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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4964) JobLocalizer#localizeJobFiles can potentially write job.xml to the wrong user's directory
Date Mon, 04 Feb 2013 22:18:13 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4964?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla updated MAPREDUCE-4964:
----------------------------------------

    Resolution: Duplicate
        Status: Resolved  (was: Patch Available)

Thanks Arun. Closing this JIRA as a duplicate of MR-4843, I uploaded the latest patch here
to MAPREDUCE-4843.
                
> 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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