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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1642) Jobs using LocalJobRunner + JobControl fails
Date Fri, 20 Jul 2007 17:23:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12514252
] 

Doug Cutting commented on HADOOP-1642:
--------------------------------------

I have seen unit tests fail with this message on recent trunk versions.  I don't think the
bug is specific to JobControl, but is rather with LocalJobRunner.

> Jobs using LocalJobRunner + JobControl fails
> --------------------------------------------
>
>                 Key: HADOOP-1642
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1642
>             Project: Hadoop
>          Issue Type: Bug
>    Affects Versions: 0.13.0
>            Reporter: Johan Oskarsson
>            Priority: Critical
>             Fix For: 0.14.0
>
>
> If I run several jobs at the same time using JobControl and the LocalJobRunner i get:
> java.io.IOException: Target /tmp/hadoop-johan/mapred/local/localRunner/job_local_1.xml
already exists.
> It seems like the JobControl class tries to run multiple jobs with the same jobid, causing
the exception.

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