[jira] [Commented] (MAPREDUCE-6682) TestMRCJCFileOutputCommitter fais intermittently

["Akira AJISAKA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15318476#comment-15318476 ] 

Akira AJISAKA commented on MAPREDUCE-6682:
------------------------------------------

It looks like another test put files in the directory and then {{testAbort()}} asserted that there is no file in the directory. I reproduced this failure by the following steps:
{code}
$ mvn test -Dtest=TestMRTimelineEventHandling#testMapreduceJobTimelineServiceEnabled
$ mvn test -Dtest=TestMRCJCFileOutputCommitter#testAbort 
{code}
We should remove {{outDir}} before {{testAbort()}} and cleanup temporary directories after {{TestMRTimelineEventHandling#testMapreduceJobTimelineServiceEnabled}}.

> TestMRCJCFileOutputCommitter fais intermittently
> ------------------------------------------------
>
>                 Key: MAPREDUCE-6682
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6682
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: test
>            Reporter: Brahma Reddy Battula
>            Assignee: Haibo Chen
>
> {noformat}
> java.lang.AssertionError: Output directory not empty expected:<0> but was:<4>
> 	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.junit.Assert.assertEquals(Assert.java:555)
> 	at org.apache.hadoop.mapred.TestMRCJCFileOutputCommitter.testAbort(TestMRCJCFileOutputCommitter.java:153)
> {noformat}
> *PreCommit Report* 
> https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6434/testReport/



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