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https://issues.apache.org/jira/browse/HADOOP-9761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13723363#comment-13723363
]
Hadoop QA commented on HADOOP-9761:
-----------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12594836/HADOOP-9761_viewfilesystem_rename_fails.003.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/2875//testReport/
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/2875//console
This message is automatically generated.
> 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
> Attachments: hadoop-9761-1.patch, hadoop-9761-1.patch,
> HADOOP-9761_viewfilesystem_rename_fails.003.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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