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https://issues.apache.org/jira/browse/HADOOP-5068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12664470#action_12664470
]
Sreekanth Ramakrishnan commented on HADOOP-5068:
------------------------------------------------
Stack trace of the failure is as follows:
{noformat}
java.lang.NullPointerException
at
org.apache.hadoop.mapred.JobInProgress.garbageCollect(JobInProgress.java:2361)
at
org.apache.hadoop.mapred.JobInProgress.terminateJob(JobInProgress.java:2067)
at
org.apache.hadoop.mapred.JobInProgress.terminate(JobInProgress.java:2082)
at org.apache.hadoop.mapred.JobInProgress.kill(JobInProgress.java:2133)
at
org.apache.hadoop.mapred.TestCapacityScheduler$FakeTaskTrackerManager.killJob(TestCapacityScheduler.java:359)
at
org.apache.hadoop.mapred.TestCapacityScheduler.testClusterBlockingForLackOfMemory(TestCapacityScheduler.java:2070)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at
org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
{noformat}
Looks like the kill() method in FakeJobInProgress is causing this issue.
> testClusterBlockingForLackOfMemory in TestCapacityScheduler fails randomly
> --------------------------------------------------------------------------
>
> Key: HADOOP-5068
> URL: https://issues.apache.org/jira/browse/HADOOP-5068
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/capacity-sched
> Reporter: Sreekanth Ramakrishnan
> Priority: Critical
>
> testClusterBlockingForLackOfMemory fails randomly when TestCapacityScheduler
> is run.
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