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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-2015) GridMix always throws an FileAlreadyExistsException even ouput directory is not available in HDFS.
Date Tue, 17 Aug 2010 05:41:19 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12899289#action_12899289
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Ravi Gummadi commented on MAPREDUCE-2015:
-----------------------------------------

Is gridmix.output.directory defined as a relative path ? If so, then also it is because of
the same problem reported at MAPREDUCE-1979 and the patch uploaded to MAPREDUCE-1979 solves
it. Please validate the same and resolve this as duplicate, if this JIRA is a duplicate of
MAPREDUCE-1979.
If relative path is specified for gridmix.output.directory, then also gridmix tries to create
that relative path as ioPath/<relativePath>.

> GridMix always throws an FileAlreadyExistsException even ouput directory is not available
in HDFS.
> --------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2015
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2015
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/gridmix
>    Affects Versions: 0.20.1
>            Reporter: Vinay Kumar Thota
>            Assignee: Ranjit Mathew
>
> Gridmix always throws an FileAlreadyExistsException even ouput directory is not available
in HDFS. Actually I was launching the Gridmix in a command line for generating the data, before
launching I just make sure the output directory is not available in the HDFS by deleting the
folder if already exists.However, I could see output directory already exists exception every
time. Please see the attached logs for more information.

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