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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9652) RawLocalFs#getFileLinkStatus does not fill in the link owner and mode
Date Mon, 12 Aug 2013 19:14:49 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13737254#comment-13737254
] 

Hadoop QA commented on HADOOP-9652:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12597537/hadoop-9652-6.patch
  against trunk revision .

    {color:red}-1 patch{color}.  Trunk compilation may be broken.

Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/2969//console

This message is automatically generated.
                
> 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, hadoop-9652-4.patch,
hadoop-9652-5.patch, hadoop-9652-6.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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