsHAClientInvocationHandler.java
+++ b/sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/ha/HdfsHAClientInvocationHandler.java
@@ -59,44 +59,42 @@ public class HdfsHAClientInvocationHandler implements InvocationHandler {
   public Object invoke(Object proxy, Method method, Object[] args) throws
  SentryHdfsServiceException {
     Object result = null;
-    while (true) {
-      try {
-        if (!method.isAccessible()) {
-          method.setAccessible(true);
-        }
-        // The client is initialized in the first call instead of constructor.
-        // This way we can propagate the connection exception to caller cleanly
-        if (client == null) {
-          renewSentryClient();
-        }
-        result = method.invoke(client, args);
-      } catch (IllegalAccessException e) {
-        throw new SentryHdfsServiceException(e.getMessage(), e.getCause());
-      } catch (InvocationTargetException e) {
-        if (!(e.getTargetException() instanceof SentryHdfsServiceException)) {
-          throw new SentryHdfsServiceException("Error in Sentry HDFS client",
-              e.getTargetException());
-        } else {
-          LOGGER.warn(THRIFT_EXCEPTION_MESSAGE + ": Error in connect current" +
-              " service, will retry other service.", e);
-          if (client != null) {
-            client.close();
-            client = null;
-          }
-          throw (SentryHdfsServiceException) e.getTargetException();
-        }
-      } catch (IOException e1) {
-        // close() doesn't throw exception we supress that in case of connection
-        // loss. Changing SentryPolicyServiceClient#close() to throw an
-        // exception would be a backward incompatible change for Sentry clients.
-        if ("close".equals(method.getName())) {
-          return null;
+    try {
+      if (!method.isAccessible()) {
+        method.setAccessible(true);
+      }
+      // The client is initialized in the first call instead of constructor.
+      // This way we can propagate the connection exception to caller cleanly
+      if (client == null) {
+        renewSentryClient();
+      }
+      result = method.invoke(client, args);
+    } catch (IllegalAccessException e) {
+      throw new SentryHdfsServiceException(e.getMessage(), e.getCause());
+    } catch (InvocationTargetException e) {
+      if (!(e.getTargetException() instanceof SentryHdfsServiceException)) {
+        throw new SentryHdfsServiceException("Error in Sentry HDFS client",
+            e.getTargetException());
+      } else {
+        LOGGER.warn(THRIFT_EXCEPTION_MESSAGE + ": Error in connect current" +
+            " service, will retry other service.", e);
+        if (client != null) {
+          client.close();
+          client = null;
         }
-        throw new SentryHdfsServiceException(
-            "Error connecting to sentry service " + e1.getMessage(), e1);
+        throw (SentryHdfsServiceException) e.getTargetException();
+      }
+    } catch (IOException e1) {
+      // close() doesn't throw exception we supress that in case of connection
+      // loss. Changing SentryPolicyServiceClient#close() to throw an
+      // exception would be a backward incompatible change for Sentry clients.
+      if ("close".equals(method.getName())) {
+        return null;
       }
-      return result;
+      throw new SentryHdfsServiceException(
+          "Error connecting to sentry service " + e1.getMessage(), e1);
     }
+    return result;
   }
 
   // Retrieve the new connection endpoint from ZK and connect to new server

http://git-wip-us.apache.org/repos/asf/incubator-sentry/blob/95b1e40e/sentry-hdfs/sentry-hdfs-common/src/test/java/org/apache/sentry/hdfs/TestHMSPathsFullDump.java
----------------------------------------------------------------------
diff --git a/sentry-hdfs/sentry-hdfs-common/src/test/java/org/apache/sentry/hdfs/TestHMSPathsFullDump.java b/sentry-hdfs/sentry-hdfs-common/src/test/java/org/apache/sentry/hdfs/TestHMSPathsFullDump.java
index b43ad0e..735b5d7 100644
--- a/sentry-hdfs/sentry-hdfs-common/src/test/java/org/apache/sentry/hdfs/TestHMSPathsFullDump.java
+++ b/sentry-hdfs/sentry-hdfs-common/src/test/java/org/apache/sentry/hdfs/TestHMSPathsFullDump.java
@@ -33,10 +33,6 @@ import java.util.Arrays;
 import java.util.HashSet;
 import java.io.IOException;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-
 public class TestHMSPathsFullDump {
   private static boolean useCompact = true;