[jira] [Updated] (MAPREDUCE-6885) JobHistory event handling does not complete if handling event throws exception on shutdown

["Jonathan Hung (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Hung updated MAPREDUCE-6885:
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    Summary: JobHistory event handling does not complete if handling event throws exception on shutdown  (was: JobHistory event handler thread should not die if exception thrown)

> JobHistory event handling does not complete if handling event throws exception on shutdown
> ------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6885
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6885
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Jonathan Hung
>
> If eventHandlingThread handles an event which causes it to throw an exception (e.g. if it is unable to flush an event to HDFS), the thread dies. This thread is responsible for moving job history files to mapreduce.jobhistory.done-dir, if an exception is thrown the files will not be moved here, which is bad.
> We should catch these exceptions so that the thread can still move these files when the job is complete.



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