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Date: Sun, 15 Jul 2012 14:04:35 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-4395) Possible NPE at
 ClientDistributedCacheManager#determineTimestamps
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-4395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13414634#comment-13414634 ] 

Hadoop QA commented on MAPREDUCE-4395:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12536550/MAPREDUCE-4395-1.patch
  against trunk revision .

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

    +1 tests included.  The patch appears to include 1 new or modified test files.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit warnings.

    -1 core tests.  The patch failed these unit tests in hadoop-common-project/hadoop-common:

                  org.apache.hadoop.io.file.tfile.TestTFileJClassComparatorByteArrays
                  org.apache.hadoop.io.file.tfile.TestTFileByteArrays

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2593//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2593//console

This message is automatically generated.
                
> Possible NPE at ClientDistributedCacheManager#determineTimestamps
> -----------------------------------------------------------------
>
>                 Key: MAPREDUCE-4395
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4395
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: distributed-cache, job submission, mrv2
>    Affects Versions: 2.0.0-alpha, trunk
>            Reporter: Bhallamudi Venkata Siva Kamesh
>            Assignee: Bhallamudi Venkata Siva Kamesh
>            Priority: Critical
>         Attachments: MAPREDUCE-4395-1.patch, MAPREDUCE-4395.patch
>
>
> {code:title=ClientDistributedCacheManager#determineTimestamps|borderStyle=solid}
> URI[] tfiles = DistributedCache.getCacheFiles(job);
> {code}
> It may be possible that tfiles array contains *null* as it's entry, and subsequently leads to NPE.

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