[jira] [Reopened] (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:all-tabpanel
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Colin Patrick McCabe reopened HADOOP-9652:
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Assignee: Colin Patrick McCabe (was: Andrew Wang)
RawLocalFs#getFileLinkStatus does not fill in the link owner and mode
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Key: HADOOP-9652
URL: https://issues.apache.org/jira/browse/HADOOP-9652
Project: Hadoop Common
Issue Type: Bug
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
Fix For: 2.3.0
Attachments: 0001-temporarily-disable-HADOOP-9652.patch,
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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[jira] [Reopened] (HADOOP-9652) RawLocalFs#getFileLinkStatus does not fill in the link owner and mode
[
https://issues.apache.org/jira/browse/HADOOP-9652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jason Lowe reopened HADOOP-9652:
I reverted the changes from branch-2 as well.
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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