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https://issues.apache.org/jira/browse/MAPREDUCE-3634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated MAPREDUCE-3634:
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Attachment: MAPREDUCE-3634-20120118.1.txt
Attaching patch that makes sure that all the daemons event handler exit when
they run into exceptions. Also, as part of this, I made sure that for tests,
the behavior reverts back to throwing exceptions.
Along the way I found that without this patch, few tests are crashing without
reporting a junit failure due to sys-exit and so are hiding code bugs.
> All daemons should crash instead of hanging around when their EventHandlers
> get exceptions
> ------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3634
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3634
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.23.1
>
> Attachments: MAPREDUCE-3634-20120118.1.txt
>
>
> We should make sure that the daemons crash in case the dispatchers get
> exceptions and stop processing. That way we will be debugging RM/NM/AM
> crashes instead of hard-to-track hanging jobs.
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