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https://issues.apache.org/jira/browse/MAPREDUCE-2952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13113991#comment-13113991
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Vinod Kumar Vavilapalli commented on MAPREDUCE-2952:
----------------------------------------------------
Reviewing the patch again as it differs from the previous one by bits of new
code.
Love the error message on the client when AM crashes! This should definitely
mitigate the pain of debugging in the presence of failures.
> Application failure diagnostics are not consumed in a couple of cases
> ---------------------------------------------------------------------
>
> Key: MAPREDUCE-2952
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2952
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, resourcemanager
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Arun C Murthy
> Priority: Blocker
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2952.patch, MAPREDUCE-2952.patch,
> MAPREDUCE-2952.patch, MAPREDUCE-2952.patch, MAPREDUCE-2952.patch
>
>
> When Container crashes, the reason for failures isn't propagated because of a
> bug in _RMAppAttemptImpl.AMContainerCrashedTransition_ which simply discards
> the diagnostics of the container. Also RMAppAttemptImpl.diagnostics is never
> consumed.
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