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https://issues.apache.org/jira/browse/HADOOP-9761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13778760#comment-13778760
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Hudson commented on HADOOP-9761:
--------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1560 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1560/])
Move CHANGES.txt entry for HADOOP-9761 (wang:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1526293)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
> ViewFileSystem#rename fails when using DistributedFileSystem
> ------------------------------------------------------------
>
> Key: HADOOP-9761
> URL: https://issues.apache.org/jira/browse/HADOOP-9761
> Project: Hadoop Common
> Issue Type: Bug
> Components: viewfs
> Affects Versions: 3.0.0, 2.1.0-beta
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Priority: Blocker
> Fix For: 2.1.2-beta
>
> Attachments: 0001-HADOOP-9761.004.patch, hadoop-9761-1.patch,
> hadoop-9761-1.patch, hadoop-9761-2.patch
>
>
> ViewFileSystem currently passes unqualified paths (no scheme or authority) to
> underlying FileSystems when doing a rename. DistributedFileSystem symlink
> support added in HADOOP-9418 needs to qualify and check rename sources and
> destinations since cross-filesystem renames aren't supported, so this breaks
> in the following way
> - Default FS URI is configured to viewfs://<viewfs>
> - When doing a rename, ViewFileSystem checks to make sure both src and dst
> FileSystems are the same (which they are, both in same DFS), and then calls
> DistributedFileSystem#rename with unqualified "remainder" paths
> - Since these paths are unqualified, DFS qualifies them with the default FS
> to check that it can do the rename. This turns it into
> viewfs://<viewfs>/<path>
> - Since viewfs://<viewfs> is not the DFS's URI, DFS errors out the rename.
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