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Date: Tue, 30 Jul 2013 05:43:52 +0000 (UTC)
From: "Chris Nauroth (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Message-ID: <JIRA.12653594.1371596512862.134167.1375163032203@arcas>
In-Reply-To: <JIRA.12653594.1371596512862@arcas>
References: <JIRA.12653594.1371596512862@arcas>
Subject: [jira] [Commented] (HADOOP-9652) RawLocalFs#getFileLinkStatus does
 not fill in the link owner and mode
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    [ https://issues.apache.org/jira/browse/HADOOP-9652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13723430#comment-13723430 ] 

Chris Nauroth commented on HADOOP-9652:
---------------------------------------

trunk is reverted, but does this still need to be reverted from branch-2?  Thanks!
                
> RawLocalFs#getFileLinkStatus does not fill in the link owner and mode
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-9652
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9652
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Colin Patrick McCabe
>            Assignee: Andrew Wang
>             Fix For: 2.3.0
>
>         Attachments: hadoop-9452-1.patch, hadoop-9652-2.patch, hadoop-9652-3.patch
>
>
> {{RawLocalFs#getFileLinkStatus}} does not actually get the owner and mode of the symlink, but instead uses the owner and mode of the symlink target.  If the target can't be found, it fills in bogus values (the empty string and FsPermission.getDefault) for these.
> Symlinks have an owner distinct from the owner of the target they point to, and getFileLinkStatus ought to expose this.
> In some operating systems, symlinks can have a permission other than 0777.  We ought to expose this in RawLocalFilesystem and other places, although we don't necessarily have to support this behavior in HDFS.

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