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https://issues.apache.org/jira/browse/MAPREDUCE-6802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15622628#comment-15622628
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Haibo Chen commented on MAPREDUCE-6802:
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[~yussufshaikh] I believe this is a sub case of MAPREDUCE-6801. The root cause
for cases is the same, that is, the event handler thread not being able to
process events on time. The external state of a job that we observe does not
indicate progress of the event handler thread. For example, when the job goes
into RUNNING state, it just means that all tasks have been created. Depending
on how fast the event handler thread is, the tasks could still be in NEW, or
SCHEDULED or RUNNING.
> TestKill.testKillJob() fails intermittently on Power
> ----------------------------------------------------
>
> Key: MAPREDUCE-6802
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6802
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.7.3
> Environment: # uname -a
> Linux pts00452-vm10 3.10.0-327.el7.ppc64le #1 SMP Thu Oct 29 17:31:13 EDT
> 2015 ppc64le ppc64le ppc64le GNU/Linux
> # cat /etc/redhat-release
> Red Hat Enterprise Linux Server release 7.2 (Maipo)
> Reporter: Yussuf Shaikh
>
> Running org.apache.hadoop.mapreduce.v2.app.TestKill
> Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 9.86 sec <<<
> FAILURE! - in org.apache.hadoop.mapreduce.v2.app.TestKill
> testKillJob(org.apache.hadoop.mapreduce.v2.app.TestKill) Time elapsed: 0.377
> sec <<< FAILURE!
> java.lang.AssertionError: Task state not correct expected:<KILLED> but
> was:<NEW>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at
> org.apache.hadoop.mapreduce.v2.app.TestKill.testKillJob(TestKill.java:99)
> Results :
> Failed tests:
> TestKill.testKillJob:99 Task state not correct expected:<KILLED> but
> was:<NEW>
> Tests run: 5, Failures: 1, Errors: 0, Skipped: 0
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