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From "Haibo Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6802) TestKill.testKillJob() fails intermittently on Power
Date Mon, 31 Oct 2016 16:19:58 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15622628#comment-15622628
] 

Haibo Chen commented on MAPREDUCE-6802:
---------------------------------------

[~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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