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https://issues.apache.org/jira/browse/MAPREDUCE-5260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Arun C Murthy resolved MAPREDUCE-5260.
--------------------------------------
Resolution: Fixed
Fix Version/s: (was: 1.1.3)
1.2.1
I just committed this. Thanks zhaoyunjiong!
> Job failed because of JvmManager running into inconsistent state
> ----------------------------------------------------------------
>
> Key: MAPREDUCE-5260
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5260
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 1.1.2
> Reporter: zhaoyunjiong
> Assignee: zhaoyunjiong
> Fix For: 1.2.1
>
> Attachments: MAPREDUCE-5260-branch-1.1.patch
>
>
> In our cluster, jobs failed due to randomly task initialization failed
> because of JvmManager running into inconsistent state and TaskTracker failed
> to exit:
> java.lang.Throwable: Child Error
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.mapred.JvmManager$JvmManagerForType.getDetails(JvmManager.java:402)
> at
> org.apache.hadoop.mapred.JvmManager$JvmManagerForType.reapJvm(JvmManager.java:387)
> at
> org.apache.hadoop.mapred.JvmManager$JvmManagerForType.access$000(JvmManager.java:192)
> at org.apache.hadoop.mapred.JvmManager.launchJvm(JvmManager.java:125)
> at
> org.apache.hadoop.mapred.TaskRunner.launchJvmAndWait(TaskRunner.java:292)
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:251)
> -------
> java.lang.Throwable: Child Error
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.mapred.JvmManager$JvmManagerForType.getDetails(JvmManager.java:402)
> at
> org.apache.hadoop.mapred.JvmManager$JvmManagerForType.reapJvm(JvmManager.java:387)
> at
> org.apache.hadoop.mapred.JvmManager$JvmManagerForType.access$000(JvmManager.java:192)
> at org.apache.hadoop.mapred.JvmManager.launchJvm(JvmManager.java:125)
> at
> org.apache.hadoop.mapred.TaskRunner.launchJvmAndWait(TaskRunner.java:292)
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:251)
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