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Posted to mapreduce-dev@hadoop.apache.org by "nemon lou (JIRA)" <ji...@apache.org> on 2013/04/17 06:17:16 UTC

[jira] [Created] (MAPREDUCE-5155) Race condition in test case TestFetchFailure cause it to fail

nemon lou created MAPREDUCE-5155:
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             Summary: Race condition in test case TestFetchFailure cause it to fail
                 Key: MAPREDUCE-5155
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5155
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: test
    Affects Versions: 2.0.3-alpha
         Environment: Suse x86_64 GNU/Linux
Java(TM) SE Runtime Environment (build 1.6.0_32-b05
            Reporter: nemon lou
            Priority: Minor


I run into this once: testFetchFailureWithRecovery(org.apache.hadoop.mapreduce.v2.app.TestFetchFailure): Num completion events not correct expected:<1> but was:<0>

There is a race condition between job.getTaskAttemptCompletionEvents and dealing with JOB_TASK_ATTEMPT_COMPLETED event.If job.getTaskAttemptCompletionEvents invoked because of task in SUCCEEDED state ,but before JOB_TASK_ATTEMPT_COMPLETED event scheduled,the test case will fail.



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