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From co...@apache.org
Subject [2/2] sentry git commit: SENTRY-1289: Move exception to sentry-core-common module (Colin Ma, reviewed by Dapeng Sun)
Date Mon, 23 May 2016 07:44:45 GMT
SENTRY-1289: Move exception to sentry-core-common module (Colin Ma, reviewed by Dapeng Sun)


Project: http://git-wip-us.apache.org/repos/asf/sentry/repo
Commit: http://git-wip-us.apache.org/repos/asf/sentry/commit/f6f730c3
Tree: http://git-wip-us.apache.org/repos/asf/sentry/tree/f6f730c3
Diff: http://git-wip-us.apache.org/repos/asf/sentry/diff/f6f730c3

Branch: refs/heads/master
Commit: f6f730c32874dd70062c283eeb80632c7fe5282b
Parents: 6c453a0
Author: Colin Ma <colin@apache.org>
Authored: Mon May 23 16:21:21 2016 +0800
Committer: Colin Ma <colin@apache.org>
Committed: Mon May 23 16:21:21 2016 +0800

----------------------------------------------------------------------
 .../hive/SentryIniPolicyFileFormatter.java      |  2 +-
 .../binding/hive/authz/HiveAuthzBinding.java    |  2 +-
 .../binding/hive/authz/SentryConfigTool.java    |  2 +-
 .../SentryMetastorePostEventListenerBase.java   |  2 +-
 .../hive/ql/exec/SentryGrantRevokeTask.java     |  4 +-
 .../metastore/MetastoreAuthzBinding.java        |  2 +-
 .../SentryMetastorePostEventListener.java       |  2 +-
 .../binding/hive/TestHiveAuthzBindings.java     |  2 +-
 .../sentry/kafka/binding/KafkaAuthBinding.java  |  2 +-
 .../binding/solr/authz/SolrAuthzBinding.java    |  2 +-
 .../binding/solr/TestSolrAuthzBinding.java      |  2 +-
 .../sentry/sqoop/binding/SqoopAuthBinding.java  |  2 +-
 .../org/apache/sentry/SentryUserException.java  | 38 -----------
 .../common/SentryConfigurationException.java    | 68 --------------------
 .../exception/ConnectionDeniedException.java    | 36 +++++++++++
 .../exception/SentryAccessDeniedException.java  | 28 ++++++++
 .../exception/SentryAlreadyExistsException.java | 28 ++++++++
 .../exception/SentryConfigurationException.java | 68 ++++++++++++++++++++
 .../exception/SentryGrantDeniedException.java   | 25 +++++++
 .../exception/SentryGroupNotFoundException.java | 61 ++++++++++++++++++
 .../exception/SentryInvalidInputException.java  | 28 ++++++++
 .../exception/SentryNoSuchObjectException.java  | 28 ++++++++
 .../SentrySiteConfigurationException.java       | 28 ++++++++
 .../SentryThriftAPIMismatchException.java       | 28 ++++++++
 .../common/exception/SentryUserException.java   | 38 +++++++++++
 .../validator/IndexerRequiredInPrivilege.java   |  2 +-
 .../CollectionRequiredInPrivilege.java          |  2 +-
 .../sentry/policy/common/PolicyEngine.java      |  2 +-
 .../engine/common/CommonPolicyEngine.java       |  2 +-
 .../indexer/SimpleIndexerPolicyEngine.java      |  2 +-
 .../cache/SimpleCacheProviderBackend.java       |  2 +-
 .../provider/common/AuthorizationProvider.java  |  2 +-
 .../common/HadoopGroupMappingService.java       |  1 +
 .../common/NoAuthorizationProvider.java         |  2 +-
 .../sentry/provider/common/ProviderBackend.java |  2 +-
 .../common/ResourceAuthorizationProvider.java   |  2 +-
 .../common/SentryGroupNotFoundException.java    | 61 ------------------
 .../provider/common/TestGetGroupMapping.java    |  2 +-
 .../db/SentryAccessDeniedException.java         | 30 ---------
 .../db/SentryAlreadyExistsException.java        | 30 ---------
 .../provider/db/SentryGrantDeniedException.java | 25 -------
 .../db/SentryInvalidInputException.java         | 30 ---------
 .../db/SentryNoSuchObjectException.java         | 30 ---------
 .../provider/db/SentryPolicyStorePlugin.java    |  2 +-
 .../db/SentryThriftAPIMismatchException.java    | 30 ---------
 .../provider/db/SimpleDBProviderBackend.java    |  2 +-
 .../generic/SentryGenericProviderBackend.java   |  4 +-
 .../service/persistent/DelegateSentryStore.java | 16 ++---
 .../persistent/PrivilegeOperatePersistence.java |  2 +-
 .../service/persistent/SentryStoreLayer.java    |  6 +-
 .../thrift/SentryGenericPolicyProcessor.java    | 24 +++----
 .../thrift/SentryGenericServiceClient.java      |  2 +-
 .../SentryGenericServiceClientDefaultImpl.java  |  2 +-
 .../db/generic/tools/SentryConfigToolSolr.java  |  2 +-
 .../db/service/persistent/SentryStore.java      | 18 +++---
 .../persistent/SentryStoreSchemaInfo.java       |  2 +-
 .../thrift/SentryConfigurationException.java    | 30 ---------
 .../thrift/SentryPolicyServiceClient.java       |  2 +-
 .../SentryPolicyServiceClientDefaultImpl.java   |  2 +-
 .../thrift/SentryPolicyStoreProcessor.java      | 23 +++----
 .../provider/db/tools/SentrySchemaTool.java     |  6 +-
 .../thrift/ConnectionDeniedException.java       | 36 -----------
 .../sentry/service/thrift/GSSCallback.java      |  1 +
 .../thrift/HAClientInvocationHandler.java       |  2 +-
 .../thrift/PoolClientInvocationHandler.java     |  2 +-
 .../apache/sentry/service/thrift/Status.java    | 12 ++--
 .../persistent/TestDelegateSentryStore.java     |  4 +-
 .../TestPrivilegeOperatePersistence.java        |  4 +-
 .../TestSentryGenericPolicyProcessor.java       | 14 ++--
 .../TestSentryGenericServiceIntegration.java    |  2 +-
 .../generic/tools/TestSentryConfigToolSolr.java |  2 +-
 .../db/generic/tools/TestSentryShellKafka.java  |  2 +-
 .../db/generic/tools/TestSentryShellSolr.java   |  2 +-
 .../db/service/persistent/TestSentryStore.java  |  6 +-
 .../service/persistent/TestSentryVersion.java   |  2 +-
 .../thrift/TestSentryPolicyStoreProcessor.java  |  9 +--
 .../thrift/TestSentryServiceClientPool.java     |  2 +-
 .../thrift/TestSentryServiceIntegration.java    |  2 +-
 .../TestSentryServiceWithInvalidMsgSize.java    |  2 +-
 .../provider/db/tools/TestSentrySchemaTool.java |  2 +-
 .../provider/db/tools/TestSentryShellHive.java  |  2 +-
 .../provider/file/LocalGroupMappingService.java |  2 +-
 .../file/SimpleFileProviderBackend.java         |  2 +-
 .../provider/file/TestLocalGroupMapping.java    |  2 +-
 .../SentryIndexAuthorizationSingletonTest.java  |  2 +-
 .../e2e/dbprovider/TestColumnEndToEnd.java      |  2 +-
 .../e2e/dbprovider/TestDatabaseProvider.java    |  9 +--
 .../tests/e2e/dbprovider/TestDbConnections.java |  4 +-
 .../tests/e2e/dbprovider/TestDbEndToEnd.java    |  2 +-
 .../TestDbSentryOnFailureHookLoading.java       |  2 +-
 .../TestPrivilegeWithGrantOption.java           |  2 +-
 .../TestPrivilegeWithHAGrantOption.java         |  2 +-
 .../sentry/tests/e2e/ha/TestHaEnd2End.java      |  2 +-
 .../tests/e2e/hdfs/TestHDFSIntegration.java     |  2 +-
 .../sentry/tests/e2e/hive/TestConfigTool.java   |  2 +-
 .../metastore/SentryPolicyProviderForDb.java    |  2 +-
 .../AbstractSolrSentryTestWithDbProvider.java   |  2 +-
 97 files changed, 536 insertions(+), 547 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/SentryIniPolicyFileFormatter.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/SentryIniPolicyFileFormatter.java b/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/SentryIniPolicyFileFormatter.java
index 34ccdc7..29b3192 100644
--- a/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/SentryIniPolicyFileFormatter.java
+++ b/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/SentryIniPolicyFileFormatter.java
@@ -27,7 +27,7 @@ import com.google.common.collect.Sets;
 import org.apache.commons.lang.StringUtils;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.core.common.utils.SentryConstants;
 import org.apache.sentry.core.common.utils.PolicyFileConstants;
 import org.apache.sentry.provider.file.PolicyFiles;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java b/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java
index b2b3be8..8ce7a02 100644
--- a/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java
+++ b/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/HiveAuthzBinding.java
@@ -29,7 +29,7 @@ import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
 import org.apache.hadoop.hive.ql.metadata.AuthorizationException;
 import org.apache.hadoop.hive.ql.plan.HiveOperation;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf.AuthzConfVars;
 import org.apache.sentry.binding.hive.conf.InvalidConfigurationException;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java b/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java
index 694974e..a3140f2 100644
--- a/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java
+++ b/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/hive/authz/SentryConfigTool.java
@@ -49,7 +49,7 @@ import org.apache.sentry.binding.hive.SentryPolicyFileFormatFactory;
 import org.apache.sentry.binding.hive.SentryPolicyFileFormatter;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf.AuthzConfVars;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.core.common.Subject;
 import org.apache.sentry.core.model.db.Server;
 import org.apache.sentry.provider.common.AuthorizationProvider;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListenerBase.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListenerBase.java b/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListenerBase.java
index d1197a4..46363a5 100644
--- a/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListenerBase.java
+++ b/sentry-binding/sentry-binding-hive-common/src/main/java/org/apache/sentry/binding/metastore/SentryMetastorePostEventListenerBase.java
@@ -35,7 +35,7 @@ import org.apache.hadoop.hive.metastore.events.DropDatabaseEvent;
 import org.apache.hadoop.hive.metastore.events.DropPartitionEvent;
 import org.apache.hadoop.hive.metastore.events.DropTableEvent;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf.AuthzConfVars;
 import org.apache.sentry.core.common.Authorizable;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/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 dacf839..da587d0 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
@@ -54,7 +54,7 @@ import org.apache.hadoop.hive.ql.plan.api.StageType;
 import org.apache.hadoop.hive.ql.security.authorization.PrivilegeType;
 import org.apache.hadoop.hive.ql.session.SessionState;
 import org.apache.hadoop.hive.ql.session.SessionState.LogHelper;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.binding.hive.HiveAuthzBindingHookBase;
 import org.apache.sentry.binding.hive.SentryOnFailureHookContext;
 import org.apache.sentry.binding.hive.SentryOnFailureHookContextImpl;
@@ -71,7 +71,7 @@ import org.apache.sentry.core.model.db.Column;
 import org.apache.sentry.core.model.db.Database;
 import org.apache.sentry.core.model.db.Server;
 import org.apache.sentry.core.model.db.Table;
-import org.apache.sentry.provider.db.SentryAccessDeniedException;
+import org.apache.sentry.core.common.exception.SentryAccessDeniedException;
 import org.apache.sentry.provider.db.service.thrift.SentryPolicyServiceClient;
 import org.apache.sentry.provider.db.service.thrift.TSentryGrantOption;
 import org.apache.sentry.provider.db.service.thrift.TSentryPrivilege;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/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 9805635..5beda9f 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
@@ -26,7 +26,7 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hive.metastore.api.InvalidOperationException;
 import org.apache.hadoop.hive.ql.metadata.AuthorizationException;
 import org.apache.hadoop.hive.ql.plan.HiveOperation;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.binding.hive.authz.HiveAuthzPrivilegesMap;
 import org.apache.sentry.core.common.Subject;
 import org.apache.sentry.core.model.db.DBModelAuthorizable;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/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 452757e..d12ac15 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
@@ -35,7 +35,7 @@ import org.apache.hadoop.hive.metastore.events.DropDatabaseEvent;
 import org.apache.hadoop.hive.metastore.events.DropPartitionEvent;
 import org.apache.hadoop.hive.metastore.events.DropTableEvent;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf;
 import org.apache.sentry.binding.hive.conf.HiveAuthzConf.AuthzConfVars;
 import org.apache.sentry.core.common.Authorizable;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-binding/sentry-binding-hive/src/test/java/org/apache/sentry/binding/hive/TestHiveAuthzBindings.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-hive/src/test/java/org/apache/sentry/binding/hive/TestHiveAuthzBindings.java b/sentry-binding/sentry-binding-hive/src/test/java/org/apache/sentry/binding/hive/TestHiveAuthzBindings.java
index 24fddf8..2ad7dc4 100644
--- a/sentry-binding/sentry-binding-hive/src/test/java/org/apache/sentry/binding/hive/TestHiveAuthzBindings.java
+++ b/sentry-binding/sentry-binding-hive/src/test/java/org/apache/sentry/binding/hive/TestHiveAuthzBindings.java
@@ -42,7 +42,7 @@ import org.apache.sentry.core.model.db.DBModelAuthorizable;
 import org.apache.sentry.core.model.db.Database;
 import org.apache.sentry.core.model.db.Server;
 import org.apache.sentry.core.model.db.Table;
-import org.apache.sentry.provider.common.SentryGroupNotFoundException;
+import org.apache.sentry.core.common.exception.SentryGroupNotFoundException;
 import org.apache.sentry.provider.file.PolicyFiles;
 import org.junit.After;
 import org.junit.Before;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-binding/sentry-binding-kafka/src/main/java/org/apache/sentry/kafka/binding/KafkaAuthBinding.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-kafka/src/main/java/org/apache/sentry/kafka/binding/KafkaAuthBinding.java b/sentry-binding/sentry-binding-kafka/src/main/java/org/apache/sentry/kafka/binding/KafkaAuthBinding.java
index 15f7359..cc5194b 100644
--- a/sentry-binding/sentry-binding-kafka/src/main/java/org/apache/sentry/kafka/binding/KafkaAuthBinding.java
+++ b/sentry-binding/sentry-binding-kafka/src/main/java/org/apache/sentry/kafka/binding/KafkaAuthBinding.java
@@ -39,7 +39,7 @@ import org.apache.hadoop.security.SecurityUtil;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.kafka.common.KafkaException;
 import org.apache.kafka.common.security.auth.KafkaPrincipal;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
 import org.apache.sentry.core.common.Model;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/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 7280bad..2400673 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
@@ -31,7 +31,7 @@ import java.util.Set;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.binding.solr.conf.SolrAuthzConf;
 import org.apache.sentry.binding.solr.conf.SolrAuthzConf.AuthzConfVars;
 import org.apache.sentry.core.common.Action;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-binding/sentry-binding-solr/src/test/java/org/apache/sentry/binding/solr/TestSolrAuthzBinding.java
----------------------------------------------------------------------
diff --git a/sentry-binding/sentry-binding-solr/src/test/java/org/apache/sentry/binding/solr/TestSolrAuthzBinding.java b/sentry-binding/sentry-binding-solr/src/test/java/org/apache/sentry/binding/solr/TestSolrAuthzBinding.java
index 182aa39..c88ac94 100644
--- a/sentry-binding/sentry-binding-solr/src/test/java/org/apache/sentry/binding/solr/TestSolrAuthzBinding.java
+++ b/sentry-binding/sentry-binding-solr/src/test/java/org/apache/sentry/binding/solr/TestSolrAuthzBinding.java
@@ -43,7 +43,7 @@ import org.apache.sentry.binding.solr.conf.SolrAuthzConf.AuthzConfVars;
 import org.apache.sentry.core.common.Subject;
 import org.apache.sentry.core.model.search.Collection;
 import org.apache.sentry.core.model.search.SearchModelAction;
-import org.apache.sentry.provider.common.SentryGroupNotFoundException;
+import org.apache.sentry.core.common.exception.SentryGroupNotFoundException;
 import org.apache.sentry.provider.file.PolicyFiles;
 import org.junit.After;
 import org.junit.Before;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/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 731541d..84a61cc 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
@@ -22,7 +22,7 @@ import java.util.Set;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
 import org.apache.sentry.core.common.Model;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/SentryUserException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/SentryUserException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/SentryUserException.java
deleted file mode 100644
index 3745f11..0000000
--- a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/SentryUserException.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/**
- * 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.
- */
-package org.apache.sentry;
-
-public class SentryUserException extends Exception{
-  private static final long serialVersionUID = 2329620558380655835L;
-  private String reason;
-  public SentryUserException(String msg) {
-    super(msg);
-  }
-  public SentryUserException(String msg, String reason) {
-    super(msg);
-    this.reason = reason;
-  }
-  public SentryUserException(String msg, Throwable t) {
-    super(msg, t);
-    reason = t.getMessage();
-  }
-  public String getReason() {
-    return reason;
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/SentryConfigurationException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/SentryConfigurationException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/SentryConfigurationException.java
deleted file mode 100644
index 10d66f5..0000000
--- a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/SentryConfigurationException.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * 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.
- */
-package org.apache.sentry.core.common;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.apache.shiro.config.ConfigurationException;
-
-public class SentryConfigurationException extends ConfigurationException {
-  private static final long serialVersionUID = -116202866086371884L;
-  private List<String> configErrors = new ArrayList<String>();
-  private List<String> configWarnings = new ArrayList<String>();
-
-  public boolean hasWarnings() {
-    return !configWarnings.isEmpty();
-  }
-
-  public boolean hasErrors() {
-    return !configErrors.isEmpty();
-  }
-
-  public SentryConfigurationException() {
-    super();
-  }
-
-  public SentryConfigurationException(String message, Throwable cause) {
-    super(message, cause);
-  }
-
-  public SentryConfigurationException(String message) {
-    super(message);
-  }
-
-  public SentryConfigurationException(Throwable cause) {
-    super(cause);
-  }
-
-  public List<String> getConfigErrors() {
-    return configErrors;
-  }
-
-  public void setConfigErrors(List<String> configErrors) {
-    this.configErrors = configErrors;
-  }
-
-  public List<String> getConfigWarnings() {
-    return configWarnings;
-  }
-
-  public void setConfigWarnings(List<String> configWarnings) {
-    this.configWarnings = configWarnings;
-  }
-}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/ConnectionDeniedException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/ConnectionDeniedException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/ConnectionDeniedException.java
new file mode 100644
index 0000000..e2b8a37
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/ConnectionDeniedException.java
@@ -0,0 +1,36 @@
+/**
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+
+public class ConnectionDeniedException extends UnsupportedCallbackException {
+
+  private static final long serialVersionUID = 653174214903923178L;
+  private String connectionPrincipal;
+
+  public ConnectionDeniedException(Callback callback, String message, String connectionPrincipal) {
+    super(callback, message);
+    this.connectionPrincipal = connectionPrincipal;
+  }
+
+  public String getConnectionPrincipal() {
+    return connectionPrincipal;
+  }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryAccessDeniedException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryAccessDeniedException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryAccessDeniedException.java
new file mode 100644
index 0000000..73420ff
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryAccessDeniedException.java
@@ -0,0 +1,28 @@
+/**
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+public class SentryAccessDeniedException extends SentryUserException {
+  private static final long serialVersionUID = 2962080655835L;
+  public SentryAccessDeniedException(String msg) {
+    super(msg);
+  }
+  public SentryAccessDeniedException(String msg, String reason) {
+    super(msg, reason);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryAlreadyExistsException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryAlreadyExistsException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryAlreadyExistsException.java
new file mode 100644
index 0000000..f29c42f
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryAlreadyExistsException.java
@@ -0,0 +1,28 @@
+/**
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+public class SentryAlreadyExistsException extends SentryUserException {
+  private static final long serialVersionUID = 1298632655835L;
+  public SentryAlreadyExistsException(String msg) {
+    super(msg);
+  }
+  public SentryAlreadyExistsException(String msg, String reason) {
+    super(msg, reason);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryConfigurationException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryConfigurationException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryConfigurationException.java
new file mode 100644
index 0000000..a2156bb
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryConfigurationException.java
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.shiro.config.ConfigurationException;
+
+public class SentryConfigurationException extends ConfigurationException {
+  private static final long serialVersionUID = -116202866086371884L;
+  private List<String> configErrors = new ArrayList<String>();
+  private List<String> configWarnings = new ArrayList<String>();
+
+  public boolean hasWarnings() {
+    return !configWarnings.isEmpty();
+  }
+
+  public boolean hasErrors() {
+    return !configErrors.isEmpty();
+  }
+
+  public SentryConfigurationException() {
+    super();
+  }
+
+  public SentryConfigurationException(String message, Throwable cause) {
+    super(message, cause);
+  }
+
+  public SentryConfigurationException(String message) {
+    super(message);
+  }
+
+  public SentryConfigurationException(Throwable cause) {
+    super(cause);
+  }
+
+  public List<String> getConfigErrors() {
+    return configErrors;
+  }
+
+  public void setConfigErrors(List<String> configErrors) {
+    this.configErrors = configErrors;
+  }
+
+  public List<String> getConfigWarnings() {
+    return configWarnings;
+  }
+
+  public void setConfigWarnings(List<String> configWarnings) {
+    this.configWarnings = configWarnings;
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryGrantDeniedException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryGrantDeniedException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryGrantDeniedException.java
new file mode 100644
index 0000000..02bd555
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryGrantDeniedException.java
@@ -0,0 +1,25 @@
+/**
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+public class SentryGrantDeniedException extends SentryAccessDeniedException {
+  private static final long serialVersionUID = 1962330785835L;
+  public SentryGrantDeniedException(String msg) {
+    super(msg);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryGroupNotFoundException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryGroupNotFoundException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryGroupNotFoundException.java
new file mode 100644
index 0000000..b978df6
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryGroupNotFoundException.java
@@ -0,0 +1,61 @@
+/*
+ * 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.
+ */
+
+package org.apache.sentry.core.common.exception;
+
+public class SentryGroupNotFoundException extends RuntimeException {
+  private static final long serialVersionUID = -116202866086371881L;
+
+  /**
+   * Creates a new SentryGroupNotFoundException.
+   */
+  public SentryGroupNotFoundException() {
+    super();
+  }
+
+  /**
+   * Constructs a new SentryGroupNotFoundException.
+   *
+   * @param message
+   *        the reason for the exception
+   */
+  public SentryGroupNotFoundException(String message) {
+    super(message);
+  }
+
+  /**
+   * Constructs a new SentryGroupNotFoundException.
+   *
+   * @param cause
+   *        the underlying Throwable that caused this exception to be thrown.
+   */
+  public SentryGroupNotFoundException(Throwable cause) {
+    super(cause);
+  }
+
+  /**
+   * Constructs a new SentryGroupNotFoundException.
+   *
+   * @param message
+   *        the reason for the exception
+   * @param cause
+   *        the underlying Throwable that caused this exception to be thrown.
+   */
+  public SentryGroupNotFoundException(String message, Throwable cause) {
+    super(message, cause);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryInvalidInputException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryInvalidInputException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryInvalidInputException.java
new file mode 100644
index 0000000..903eddc
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryInvalidInputException.java
@@ -0,0 +1,28 @@
+/**
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+public class SentryInvalidInputException extends SentryUserException {
+  private static final long serialVersionUID = 2962080655835L;
+  public SentryInvalidInputException(String msg) {
+    super(msg);
+  }
+  public SentryInvalidInputException(String msg, String reason) {
+    super(msg, reason);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryNoSuchObjectException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryNoSuchObjectException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryNoSuchObjectException.java
new file mode 100644
index 0000000..70719e4
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryNoSuchObjectException.java
@@ -0,0 +1,28 @@
+/**
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+public class SentryNoSuchObjectException extends SentryUserException {
+  private static final long serialVersionUID = 2962080655835L;
+  public SentryNoSuchObjectException(String msg) {
+    super(msg);
+  }
+  public SentryNoSuchObjectException(String msg, String reason) {
+    super(msg, reason);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentrySiteConfigurationException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentrySiteConfigurationException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentrySiteConfigurationException.java
new file mode 100644
index 0000000..6f731cb
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentrySiteConfigurationException.java
@@ -0,0 +1,28 @@
+/**
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+public class SentrySiteConfigurationException extends SentryUserException {
+  private static final long serialVersionUID = 1298632655835L;
+  public SentrySiteConfigurationException(String msg) {
+    super(msg);
+  }
+  public SentrySiteConfigurationException(String msg, Throwable t) {
+    super(msg, t);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryThriftAPIMismatchException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryThriftAPIMismatchException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryThriftAPIMismatchException.java
new file mode 100644
index 0000000..1f9e659
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryThriftAPIMismatchException.java
@@ -0,0 +1,28 @@
+/**
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+public class SentryThriftAPIMismatchException extends SentryUserException {
+  private static final long serialVersionUID = 7535410604425511738L;
+  public SentryThriftAPIMismatchException(String msg) {
+    super(msg);
+  }
+  public SentryThriftAPIMismatchException(String msg, String reason) {
+    super(msg, reason);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryUserException.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryUserException.java b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryUserException.java
new file mode 100644
index 0000000..3b5beda
--- /dev/null
+++ b/sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/exception/SentryUserException.java
@@ -0,0 +1,38 @@
+/**
+ * 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.
+ */
+package org.apache.sentry.core.common.exception;
+
+public class SentryUserException extends Exception{
+  private static final long serialVersionUID = 2329620558380655835L;
+  private String reason;
+  public SentryUserException(String msg) {
+    super(msg);
+  }
+  public SentryUserException(String msg, String reason) {
+    super(msg);
+    this.reason = reason;
+  }
+  public SentryUserException(String msg, Throwable t) {
+    super(msg, t);
+    reason = t.getMessage();
+  }
+  public String getReason() {
+    return reason;
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/validator/IndexerRequiredInPrivilege.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/validator/IndexerRequiredInPrivilege.java b/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/validator/IndexerRequiredInPrivilege.java
index 82bc25d..013c572 100644
--- a/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/validator/IndexerRequiredInPrivilege.java
+++ b/sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/validator/IndexerRequiredInPrivilege.java
@@ -16,7 +16,7 @@
  */
 package org.apache.sentry.core.model.indexer.validator;
 
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.core.model.indexer.Indexer;
 import org.apache.sentry.core.model.indexer.IndexerModelAuthorizable;
 import org.apache.sentry.core.common.validator.PrivilegeValidatorContext;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/validator/CollectionRequiredInPrivilege.java
----------------------------------------------------------------------
diff --git a/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/validator/CollectionRequiredInPrivilege.java b/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/validator/CollectionRequiredInPrivilege.java
index 17b87df..93b3861 100644
--- a/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/validator/CollectionRequiredInPrivilege.java
+++ b/sentry-core/sentry-core-model-search/src/main/java/org/apache/sentry/core/model/search/validator/CollectionRequiredInPrivilege.java
@@ -16,7 +16,7 @@
  */
 package org.apache.sentry.core.model.search.validator;
 
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.core.model.search.Collection;
 import org.apache.sentry.core.model.search.SearchModelAuthorizable;
 import org.apache.sentry.core.common.validator.PrivilegeValidatorContext;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-policy/sentry-policy-common/src/main/java/org/apache/sentry/policy/common/PolicyEngine.java
----------------------------------------------------------------------
diff --git a/sentry-policy/sentry-policy-common/src/main/java/org/apache/sentry/policy/common/PolicyEngine.java b/sentry-policy/sentry-policy-common/src/main/java/org/apache/sentry/policy/common/PolicyEngine.java
index b7d8c32..2396c97 100644
--- a/sentry-policy/sentry-policy-common/src/main/java/org/apache/sentry/policy/common/PolicyEngine.java
+++ b/sentry-policy/sentry-policy-common/src/main/java/org/apache/sentry/policy/common/PolicyEngine.java
@@ -23,7 +23,7 @@ import javax.annotation.concurrent.ThreadSafe;
 
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 
 import com.google.common.collect.ImmutableSet;
 /**

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-policy/sentry-policy-engine/src/main/java/org/apache/sentry/policy/engine/common/CommonPolicyEngine.java
----------------------------------------------------------------------
diff --git a/sentry-policy/sentry-policy-engine/src/main/java/org/apache/sentry/policy/engine/common/CommonPolicyEngine.java b/sentry-policy/sentry-policy-engine/src/main/java/org/apache/sentry/policy/engine/common/CommonPolicyEngine.java
index 16e1ba2..ee25427 100644
--- a/sentry-policy/sentry-policy-engine/src/main/java/org/apache/sentry/policy/engine/common/CommonPolicyEngine.java
+++ b/sentry-policy/sentry-policy-engine/src/main/java/org/apache/sentry/policy/engine/common/CommonPolicyEngine.java
@@ -19,7 +19,7 @@ package org.apache.sentry.policy.engine.common;
 import com.google.common.collect.ImmutableSet;
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.policy.common.PolicyEngine;
 import org.apache.sentry.policy.common.PrivilegeFactory;
 import org.apache.sentry.provider.common.ProviderBackend;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-policy/sentry-policy-indexer/src/main/java/org/apache/sentry/policy/indexer/SimpleIndexerPolicyEngine.java
----------------------------------------------------------------------
diff --git a/sentry-policy/sentry-policy-indexer/src/main/java/org/apache/sentry/policy/indexer/SimpleIndexerPolicyEngine.java b/sentry-policy/sentry-policy-indexer/src/main/java/org/apache/sentry/policy/indexer/SimpleIndexerPolicyEngine.java
index 7b1536a..932690c 100644
--- a/sentry-policy/sentry-policy-indexer/src/main/java/org/apache/sentry/policy/indexer/SimpleIndexerPolicyEngine.java
+++ b/sentry-policy/sentry-policy-indexer/src/main/java/org/apache/sentry/policy/indexer/SimpleIndexerPolicyEngine.java
@@ -20,7 +20,7 @@ import java.util.Set;
 
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.policy.common.PrivilegeFactory;
 import org.apache.sentry.policy.common.PolicyEngine;
 import org.apache.sentry.provider.common.ProviderBackend;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-cache/src/main/java/org/apache/sentry/provider/cache/SimpleCacheProviderBackend.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-cache/src/main/java/org/apache/sentry/provider/cache/SimpleCacheProviderBackend.java b/sentry-provider/sentry-provider-cache/src/main/java/org/apache/sentry/provider/cache/SimpleCacheProviderBackend.java
index d8b9063..b3db752 100644
--- a/sentry-provider/sentry-provider-cache/src/main/java/org/apache/sentry/provider/cache/SimpleCacheProviderBackend.java
+++ b/sentry-provider/sentry-provider-cache/src/main/java/org/apache/sentry/provider/cache/SimpleCacheProviderBackend.java
@@ -22,7 +22,7 @@ import java.util.Set;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.provider.common.ProviderBackend;
 import org.apache.sentry.provider.common.ProviderBackendContext;
 

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/AuthorizationProvider.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/AuthorizationProvider.java b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/AuthorizationProvider.java
index 7141e81..2d82bcf 100644
--- a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/AuthorizationProvider.java
+++ b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/AuthorizationProvider.java
@@ -24,7 +24,7 @@ import javax.annotation.concurrent.ThreadSafe;
 import org.apache.sentry.core.common.Action;
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.core.common.Subject;
 import org.apache.sentry.policy.common.PolicyEngine;
 

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/HadoopGroupMappingService.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/HadoopGroupMappingService.java b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/HadoopGroupMappingService.java
index f599dbb..bde53d5 100644
--- a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/HadoopGroupMappingService.java
+++ b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/HadoopGroupMappingService.java
@@ -26,6 +26,7 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.Groups;
 
 import com.google.common.collect.Lists;
+import org.apache.sentry.core.common.exception.SentryGroupNotFoundException;
 
 public class HadoopGroupMappingService implements GroupMappingService {
 

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/NoAuthorizationProvider.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/NoAuthorizationProvider.java b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/NoAuthorizationProvider.java
index 82b215c..be0830d 100644
--- a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/NoAuthorizationProvider.java
+++ b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/NoAuthorizationProvider.java
@@ -24,7 +24,7 @@ import java.util.Set;
 import org.apache.sentry.core.common.Action;
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.core.common.Subject;
 import org.apache.sentry.policy.common.PolicyEngine;
 

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ProviderBackend.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ProviderBackend.java b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ProviderBackend.java
index c78718c..761fb52 100644
--- a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ProviderBackend.java
+++ b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ProviderBackend.java
@@ -22,7 +22,7 @@ import javax.annotation.concurrent.ThreadSafe;
 
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 
 import com.google.common.collect.ImmutableSet;
 

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ResourceAuthorizationProvider.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ResourceAuthorizationProvider.java b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ResourceAuthorizationProvider.java
index 95b4b98..afead3f 100644
--- a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ResourceAuthorizationProvider.java
+++ b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/ResourceAuthorizationProvider.java
@@ -30,7 +30,7 @@ import org.apache.sentry.core.common.Action;
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
 import org.apache.sentry.core.common.Model;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.core.common.Subject;
 import org.apache.sentry.policy.common.PolicyEngine;
 import org.apache.sentry.policy.common.Privilege;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/SentryGroupNotFoundException.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/SentryGroupNotFoundException.java b/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/SentryGroupNotFoundException.java
deleted file mode 100644
index 2609bd3..0000000
--- a/sentry-provider/sentry-provider-common/src/main/java/org/apache/sentry/provider/common/SentryGroupNotFoundException.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * 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.
- */
-
-package org.apache.sentry.provider.common;
-
-public class SentryGroupNotFoundException extends RuntimeException {
-  private static final long serialVersionUID = -116202866086371881L;
-
-  /**
-   * Creates a new SentryGroupNotFoundException.
-   */
-  public SentryGroupNotFoundException() {
-    super();
-  }
-
-  /**
-   * Constructs a new SentryGroupNotFoundException.
-   *
-   * @param message
-   *        the reason for the exception
-   */
-  public SentryGroupNotFoundException(String message) {
-    super(message);
-  }
-
-  /**
-   * Constructs a new SentryGroupNotFoundException.
-   *
-   * @param cause
-   *        the underlying Throwable that caused this exception to be thrown.
-   */
-  public SentryGroupNotFoundException(Throwable cause) {
-    super(cause);
-  }
-
-  /**
-   * Constructs a new SentryGroupNotFoundException.
-   *
-   * @param message
-   *        the reason for the exception
-   * @param cause
-   *        the underlying Throwable that caused this exception to be thrown.
-   */
-  public SentryGroupNotFoundException(String message, Throwable cause) {
-    super(message, cause);
-  }
-}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-common/src/test/java/org/apache/sentry/provider/common/TestGetGroupMapping.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-common/src/test/java/org/apache/sentry/provider/common/TestGetGroupMapping.java b/sentry-provider/sentry-provider-common/src/test/java/org/apache/sentry/provider/common/TestGetGroupMapping.java
index 2b402a0..ccc505f 100644
--- a/sentry-provider/sentry-provider-common/src/test/java/org/apache/sentry/provider/common/TestGetGroupMapping.java
+++ b/sentry-provider/sentry-provider-common/src/test/java/org/apache/sentry/provider/common/TestGetGroupMapping.java
@@ -22,7 +22,7 @@ import java.util.Set;
 
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.policy.common.PolicyEngine;
 import org.apache.sentry.policy.common.PrivilegeFactory;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryAccessDeniedException.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryAccessDeniedException.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryAccessDeniedException.java
deleted file mode 100644
index 824ab2f..0000000
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryAccessDeniedException.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * 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.
- */
-package org.apache.sentry.provider.db;
-
-import org.apache.sentry.SentryUserException;
-
-public class SentryAccessDeniedException extends SentryUserException {
-  private static final long serialVersionUID = 2962080655835L;
-  public SentryAccessDeniedException(String msg) {
-    super(msg);
-  }
-  public SentryAccessDeniedException(String msg, String reason) {
-    super(msg, reason);
-  }
-}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryAlreadyExistsException.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryAlreadyExistsException.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryAlreadyExistsException.java
deleted file mode 100644
index e9df988..0000000
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryAlreadyExistsException.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * 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.
- */
-package org.apache.sentry.provider.db;
-
-import org.apache.sentry.SentryUserException;
-
-public class SentryAlreadyExistsException extends SentryUserException {
-  private static final long serialVersionUID = 1298632655835L;
-  public SentryAlreadyExistsException(String msg) {
-    super(msg);
-  }
-  public SentryAlreadyExistsException(String msg, String reason) {
-    super(msg, reason);
-  }
-}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryGrantDeniedException.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryGrantDeniedException.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryGrantDeniedException.java
deleted file mode 100644
index a470b99..0000000
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryGrantDeniedException.java
+++ /dev/null
@@ -1,25 +0,0 @@
-/**
- * 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.
- */
-package org.apache.sentry.provider.db;
-
-public class SentryGrantDeniedException extends SentryAccessDeniedException {
-  private static final long serialVersionUID = 1962330785835L;
-  public SentryGrantDeniedException(String msg) {
-    super(msg);
-  }
-}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryInvalidInputException.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryInvalidInputException.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryInvalidInputException.java
deleted file mode 100644
index 32d0b5e..0000000
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryInvalidInputException.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * 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.
- */
-package org.apache.sentry.provider.db;
-
-import org.apache.sentry.SentryUserException;
-
-public class SentryInvalidInputException extends SentryUserException {
-  private static final long serialVersionUID = 2962080655835L;
-  public SentryInvalidInputException(String msg) {
-    super(msg);
-  }
-  public SentryInvalidInputException(String msg, String reason) {
-    super(msg, reason);
-  }
-}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryNoSuchObjectException.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryNoSuchObjectException.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryNoSuchObjectException.java
deleted file mode 100644
index 3b507cb..0000000
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryNoSuchObjectException.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * 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.
- */
-package org.apache.sentry.provider.db;
-
-import org.apache.sentry.SentryUserException;
-
-public class SentryNoSuchObjectException extends SentryUserException {
-  private static final long serialVersionUID = 2962080655835L;
-  public SentryNoSuchObjectException(String msg) {
-    super(msg);
-  }
-  public SentryNoSuchObjectException(String msg, String reason) {
-    super(msg, reason);
-  }
-}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryPolicyStorePlugin.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryPolicyStorePlugin.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryPolicyStorePlugin.java
index fe1ea1f..2ff715f 100644
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryPolicyStorePlugin.java
+++ b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryPolicyStorePlugin.java
@@ -19,7 +19,7 @@
 package org.apache.sentry.provider.db;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.provider.db.service.persistent.SentryStore;
 import org.apache.sentry.provider.db.service.thrift.TAlterSentryRoleAddGroupsRequest;
 import org.apache.sentry.provider.db.service.thrift.TAlterSentryRoleDeleteGroupsRequest;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryThriftAPIMismatchException.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryThriftAPIMismatchException.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryThriftAPIMismatchException.java
deleted file mode 100644
index 1046160..0000000
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SentryThriftAPIMismatchException.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * 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.
- */
-package org.apache.sentry.provider.db;
-
-import org.apache.sentry.SentryUserException;
-
-public class SentryThriftAPIMismatchException extends SentryUserException {
-  private static final long serialVersionUID = 7535410604425511738L;
-  public SentryThriftAPIMismatchException(String msg) {
-    super(msg);
-  }
-  public SentryThriftAPIMismatchException(String msg, String reason) {
-    super(msg, reason);
-  }
-}

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SimpleDBProviderBackend.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SimpleDBProviderBackend.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SimpleDBProviderBackend.java
index 2f5aa9d..75d2993 100644
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SimpleDBProviderBackend.java
+++ b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/SimpleDBProviderBackend.java
@@ -21,7 +21,7 @@ import java.util.Set;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.provider.common.ProviderBackend;
 import org.apache.sentry.provider.common.ProviderBackendContext;
 import org.apache.sentry.provider.db.service.thrift.SentryPolicyServiceClient;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/SentryGenericProviderBackend.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/SentryGenericProviderBackend.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/SentryGenericProviderBackend.java
index 39878e9..1d1da5e 100644
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/SentryGenericProviderBackend.java
+++ b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/SentryGenericProviderBackend.java
@@ -24,10 +24,10 @@ import java.util.Set;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.core.common.ActiveRoleSet;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.core.common.SentryConfigurationException;
+import org.apache.sentry.core.common.exception.SentryConfigurationException;
 import org.apache.sentry.provider.common.CacheProvider;
 import org.apache.sentry.provider.common.ProviderBackend;
 import org.apache.sentry.provider.common.ProviderBackendContext;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/DelegateSentryStore.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/DelegateSentryStore.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/DelegateSentryStore.java
index e1737c2..e960dcd 100644
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/DelegateSentryStore.java
+++ b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/DelegateSentryStore.java
@@ -28,19 +28,19 @@ import javax.jdo.PersistenceManager;
 import javax.jdo.Query;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.provider.db.SentryAccessDeniedException;
-import org.apache.sentry.provider.db.SentryAlreadyExistsException;
-import org.apache.sentry.provider.db.SentryGrantDeniedException;
-import org.apache.sentry.provider.db.SentryInvalidInputException;
-import org.apache.sentry.provider.db.SentryNoSuchObjectException;
+import org.apache.sentry.core.common.exception.SentryAccessDeniedException;
+import org.apache.sentry.core.common.exception.SentryAlreadyExistsException;
+import org.apache.sentry.core.common.exception.SentryGrantDeniedException;
+import org.apache.sentry.core.common.exception.SentryInvalidInputException;
+import org.apache.sentry.core.common.exception.SentryNoSuchObjectException;
+import org.apache.sentry.core.common.exception.SentrySiteConfigurationException;
 import org.apache.sentry.provider.db.service.model.MSentryGMPrivilege;
 import org.apache.sentry.provider.db.service.model.MSentryGroup;
 import org.apache.sentry.provider.db.service.model.MSentryRole;
 import org.apache.sentry.provider.db.service.persistent.CommitContext;
 import org.apache.sentry.provider.db.service.persistent.SentryStore;
-import org.apache.sentry.provider.db.service.thrift.SentryConfigurationException;
 import org.apache.sentry.provider.db.service.thrift.SentryPolicyStoreProcessor;
 import org.apache.sentry.provider.db.service.thrift.TSentryGroup;
 import org.apache.sentry.provider.db.service.thrift.TSentryRole;
@@ -67,7 +67,7 @@ public class DelegateSentryStore implements SentryStoreLayer {
   private PrivilegeOperatePersistence privilegeOperator;
 
   public DelegateSentryStore(Configuration conf) throws SentryNoSuchObjectException,
-      SentryAccessDeniedException, SentryConfigurationException, IOException {
+      SentryAccessDeniedException, SentrySiteConfigurationException, IOException {
     this.privilegeOperator = new PrivilegeOperatePersistence(conf);
     // The generic model doesn't turn on the thread that cleans hive privileges
     conf.set(ServerConfig.SENTRY_STORE_ORPHANED_PRIVILEGE_REMOVAL,"false");

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/PrivilegeOperatePersistence.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/PrivilegeOperatePersistence.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/PrivilegeOperatePersistence.java
index c76f22e..fa9dadf 100644
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/PrivilegeOperatePersistence.java
+++ b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/PrivilegeOperatePersistence.java
@@ -28,7 +28,7 @@ import javax.jdo.PersistenceManager;
 import javax.jdo.Query;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.core.common.Action;
 import org.apache.sentry.core.common.Authorizable;
 import org.apache.sentry.core.common.BitFieldAction;

http://git-wip-us.apache.org/repos/asf/sentry/blob/f6f730c3/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/SentryStoreLayer.java
----------------------------------------------------------------------
diff --git a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/SentryStoreLayer.java b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/SentryStoreLayer.java
index 49a78ef..c003965 100644
--- a/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/SentryStoreLayer.java
+++ b/sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/generic/service/persistent/SentryStoreLayer.java
@@ -20,10 +20,10 @@ package org.apache.sentry.provider.db.generic.service.persistent;
 import java.util.List;
 import java.util.Set;
 
-import org.apache.sentry.SentryUserException;
+import org.apache.sentry.core.common.exception.SentryUserException;
 import org.apache.sentry.core.common.Authorizable;
-import org.apache.sentry.provider.db.SentryAlreadyExistsException;
-import org.apache.sentry.provider.db.SentryNoSuchObjectException;
+import org.apache.sentry.core.common.exception.SentryAlreadyExistsException;
+import org.apache.sentry.core.common.exception.SentryNoSuchObjectException;
 import org.apache.sentry.provider.db.service.model.MSentryGMPrivilege;
 import org.apache.sentry.provider.db.service.persistent.CommitContext;
 


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