svn commit: r1301502 - in /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project: ./ hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/ hadoop-yarn/hadoop-yarn-s...

[st...@apache.org]

Author: stevel
Date: Fri Mar 16 13:37:26 2012
New Revision: 1301502

URL: http://svn.apache.org/viewvc?rev=1301502&view=rev
Log:
MAPREDUCE-3431

Added:
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestDelegationTokenRenewerLifecycle.java
Modified:
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt?rev=1301502&r1=1301501&r2=1301502&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt Fri Mar 16 13:37:26 2012
@@ -70,6 +70,8 @@ Release 0.23.3 - UNRELEASED
     MAPREDUCE-4007. JobClient getJob(JobID) should return NULL if the job 
     does not exist (for backwards compatibility) (tucu)
 
+    MAPREDUCE-3431 NPE in Resource Manager shutdown. (stevel)
+
 Release 0.23.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java?rev=1301502&r1=1301501&r2=1301502&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java (original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java Fri Mar 16 13:37:26 2012
@@ -112,7 +112,9 @@ public class DelegationTokenRenewer exte
 
   @Override
   public synchronized void stop() {
-    renewalTimer.cancel();
+    if (renewalTimer != null) {
+      renewalTimer.cancel();
+    }
     delegationTokens.clear();
 
     dtCancelThread.interrupt();

Added: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestDelegationTokenRenewerLifecycle.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestDelegationTokenRenewerLifecycle.java?rev=1301502&view=auto
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestDelegationTokenRenewerLifecycle.java (added)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestDelegationTokenRenewerLifecycle.java Fri Mar 16 13:37:26 2012
@@ -0,0 +1,40 @@
+/**
+ * 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.hadoop.yarn.server.resourcemanager.security;
+
+
+import org.apache.hadoop.conf.Configuration;
+import org.junit.Test;
+
+/**
+ * This test replicates the condition os MAPREDUCE-3431 -a failure
+ * during startup triggered an NPE during shutdown
+ *
+ */
+public class TestDelegationTokenRenewerLifecycle {
+
+  @Test
+  public void testStartupFailure() throws Exception {
+    Configuration conf = new Configuration();
+    DelegationTokenRenewer delegationTokenRenewer = new DelegationTokenRenewer();
+    delegationTokenRenewer.init(conf);
+    delegationTokenRenewer.stop();
+  }
+
+}