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Posted to mapreduce-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2012/12/19 03:26:13 UTC

[jira] [Created] (MAPREDUCE-4889) AM should have a diagnostics message for invalid state transitions

Jason Lowe created MAPREDUCE-4889:
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             Summary: AM should have a diagnostics message for invalid state transitions
                 Key: MAPREDUCE-4889
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4889
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mr-am
    Affects Versions: 0.23.5, 2.0.2-alpha
            Reporter: Jason Lowe


When the ApplicationMaster encounters an invalid state transition in one of its many state machines (JobImpl, TaskImpl, TaskAttemptImpl, etc.) the job will fail with the ERROR state but the diagnostics string doesn't have any information about the failure.  The diagnostics string should contain a message indicating the job is failing because of an invalid state transition and, preferably, details on the nature of the internal error.

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