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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/19 00:14:07 UTC

[jira] [Resolved] (MAPREDUCE-174) JobTracker.close() gets stuck occasionally

     [ https://issues.apache.org/jira/browse/MAPREDUCE-174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-174.
----------------------------------------

    Resolution: Incomplete

Closing as stale.

> JobTracker.close() gets stuck occasionally
> ------------------------------------------
>
>                 Key: MAPREDUCE-174
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-174
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Amar Kamat
>         Attachments: HADOOP-3976-v1.patch
>
>
> JobTracker.close() shuts down all the worker threads by interrupting them and then doing a join. This will work if the thread is in {{WAITING}} state. Most of the time the worker threads are in the {{RUNNING}} state and the JT waits forever on the join(). 



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