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Posted to mapreduce-dev@hadoop.apache.org by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org> on 2011/09/08 13:42:08 UTC

[jira] [Created] (MAPREDUCE-2952) JobClient doesn't show the reason why AM crashed

JobClient doesn't show the reason why AM crashed
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                 Key: MAPREDUCE-2952
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2952
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 0.23.0
            Reporter: Vinod Kumar Vavilapalli


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.

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