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https://issues.apache.org/jira/browse/HADOOP-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated HADOOP-1642:
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    Status: Open  (was: Patch Available)

bq. I just checked out the 0.15 branch and I don't see the code mentioned in 
the patch commited there?

Adrian, the original fix went into 0.16.0 (trunk), could you check if it is 
fixed there? If not, please open another issue and attach your current patch, 
else we can debate about reverting Doug's original patch from 0.16.0. Thanks!

> Jobs using LocalJobRunner + JobControl fails
> --------------------------------------------
>
>                 Key: HADOOP-1642
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1642
>             Project: Hadoop
>          Issue Type: Bug
>    Affects Versions: 0.15.0
>            Reporter: Johan Oskarsson
>            Assignee: Doug Cutting
>            Priority: Critical
>             Fix For: 0.16.0
>
>         Attachments: HADOOP-1642-2.patch, HADOOP-1642-3.patch, 
> HADOOP-1642-4.patch, HADOOP-1642-5.patch, HADOOP-1642.patch
>
>
> 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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