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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1334) contrib/index - test - TestIndexUpdater fails due to an additional presence of file _SUCCESS in hdfs
Date Fri, 25 Dec 2009 12:36:29 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12794560#action_12794560
] 

Hadoop QA commented on MAPREDUCE-1334:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12428949/MAPREDUCE-1334.patch
  against trunk revision 893828.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed core unit tests.

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/343/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/343/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/343/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/343/console

This message is automatically generated.

> contrib/index - test - TestIndexUpdater fails due to an additional presence of file _SUCCESS
in hdfs 
> -----------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1334
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1334
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: test
>            Reporter: Kay Kay
>             Fix For: 0.21.0
>
>         Attachments: MAPREDUCE-1334.patch
>
>
> $ cd src/contrib/index
> $ ant clean test 
> This fails the test TestIndexUpdater due to a mismatch in the - doneFileNames - data
structure, when it is being run with different parameters. 
> (ArrayIndexOutOfBoundsException raised when inserting elements in doneFileNames, array
). 
> Debugging further - there seems to be an additional file called as - hdfs://localhost:36021/myoutput/_SUCCESS
, taken into consideration in addition to those that begins with done* .  The presence of
the extra file causes the error. 
> Attaching a patch that would circumvent this by increasing the array length of shards
by 1 . 
> But longer term the test fixtures need to be probably revisited to see if the presence
of _SUCCESS as a file is a good thing to begin with before we even get to this test case.

> Any comments / suggestions on the same welcome. 

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