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Date: Thu, 29 Aug 2013 19:37:52 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-5357) Job staging directory owner
 checking could fail on Windows
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-5357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753965#comment-13753965 ] 

Hudson commented on MAPREDUCE-5357:
-----------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #4344 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/4344/])
MAPREDUCE-5483. revert MAPREDUCE-5357. (rkanter via tucu) (tucu: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1518772)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/JobSubmissionFiles.java

                
> Job staging directory owner checking could fail on Windows
> ----------------------------------------------------------
>
>                 Key: MAPREDUCE-5357
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5357
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 2.1.0-beta
>            Reporter: Chuan Liu
>            Assignee: Chuan Liu
>            Priority: Minor
>             Fix For: 3.0.0, 2.1.0-beta
>
>         Attachments: MAPREDUCE-5357-trunk.patch
>
>
> In {{JobSubmissionFiles.getStagingDir()}}, we have following code that will throw exception if the directory owner is not the current user.
> {code:java}
>       String owner = fsStatus.getOwner();
>       if (!(owner.equals(currentUser) || owner.equals(realUser))) {
>          throw new IOException("The ownership on the staging directory " +
>                       stagingArea + " is not as expected. " +
>                       "It is owned by " + owner + ". The directory must " +
>                       "be owned by the submitter " + currentUser + " or " +
>                       "by " + realUser);
>       }
> {code}
> This check will fail on Windows when the underlying file system is LocalFileSystem. Because on Windows, the default file or directory owner could be "Administrators" group if the user belongs to "Administrators" group.
> Quite a few MR unit tests that runs MR mini cluster with localFs as underlying file system fail because of this.

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