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From "Bikas Saha (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3985) handleTaskAttemptCompletion() called twice for same task attempt from KillWaitAttemptKilledTransition & AttemptKilledTransition
Date Wed, 07 Mar 2012 23:04:57 GMT
handleTaskAttemptCompletion() called twice for same task attempt from KillWaitAttemptKilledTransition
& AttemptKilledTransition
-------------------------------------------------------------------------------------------------------------------------------

                 Key: MAPREDUCE-3985
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3985
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mr-am
    Affects Versions: 0.23.0
            Reporter: Bikas Saha
            Assignee: Bikas Saha
             Fix For: 0.23.2


TaskImpl state changes to KILL_WAIT after an AttemptKilledTransition. When the attempt reports
that it has actually been killed then KILL_WAIT transitions out via the KillWaitAttemptKilledTransition.
Both these transitions send task completion events to Job with the same Killed state.

The handler simply puts them in a list and so nothing bad has happened till now.

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