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https://issues.apache.org/jira/browse/HDFS-1088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12858070#action_12858070
 ] 

Hadoop QA commented on HDFS-1088:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12442020/hdfs-1088-4.patch
  against trunk revision 934196.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified 
tests.
                        Please justify why no new tests are needed for this 
patch.
                        Also please list what manual steps were performed to 
verify this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of 
release audit warnings.

    -1 core tests.  The patch failed core unit tests.

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: 
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/317/testReport/
Findbugs warnings: 
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/317/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: 
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/317/artifact/trunk/build/test/checkstyle-errors.html
Console output: 
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/317/console

This message is automatically generated.

> Prevent renaming a symlink to its target 
> -----------------------------------------
>
>                 Key: HDFS-1088
>                 URL: https://issues.apache.org/jira/browse/HDFS-1088
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>         Attachments: hdfs-1088-1.patch, hdfs-1088-2.patch, hdfs-1088-3.patch, 
> hdfs-1088-4.patch
>
>
> Here's the HDFS side of HADOOP-6563: 
> * Small bug fix for renaming a symlink to it's target
> * Hdfs#getFileBlockLocations needs to use getUriPath() to ensure an absolute 
> path is passed in. See minor change to INode#getPathNames, which now asserts 
> instead of returning null and causing NPEs. This was exposed via calling 
> FileContext#getFileBlockLocations using a symlink.
> * Comment in FSImage around symlinks and image loading

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