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https://issues.apache.org/jira/browse/HADOOP-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12541728
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Adrian Woodhead commented on HADOOP-1642:
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Yes, the original fix is indeed in the trunk, the patch I have submitted was
also built against the trunk and requires Doug's original patch and should be
applied in addition to it as it solves the second issue which arose after the
original patch. Can someone please code review it and see if it is acceptable?
> 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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