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https://issues.apache.org/jira/browse/MAPREDUCE-4964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13565657#comment-13565657
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Alejandro Abdelnur commented on MAPREDUCE-4964:
-----------------------------------------------
+1. Thanks for verifying/confirming tests pass. I'll commit this mid afternoon
today unless I hear otherwise.
> JobLocalizer#localizeJobFiles can potentially write job.xml to the wrong
> user's directory
> -----------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4964
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4964
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv1
> Affects Versions: 1.1.1
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: MR-4964.patch, MR-4964.patch
>
>
> In the following code, if jobs corresponding to different users (X and Y) are
> localized simultaneously, it is possible that jobconf can be written to the
> wrong user's directory. (X's job.xml can be written to Y's directory)
> {code}
> public void localizeJobFiles(JobID jobid, JobConf jConf,
> Path localJobTokenFile, TaskUmbilicalProtocol taskTracker)
> throws IOException, InterruptedException {
> localizeJobFiles(jobid, jConf,
> lDirAlloc.getLocalPathForWrite(JOBCONF, ttConf), localJobTokenFile,
> taskTracker);
> }
> {code}
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