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Posted to issues@tez.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2015/05/07 02:30:59 UTC

[jira] [Created] (TEZ-2426) Task input not complete before sending Task completed event

Bikas Saha created TEZ-2426:
-------------------------------

             Summary: Task input not complete before sending Task completed event
                 Key: TEZ-2426
                 URL: https://issues.apache.org/jira/browse/TEZ-2426
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Bikas Saha
            Priority: Critical
         Attachments: am.log, container.log

Sequence of events
1) Task A starts in a container
2) Task A complete event comes to AM
3) Task B starts in the same container
4) Task A's input calls some method on its context. Crashes with NPE
5) The crash sends an input failed event for Task A to the AM
6) Task A state machine crashes saying cannot handle failed after success

In some cases, it could be that status update event is also sent after completion, though not sure if its related to the failed event being sent.



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