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https://issues.apache.org/jira/browse/MAPREDUCE-1435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12841613#action_12841613
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Hadoop QA commented on MAPREDUCE-1435:
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+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12437873/1435.v4.patch
against trunk revision 918864.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 18 new or modified tests.
+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 passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/500/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/500/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/500/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/500/console
This message is automatically generated.
> symlinks in cwd of the task are not handled properly after MAPREDUCE-896
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-1435
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1435
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.22.0
> Reporter: Amareshwari Sriramadasu
> Assignee: Ravi Gummadi
> Fix For: 0.22.0
>
> Attachments: 1435.patch, 1435.v1.patch, 1435.v2.patch, 1435.v3.patch,
> 1435.v4.patch, MR-1435-y20s.patch
>
>
> With JVM reuse, TaskRunner.setupWorkDir() lists the contents of workDir and
> does a fs.delete on each path listed. If the listed file is a symlink to
> directory, it will delete the contents of those linked directories. This
> would delete files from distributed cache and jars directory,if
> mapred.create.symlink is true.
> Changing ownership/permissions of symlinks through ENABLE_TASK_FOR_CLEANUP
> would change ownership/permissions of underlying files.
> This is observed by Karam while running streaming jobs with DistributedCache
> and jvm reuse.
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