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Posted to common-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2014/01/24 15:54:38 UTC

[jira] [Created] (HADOOP-10276) CLONE - RawLocalFs#getFileLinkStatus does not fill in the link owner and mode

Jason Lowe created HADOOP-10276:
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             Summary: CLONE - RawLocalFs#getFileLinkStatus does not fill in the link owner and mode
                 Key: HADOOP-10276
                 URL: https://issues.apache.org/jira/browse/HADOOP-10276
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Colin Patrick McCabe
            Assignee: Colin Patrick McCabe
             Fix For: 2.4.0


{{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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