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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5357) Job staging directory owner checking could fail on Windows
Date Fri, 28 Jun 2013 04:07:20 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13695248#comment-13695248
] 

Hadoop QA commented on MAPREDUCE-5357:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12589994/MAPREDUCE-5357-trunk.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  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.

    {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-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3806//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3806//console

This message is automatically generated.
                
> Job staging directory owner checking could fail on Windows
> ----------------------------------------------------------
>
>                 Key: MAPREDUCE-5357
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5357
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 2.1.0-beta
>            Reporter: Chuan Liu
>            Assignee: Chuan Liu
>            Priority: Minor
>         Attachments: MAPREDUCE-5357-trunk.patch
>
>
> In {{JobSubmissionFiles.getStagingDir()}}, we have following code that will throw exception
if the directory owner is not the current user.
> {code:java}
>       String owner = fsStatus.getOwner();
>       if (!(owner.equals(currentUser) || owner.equals(realUser))) {
>          throw new IOException("The ownership on the staging directory " +
>                       stagingArea + " is not as expected. " +
>                       "It is owned by " + owner + ". The directory must " +
>                       "be owned by the submitter " + currentUser + " or " +
>                       "by " + realUser);
>       }
> {code}
> This check will fail on Windows when the underlying file system is LocalFileSystem. Because
on Windows, the default file or directory owner could be "Administrators" group if the user
belongs to "Administrators" group.
> Quite a few MR unit tests that runs MR mini cluster with localFs as underlying file system
fail because of this.

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