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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-5260) Job failed because of JvmManager running into inconsistent state
Date Fri, 28 Jun 2013 20:57:21 GMT

     [ 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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