Repository: spark
Updated Branches:
  refs/heads/branch-2.0 07a02e8bb -> 38f6e66af


[SPARK-15053][BUILD] Fix Java Lint errors on Hive-Thriftserver module

## What changes were proposed in this pull request?

This issue fixes or hides 181 Java linter errors introduced by SPARK-14987 
which copied hive service code from Hive. We had better clean up these errors 
before releasing Spark 2.0.

- Fix UnusedImports (15 lines), RedundantModifier (14 lines), SeparatorWrap (9 
lines), MethodParamPad (6 lines), FileTabCharacter (5 lines), ArrayTypeStyle (3 
lines), ModifierOrder (3 lines), RedundantImport (1 line), CommentsIndentation 
(1 line), UpperEll (1 line), FallThrough (1 line), OneStatementPerLine (1 
line), NewlineAtEndOfFile (1 line) errors.
- Ignore `LineLength` errors under `hive/service/*` (118 lines).
- Ignore `MethodName` error in `PasswdAuthenticationProvider.java` (1 line).
- Ignore `NoFinalizer` error in `ThreadWithGarbageCleanup.java` (1 line).

## How was this patch tested?

After passing Jenkins building, run `dev/lint-java` manually.
```bash
$ dev/lint-java
Checkstyle checks passed.
```

Author: Dongjoon Hyun <dongj...@apache.org>

Closes #12831 from dongjoon-hyun/SPARK-15053.

(cherry picked from commit a7444570764b0a08b7e908dc7931744f9dbdf3c6)
Signed-off-by: Sean Owen <so...@cloudera.com>


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/38f6e66a
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/38f6e66a
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/38f6e66a

Branch: refs/heads/branch-2.0
Commit: 38f6e66afdc92865628238e53ccc156fef976770
Parents: 07a02e8
Author: Dongjoon Hyun <dongj...@apache.org>
Authored: Tue May 3 12:39:37 2016 +0100
Committer: Sean Owen <so...@cloudera.com>
Committed: Tue May 3 12:39:45 2016 +0100

----------------------------------------------------------------------
 dev/checkstyle-suppressions.xml                         |  6 ++++++
 .../src/main/java/org/apache/hive/service/Service.java  |  2 +-
 .../main/java/org/apache/hive/service/ServiceUtils.java |  2 +-
 .../org/apache/hive/service/auth/HttpAuthUtils.java     | 10 +++++-----
 .../apache/hive/service/auth/KerberosSaslHelper.java    |  2 +-
 .../main/java/org/apache/hive/service/auth/SaslQOP.java | 10 ++++++----
 .../java/org/apache/hive/service/cli/CLIService.java    |  7 +++----
 .../org/apache/hive/service/cli/HiveSQLException.java   |  9 +++++----
 .../org/apache/hive/service/cli/OperationState.java     |  1 +
 .../java/org/apache/hive/service/cli/RowBasedSet.java   |  4 ++--
 .../service/cli/operation/ClassicTableTypeMapping.java  |  2 +-
 .../hive/service/cli/operation/GetColumnsOperation.java |  2 --
 .../service/cli/operation/GetFunctionsOperation.java    |  3 +--
 .../hive/service/cli/operation/GetSchemasOperation.java |  8 --------
 .../service/cli/operation/GetTableTypesOperation.java   |  4 ++--
 .../hive/service/cli/operation/GetTablesOperation.java  |  4 ++--
 .../service/cli/operation/GetTypeInfoOperation.java     |  2 +-
 .../hive/service/cli/operation/LogDivertAppender.java   | 12 ++++++------
 .../hive/service/cli/operation/MetadataOperation.java   |  1 -
 .../apache/hive/service/cli/operation/SQLOperation.java |  2 +-
 .../hive/service/cli/operation/TableTypeMapping.java    |  6 +++---
 .../hive/service/cli/session/HiveSessionBase.java       |  3 ---
 .../hive/service/cli/session/HiveSessionHook.java       |  2 +-
 .../service/cli/session/HiveSessionHookContext.java     |  6 +++---
 .../service/cli/session/HiveSessionImplwithUGI.java     |  3 +--
 .../hive/service/cli/session/HiveSessionProxy.java      |  2 +-
 .../apache/hive/service/cli/session/SessionManager.java |  2 +-
 .../hive/service/cli/thrift/ThriftCLIService.java       |  4 ++--
 .../hive/service/cli/thrift/ThriftHttpServlet.java      |  9 ++++-----
 .../org/apache/hive/service/server/HiveServer2.java     |  4 ++--
 30 files changed, 63 insertions(+), 71 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/dev/checkstyle-suppressions.xml
----------------------------------------------------------------------
diff --git a/dev/checkstyle-suppressions.xml b/dev/checkstyle-suppressions.xml
index a1a88ac..bfc2e73 100644
--- a/dev/checkstyle-suppressions.xml
+++ b/dev/checkstyle-suppressions.xml
@@ -36,4 +36,10 @@
               
files="src/test/java/org/apache/spark/sql/hive/test/Complex.java"/>
     <suppress checks="LineLength"
               
files="src/main/java/org/apache/spark/examples/JavaLogQuery.java"/>
+    <suppress checks="LineLength"
+              files="src/main/java/org/apache/hive/service/*"/>
+    <suppress checks="MethodName"
+              
files="src/main/java/org/apache/hive/service/auth/PasswdAuthenticationProvider.java"/>
+    <suppress checks="NoFinalizer"
+              
files="src/main/java/org/apache/hive/service/server/ThreadWithGarbageCleanup.java"/>
 </suppressions>

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/Service.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/Service.java 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/Service.java
index 2111837..b95077c 100644
--- a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/Service.java
+++ b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/Service.java
@@ -29,7 +29,7 @@ public interface Service {
   /**
    * Service states
    */
-  public enum STATE {
+  enum STATE {
     /** Constructed but not initialized */
     NOTINITED,
 

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/ServiceUtils.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/ServiceUtils.java 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/ServiceUtils.java
index e712aaf..edb5eff 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/ServiceUtils.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/ServiceUtils.java
@@ -41,4 +41,4 @@ public class ServiceUtils {
     }
     return endIdx;
   }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/HttpAuthUtils.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/HttpAuthUtils.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/HttpAuthUtils.java
index 3ef5577..5021528 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/HttpAuthUtils.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/HttpAuthUtils.java
@@ -56,7 +56,7 @@ public final class HttpAuthUtils {
   private static final String COOKIE_CLIENT_USER_NAME = "cu";
   private static final String COOKIE_CLIENT_RAND_NUMBER = "rn";
   private static final String COOKIE_KEY_VALUE_SEPARATOR = "=";
-  private final static Set<String> COOKIE_ATTRIBUTES =
+  private static final Set<String> COOKIE_ATTRIBUTES =
     new HashSet<String>(Arrays.asList(COOKIE_CLIENT_USER_NAME, 
COOKIE_CLIENT_RAND_NUMBER));
 
   /**
@@ -93,10 +93,10 @@ public final class HttpAuthUtils {
    */
   public static String createCookieToken(String clientUserName) {
     StringBuffer sb = new StringBuffer();
-    
sb.append(COOKIE_CLIENT_USER_NAME).append(COOKIE_KEY_VALUE_SEPARATOR).append(clientUserName).
-    append(COOKIE_ATTR_SEPARATOR);
-    sb.append(COOKIE_CLIENT_RAND_NUMBER).append(COOKIE_KEY_VALUE_SEPARATOR).
-    append((new Random(System.currentTimeMillis())).nextLong());
+    
sb.append(COOKIE_CLIENT_USER_NAME).append(COOKIE_KEY_VALUE_SEPARATOR).append(clientUserName)
+      .append(COOKIE_ATTR_SEPARATOR);
+    sb.append(COOKIE_CLIENT_RAND_NUMBER).append(COOKIE_KEY_VALUE_SEPARATOR)
+      .append((new Random(System.currentTimeMillis())).nextLong());
     return sb.toString();
   }
 

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/KerberosSaslHelper.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/KerberosSaslHelper.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/KerberosSaslHelper.java
index 11d2669..52eb752 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/KerberosSaslHelper.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/KerberosSaslHelper.java
@@ -96,7 +96,7 @@ public final class KerberosSaslHelper {
     private final ThriftCLIService service;
     private final Server saslServer;
 
-    public CLIServiceProcessorFactory(Server saslServer, ThriftCLIService 
service) {
+    CLIServiceProcessorFactory(Server saslServer, ThriftCLIService service) {
       super(null);
       this.service = service;
       this.saslServer = saslServer;

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/SaslQOP.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/SaslQOP.java 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/SaslQOP.java
index 479ebf3..ab3ac62 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/SaslQOP.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/SaslQOP.java
@@ -25,10 +25,12 @@ import java.util.Map;
  * Possible values of SASL quality-of-protection value.
  */
 public enum SaslQOP {
-  AUTH("auth"), // Authentication only.
-  AUTH_INT("auth-int"), // Authentication and integrity checking by using 
signatures.
-  AUTH_CONF("auth-conf"); // Authentication, integrity and confidentiality 
checking
-                          // by using signatures and encryption.
+  // Authentication only.
+  AUTH("auth"),
+  // Authentication and integrity checking by using signatures.
+  AUTH_INT("auth-int"),
+  // Authentication, integrity and confidentiality checking by using 
signatures and encryption.
+  AUTH_CONF("auth-conf");
 
   public final String saslQop;
 

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/CLIService.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/CLIService.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/CLIService.java
index a3af7b2..791ddcb 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/CLIService.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/CLIService.java
@@ -481,8 +481,8 @@ public class CLIService extends CompositeService implements 
ICLIService {
   @Override
   public String getDelegationToken(SessionHandle sessionHandle, 
HiveAuthFactory authFactory,
       String owner, String renewer) throws HiveSQLException {
-    String delegationToken = sessionManager.getSession(sessionHandle).
-        getDelegationToken(authFactory, owner, renewer);
+    String delegationToken = sessionManager.getSession(sessionHandle)
+        .getDelegationToken(authFactory, owner, renewer);
     LOG.info(sessionHandle  + ": getDelegationToken()");
     return delegationToken;
   }
@@ -490,8 +490,7 @@ public class CLIService extends CompositeService implements 
ICLIService {
   @Override
   public void cancelDelegationToken(SessionHandle sessionHandle, 
HiveAuthFactory authFactory,
       String tokenStr) throws HiveSQLException {
-    sessionManager.getSession(sessionHandle).
-    cancelDelegationToken(authFactory, tokenStr);
+    
sessionManager.getSession(sessionHandle).cancelDelegationToken(authFactory, 
tokenStr);
     LOG.info(sessionHandle  + ": cancelDelegationToken()");
   }
 

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java
index 1334dde..86e57fb 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java
@@ -111,7 +111,7 @@ public class HiveSQLException extends SQLException {
 
   /**
    * Converts current object to a {@link TStatus} object
-   * @return   a {@link TStatus} object
+   * @return a {@link TStatus} object
    */
   public TStatus toTStatus() {
     // TODO: convert sqlState, etc.
@@ -125,8 +125,8 @@ public class HiveSQLException extends SQLException {
 
   /**
    * Converts the specified {@link Exception} object into a {@link TStatus} 
object
-   * @param e  a {@link Exception} object
-   * @return   a {@link TStatus} object
+   * @param e a {@link Exception} object
+   * @return a {@link TStatus} object
    */
   public static TStatus toTStatus(Exception e) {
     if (e instanceof HiveSQLException) {
@@ -155,7 +155,8 @@ public class HiveSQLException extends SQLException {
     if (parent != null) {
       int n = parent.length - 1;
       while (m >= 0 && n >= 0 && trace[m].equals(parent[n])) {
-        m--; n--;
+        m--;
+        n--;
       }
     }
     List<String> detail = enroll(cause, trace, m);

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/OperationState.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/OperationState.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/OperationState.java
index 51ffb40..1165180 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/OperationState.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/OperationState.java
@@ -85,6 +85,7 @@ public enum OperationState {
       if (OperationState.CLOSED.equals(newState)) {
         return;
       }
+      break;
     default:
       // fall-through
     }

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/RowBasedSet.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/RowBasedSet.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/RowBasedSet.java
index a0ee210..7452137 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/RowBasedSet.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/RowBasedSet.java
@@ -130,8 +130,8 @@ public class RowBasedSet implements RowSet {
   }
 
   private static class RemovableList<E> extends ArrayList<E> {
-    public RemovableList() { super(); }
-    public RemovableList(List<E> rows) { super(rows); }
+    RemovableList() { super(); }
+    RemovableList(List<E> rows) { super(rows); }
     @Override
     public void removeRange(int fromIndex, int toIndex) {
       super.removeRange(fromIndex, toIndex);

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/ClassicTableTypeMapping.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/ClassicTableTypeMapping.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/ClassicTableTypeMapping.java
index 87ac39b..05a6bf9 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/ClassicTableTypeMapping.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/ClassicTableTypeMapping.java
@@ -42,7 +42,7 @@ public class ClassicTableTypeMapping implements 
TableTypeMapping {
   private final Map<String, String> hiveToClientMap = new HashMap<String, 
String>();
   private final Map<String, String> clientToHiveMap = new HashMap<String, 
String>();
 
-  public ClassicTableTypeMapping () {
+  public ClassicTableTypeMapping() {
     hiveToClientMap.put(TableType.MANAGED_TABLE.toString(),
         ClassicTableTypes.TABLE.toString());
     hiveToClientMap.put(TableType.EXTERNAL_TABLE.toString(),

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetColumnsOperation.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetColumnsOperation.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetColumnsOperation.java
index 309f10f..5efb075 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetColumnsOperation.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetColumnsOperation.java
@@ -27,10 +27,8 @@ import java.util.Map;
 import java.util.Map.Entry;
 import java.util.regex.Pattern;
 
-import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
 import org.apache.hadoop.hive.metastore.IMetaStoreClient;
 import org.apache.hadoop.hive.metastore.api.Table;
-import org.apache.hadoop.hive.ql.plan.HiveOperation;
 import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HiveOperationType;
 import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrivilegeObject;
 import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrivilegeObject.HivePrivilegeObjectType;

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetFunctionsOperation.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetFunctionsOperation.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetFunctionsOperation.java
index 6df1e8a..5273c38 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetFunctionsOperation.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetFunctionsOperation.java
@@ -23,7 +23,6 @@ import java.util.List;
 import java.util.Set;
 
 import org.apache.hadoop.hive.metastore.IMetaStoreClient;
-import org.apache.hadoop.hive.metastore.api.MetaException;
 import org.apache.hadoop.hive.ql.exec.FunctionInfo;
 import org.apache.hadoop.hive.ql.exec.FunctionRegistry;
 import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HiveOperationType;
@@ -103,7 +102,7 @@ public class GetFunctionsOperation extends 
MetadataOperation {
             .getFunctionNames(CLIServiceUtils.patternToRegex(functionName));
         for (String functionName : functionNames) {
           FunctionInfo functionInfo = 
FunctionRegistry.getFunctionInfo(functionName);
-          Object rowData[] = new Object[] {
+          Object[] rowData = new Object[] {
               null, // FUNCTION_CAT
               null, // FUNCTION_SCHEM
               functionInfo.getDisplayName(), // FUNCTION_NAME

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetSchemasOperation.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetSchemasOperation.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetSchemasOperation.java
index e56686a..d6f6280 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetSchemasOperation.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetSchemasOperation.java
@@ -18,16 +18,8 @@
 
 package org.apache.hive.service.cli.operation;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import org.apache.hadoop.hive.metastore.IMetaStoreClient;
-import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAccessControlException;
-import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthzContext;
-import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthzPluginException;
 import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HiveOperationType;
-import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrivilegeObject;
-import org.apache.hadoop.hive.ql.session.SessionState;
 import org.apache.hive.service.cli.FetchOrientation;
 import org.apache.hive.service.cli.HiveSQLException;
 import org.apache.hive.service.cli.OperationState;

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTableTypesOperation.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTableTypesOperation.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTableTypesOperation.java
index a09b39a..3ae012a 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTableTypesOperation.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTableTypesOperation.java
@@ -44,8 +44,8 @@ public class GetTableTypesOperation extends MetadataOperation 
{
 
   protected GetTableTypesOperation(HiveSession parentSession) {
     super(parentSession, OperationType.GET_TABLE_TYPES);
-    String tableMappingStr = getParentSession().getHiveConf().
-        getVar(HiveConf.ConfVars.HIVE_SERVER2_TABLE_TYPE_MAPPING);
+    String tableMappingStr = getParentSession().getHiveConf()
+      .getVar(HiveConf.ConfVars.HIVE_SERVER2_TABLE_TYPE_MAPPING);
     tableTypeMapping =
       TableTypeMappingFactory.getTableTypeMapping(tableMappingStr);
     rowSet = RowSetFactory.create(RESULT_SET_SCHEMA, getProtocolVersion());

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTablesOperation.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTablesOperation.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTablesOperation.java
index 0e2fdc6..1a7ca79 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTablesOperation.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTablesOperation.java
@@ -64,8 +64,8 @@ public class GetTablesOperation extends MetadataOperation {
     this.catalogName = catalogName;
     this.schemaName = schemaName;
     this.tableName = tableName;
-    String tableMappingStr = getParentSession().getHiveConf().
-        getVar(HiveConf.ConfVars.HIVE_SERVER2_TABLE_TYPE_MAPPING);
+    String tableMappingStr = getParentSession().getHiveConf()
+        .getVar(HiveConf.ConfVars.HIVE_SERVER2_TABLE_TYPE_MAPPING);
     tableTypeMapping =
         TableTypeMappingFactory.getTableTypeMapping(tableMappingStr);
     if (tableTypes != null) {

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTypeInfoOperation.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTypeInfoOperation.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTypeInfoOperation.java
index 2a0fec2..0f72071 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTypeInfoOperation.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/GetTypeInfoOperation.java
@@ -35,7 +35,7 @@ import org.apache.hive.service.cli.session.HiveSession;
  */
 public class GetTypeInfoOperation extends MetadataOperation {
 
-  private final static TableSchema RESULT_SET_SCHEMA = new TableSchema()
+  private static final TableSchema RESULT_SET_SCHEMA = new TableSchema()
   .addPrimitiveColumn("TYPE_NAME", Type.STRING_TYPE,
       "Type name")
   .addPrimitiveColumn("DATA_TYPE", Type.INT_TYPE,

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/LogDivertAppender.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/LogDivertAppender.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/LogDivertAppender.java
index 70340bd..cb80431 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/LogDivertAppender.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/LogDivertAppender.java
@@ -60,15 +60,15 @@ public class LogDivertAppender extends WriterAppender {
     /* Patterns that are excluded in verbose logging level.
      * Filter out messages coming from log processing classes, or we'll run an 
infinite loop.
      */
-    private static final Pattern verboseExcludeNamePattern = 
Pattern.compile(Joiner.on("|").
-      join(new String[] {LOG.getName(), OperationLog.class.getName(),
+    private static final Pattern verboseExcludeNamePattern = 
Pattern.compile(Joiner.on("|")
+      .join(new String[] {LOG.getName(), OperationLog.class.getName(),
       OperationManager.class.getName()}));
 
     /* Patterns that are included in execution logging level.
      * In execution mode, show only select logger messages.
      */
-    private static final Pattern executionIncludeNamePattern = 
Pattern.compile(Joiner.on("|").
-      join(new String[] {"org.apache.hadoop.mapreduce.JobSubmitter",
+    private static final Pattern executionIncludeNamePattern = 
Pattern.compile(Joiner.on("|")
+      .join(new String[] {"org.apache.hadoop.mapreduce.JobSubmitter",
       "org.apache.hadoop.mapreduce.Job", "SessionState", Task.class.getName(),
       "org.apache.hadoop.hive.ql.exec.spark.status.SparkJobMonitor"}));
 
@@ -88,7 +88,7 @@ public class LogDivertAppender extends WriterAppender {
       }
     }
 
-    public NameFilter(
+    NameFilter(
       OperationLog.LoggingLevel loggingMode, OperationManager op) {
       this.operationManager = op;
       this.loggingMode = loggingMode;
@@ -131,7 +131,7 @@ public class LogDivertAppender extends WriterAppender {
   /** This is where the log message will go to */
   private final CharArrayWriter writer = new CharArrayWriter();
 
-  private void setLayout (boolean isVerbose, Layout lo) {
+  private void setLayout(boolean isVerbose, Layout lo) {
     if (isVerbose) {
       if (lo == null) {
         lo = CLIServiceUtils.verboseLayout;

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/MetadataOperation.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/MetadataOperation.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/MetadataOperation.java
index 4595ef5..6c81987 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/MetadataOperation.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/MetadataOperation.java
@@ -18,7 +18,6 @@
 
 package org.apache.hive.service.cli.operation;
 
-import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.hadoop.hive.conf.HiveConf;

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/SQLOperation.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/SQLOperation.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/SQLOperation.java
index 33ee16b..a354054 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/SQLOperation.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/SQLOperation.java
@@ -326,7 +326,7 @@ public class SQLOperation extends ExecuteStatementOperation 
{
     return resultSchema;
   }
 
-  private transient final List<Object> convey = new ArrayList<Object>();
+  private final transient List<Object> convey = new ArrayList<Object>();
 
   @Override
   public RowSet getNextRowSet(FetchOrientation orientation, long maxRows) 
throws HiveSQLException {

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/TableTypeMapping.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/TableTypeMapping.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/TableTypeMapping.java
index 3a8a07f..e392c45 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/TableTypeMapping.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/operation/TableTypeMapping.java
@@ -27,18 +27,18 @@ public interface TableTypeMapping {
    * @param clientTypeName
    * @return
    */
-  public String mapToHiveType (String clientTypeName);
+  String mapToHiveType(String clientTypeName);
 
   /**
    * Map hive's table type name to client's table type
    * @param clientTypeName
    * @return
    */
-  public String mapToClientType (String hiveTypeName);
+  String mapToClientType(String hiveTypeName);
 
   /**
    * Get all the table types of this mapping
    * @return
    */
-  public Set<String> getTableTypeNames();
+  Set<String> getTableTypeNames();
 }

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionBase.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionBase.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionBase.java
index 9b04d67..b72c18b 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionBase.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionBase.java
@@ -18,8 +18,6 @@
 
 package org.apache.hive.service.cli.session;
 
-import java.util.Map;
-
 import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.ql.session.SessionState;
 import org.apache.hive.service.cli.SessionHandle;
@@ -27,7 +25,6 @@ import org.apache.hive.service.cli.operation.OperationManager;
 import org.apache.hive.service.cli.thrift.TProtocolVersion;
 
 import java.io.File;
-import java.util.Map;
 
 /**
  * Methods that don't need to be executed under a doAs

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHook.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHook.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHook.java
index 06388cc..7e4f2b0 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHook.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHook.java
@@ -33,5 +33,5 @@ public interface HiveSessionHook extends Hook {
    * @param sessionHookContext context
    * @throws HiveSQLException
    */
-  public void run(HiveSessionHookContext sessionHookContext) throws 
HiveSQLException;
+  void run(HiveSessionHookContext sessionHookContext) throws HiveSQLException;
 }

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHookContext.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHookContext.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHookContext.java
index 156c814..0a10dba 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHookContext.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionHookContext.java
@@ -30,17 +30,17 @@ public interface HiveSessionHookContext {
    * Retrieve session conf
    * @return
    */
-  public HiveConf getSessionConf();
+  HiveConf getSessionConf();
 
   /**
    * The get the username starting the session
    * @return
    */
-  public String getSessionUser();
+  String getSessionUser();
 
   /**
    * Retrieve handle for the session
    * @return
    */
-  public String getSessionHandle();
+  String getSessionHandle();
 }

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionImplwithUGI.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionImplwithUGI.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionImplwithUGI.java
index a29e5d1..762dbb2 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionImplwithUGI.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionImplwithUGI.java
@@ -26,7 +26,6 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.ql.metadata.Hive;
 import org.apache.hadoop.hive.ql.metadata.HiveException;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.hive.shims.Utils;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hive.service.auth.HiveAuthFactory;
@@ -83,7 +82,7 @@ public class HiveSessionImplwithUGI extends HiveSessionImpl {
     return this.sessionUgi;
   }
 
-  public String getDelegationToken () {
+  public String getDelegationToken() {
     return this.delegationTokenStr;
   }
 

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionProxy.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionProxy.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionProxy.java
index 5b10521..8e53951 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionProxy.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/HiveSessionProxy.java
@@ -57,7 +57,7 @@ public class HiveSessionProxy implements InvocationHandler {
         return invoke(method, args);
       }
       return ugi.doAs(
-        new PrivilegedExceptionAction<Object> () {
+        new PrivilegedExceptionAction<Object>() {
           @Override
           public Object run() throws HiveSQLException {
             return invoke(method, args);

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
index e31570b..c6d1777 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
@@ -151,7 +151,7 @@ public class SessionManager extends CompositeService {
   }
 
   private void startTimeoutChecker() {
-    final long interval = Math.max(checkInterval, 3000l);  // minimum 3 seconds
+    final long interval = Math.max(checkInterval, 3000L);  // minimum 3 seconds
     Runnable timeoutChecker = new Runnable() {
       @Override
       public void run() {

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftCLIService.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftCLIService.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftCLIService.java
index 5a0f1c8..866beb1 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftCLIService.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftCLIService.java
@@ -722,8 +722,8 @@ public abstract class ThriftCLIService extends 
AbstractService implements TCLISe
     }
 
     // If there's no authentication, then directly substitute the user
-    if (HiveAuthFactory.AuthTypes.NONE.toString().
-        
equalsIgnoreCase(hiveConf.getVar(ConfVars.HIVE_SERVER2_AUTHENTICATION))) {
+    if (HiveAuthFactory.AuthTypes.NONE.toString()
+        
.equalsIgnoreCase(hiveConf.getVar(ConfVars.HIVE_SERVER2_AUTHENTICATION))) {
       return proxyUser;
     }
 

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftHttpServlet.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftHttpServlet.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftHttpServlet.java
index 56c8cb6..e15d2d0 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftHttpServlet.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftHttpServlet.java
@@ -21,7 +21,6 @@ package org.apache.hive.service.cli.thrift;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.security.PrivilegedExceptionAction;
-import java.util.Arrays;
 import java.util.Map;
 import java.util.Random;
 import java.util.Set;
@@ -241,9 +240,9 @@ public class ThriftHttpServlet extends TServlet {
    * Each cookie is of the format [key]=[value]
    */
   private String toCookieStr(Cookie[] cookies) {
-       String cookieStr = "";
+    String cookieStr = "";
 
-       for (Cookie c : cookies) {
+    for (Cookie c : cookies) {
      cookieStr += c.getName() + "=" + c.getValue() + " ;\n";
     }
     return cookieStr;
@@ -458,7 +457,7 @@ public class ThriftHttpServlet extends TServlet {
 
   private String getUsername(HttpServletRequest request, String authType)
       throws HttpAuthenticationException {
-    String creds[] = getAuthHeaderTokens(request, authType);
+    String[] creds = getAuthHeaderTokens(request, authType);
     // Username must be present
     if (creds[0] == null || creds[0].isEmpty()) {
       throw new HttpAuthenticationException("Authorization header received " +
@@ -469,7 +468,7 @@ public class ThriftHttpServlet extends TServlet {
 
   private String getPassword(HttpServletRequest request, String authType)
       throws HttpAuthenticationException {
-    String creds[] = getAuthHeaderTokens(request, authType);
+    String[] creds = getAuthHeaderTokens(request, authType);
     // Password must be present
     if (creds[1] == null || creds[1].isEmpty()) {
       throw new HttpAuthenticationException("Authorization header received " +

http://git-wip-us.apache.org/repos/asf/spark/blob/38f6e66a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/server/HiveServer2.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/server/HiveServer2.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/server/HiveServer2.java
index 1500e53..9bf96cf 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/server/HiveServer2.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/server/HiveServer2.java
@@ -236,8 +236,8 @@ public class HiveServer2 extends CompositeService {
   /**
    * The executor interface for running the appropriate HiveServer2 command 
based on parsed options
    */
-  static interface ServerOptionsExecutor {
-    public void execute();
+  interface ServerOptionsExecutor {
+    void execute();
   }
 
   /**


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