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From "Hudson (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 Thu, 07 Apr 2011 15:42:22 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13016966#comment-13016966
] 

Hudson commented on MAPREDUCE-1334:
-----------------------------------

Integrated in Hadoop-Mapreduce-trunk #643 (See [https://hudson.apache.org/hudson/job/Hadoop-Mapreduce-trunk/643/])
    

> 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: contrib/index
>            Reporter: Kay Kay
>            Assignee: Kay Kay
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-1334.patch, 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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