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https://issues.apache.org/jira/browse/HADOOP-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12540487
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Doug Cutting commented on HADOOP-1642:
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bq. Can anyone tell why hudson couldn't apply the patch?
Here's what I see when I attempt to apply this to trunk:
{noformat}
% patch -p 0 < ~/Desktop/HADOOP-1642-4.patch
patching file
src/test/org/apache/hadoop/mapred/jobcontrol/TestLocalJobControl.java
patching file src/test/org/apache/hadoop/mapred/jobcontrol/TestJobControl.java
Hunk #1 FAILED at 18.
Hunk #2 succeeded at 47 (offset 3 lines).
Hunk #3 succeeded at 90 (offset 3 lines).
Hunk #4 succeeded at 106 (offset 3 lines).
Hunk #5 succeeded at 125 (offset 3 lines).
1 out of 5 hunks FAILED -- saving rejects to file
src/test/org/apache/hadoop/mapred/jobcontrol/TestJobControl.java.rej
patching file
src/test/org/apache/hadoop/mapred/jobcontrol/JobControlTestUtils.java
patching file src/java/org/apache/hadoop/mapred/LocalJobRunner.java
Hunk #2 FAILED at 268.
1 out of 2 hunks FAILED -- saving rejects to file
src/java/org/apache/hadoop/mapred/LocalJobRunner.java.rej
{noformat}
> Jobs using LocalJobRunner + JobControl fails
> --------------------------------------------
>
> Key: HADOOP-1642
> URL: https://issues.apache.org/jira/browse/HADOOP-1642
> Project: Hadoop
> Issue Type: Bug
> Affects Versions: 0.14.3
> 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.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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