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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4864) -libjars with multiple jars broken when client and cluster reside on different OSs
Date Sat, 23 May 2009 01:58:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12712336#action_12712336
] 

Hadoop QA commented on HADOOP-4864:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12408681/patch-4864-1.txt
  against trunk revision 777594.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    +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 Eclipse classpath. The patch retains Eclipse classpath integrity.

    +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 failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/381/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/381/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/381/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/381/console

This message is automatically generated.

> -libjars with multiple jars broken when client and cluster reside on different OSs
> ----------------------------------------------------------------------------------
>
>                 Key: HADOOP-4864
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4864
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: filecache
>    Affects Versions: 0.19.0
>         Environment: When your hadoop job spans OSs.
>            Reporter: Stuart White
>            Assignee: Amareshwari Sriramadasu
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: patch-4864-1.txt, patch-4864.txt, patch.txt
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> When submitting a hadoop job from Windows (Cygwin) to a Linux hadoop cluster (or vice
versa), and when you specify multiple additional jar files via the -libjars flag, hadoop throws
a ClassNotFoundException for any classes located in the additional jars specified via the
-libjars flag.
> This is caused by the fact that hadoop uses system.getProperty("path.separator") as the
delimiter in the list of jar files passed via -libjars.
> My suggested solution is to use a comma as the delimiter, rather than the path.separator.
> I realize comma is, perhaps, a poor choice for a delimiter because it is valid in filenames
on both Windows and Linux, but the -libjars flag uses it as the delimiter when listing the
additional required jars.  So, I figured if it's already being used as a delimiter, then it's
reasonable to use it internally as well.

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