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https://issues.apache.org/jira/browse/MAPREDUCE-430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12733656#action_12733656
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Arun C Murthy commented on MAPREDUCE-430:
-----------------------------------------

bq. No. The task alive and stuck. I think pingThread was sending updates 
without any problem.

That worries me. Do we know why the jvm did not shutdown? Where did we catch 
and ignore the OOMError? Is the ping thread not a daemon-thread?

> Task stuck in cleanup with OutOfMemoryErrors
> --------------------------------------------
>
>                 Key: MAPREDUCE-430
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-430
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amar Kamat
>             Fix For: 0.20.1
>
>         Attachments: MAPREDUCE-430-v1.6-branch-0.20.patch, 
> MAPREDUCE-430-v1.6.patch
>
>
> Obesrved a task with OutOfMemory error, stuck in cleanup.

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