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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2952) Application failure diagnostics are not consumed in a couple of cases
Date Thu, 08 Sep 2011 13:56:09 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated MAPREDUCE-2952:
-----------------------------------------------

    Component/s:     (was: client)
    Description: 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.  (was: When MR ApplicationMaster
crashes, say because of a localization error, NM promptly reports the exception trace to the
RM via diagnostics. Client eventually figures out that the application has failed, but it
never prints the reason.

The reason for failure is already propagated to the client in most cases via _ApplicationReport_
but it isn't printed/logged.)
        Summary: Application failure diagnostics are not consumed in a couple of cases  (was:
JobClient doesn't show the reason why AM crashed)

> 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
>             Fix For: 0.23.0
>
>
> 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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