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https://issues.apache.org/jira/browse/HADOOP-9507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13720303#comment-13720303
]
Hadoop QA commented on HADOOP-9507:
-----------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12594299/HADOOP-9507-trunk.5.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.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/2850//testReport/
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/2850//console
This message is automatically generated.
> LocalFileSystem rename() is broken in some cases when destination exists
> ------------------------------------------------------------------------
>
> Key: HADOOP-9507
> URL: https://issues.apache.org/jira/browse/HADOOP-9507
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 3.0.0, 1-win, 2.1.0-beta, 1.3.0
> Reporter: Mostafa Elhemali
> Assignee: Chris Nauroth
> Priority: Minor
> Attachments: HADOOP-9507-branch-1.1.patch,
> HADOOP-9507-branch-1.3.patch, HADOOP-9507-branch-1.4.patch,
> HADOOP-9507-branch-1.5.patch, HADOOP-9507-branch-1-win.1.patch,
> HADOOP-9507-branch-1-win.3.patch, HADOOP-9507-branch-1-win.4.patch,
> HADOOP-9507-branch-1-win.5.patch, HADOOP-9507.branch-1-win.patch,
> HADOOP-9507-trunk.1.patch, HADOOP-9507-trunk.2.patch,
> HADOOP-9507-trunk.3.patch, HADOOP-9507-trunk.4.patch,
> HADOOP-9507-trunk.5.patch
>
>
> The rename() method in RawLocalFileSystem uses FileUtil.copy() without
> realizing that FileUtil.copy() has a special behavior that if you're copying
> /foo to /bar and /bar exists and is a directory, it'll copy /foo inside /bar
> instead of overwriting it, which is not what rename() wants. So you end up
> with weird behaviors like in this repro:
> {code}
> c:
> cd \
> md Foo
> md Bar
> md Foo\X
> md Bar\X
> hadoop fs -mv file:///c:/Foo file:///c:/Bar
> {code}
> At the end of this, you would expect to find only Bar\X, but you instead find
> Bar\X\X.
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