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MAPREDUCE-3431 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1301496 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Steve Loughran 2012-03-16 13:33:32 +00:00
parent 3f77993f9d
commit 8c7f5f2c7f
2 changed files with 43 additions and 1 deletions
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4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
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@ -112,7 +112,9 @@ public class DelegationTokenRenewer extends AbstractService {
@Override @Override
public synchronized void stop() { public synchronized void stop() {
renewalTimer.cancel(); if (renewalTimer != null) {
renewalTimer.cancel();
}
delegationTokens.clear(); delegationTokens.clear();
dtCancelThread.interrupt(); dtCancelThread.interrupt();

40
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestDelegationTokenRenewerLifecycle.java Normal file
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@ -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();
}
}