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https://issues.apache.org/jira/browse/MAPREDUCE-4395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13417044#comment-13417044
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Hudson commented on MAPREDUCE-4395:
-----------------------------------
Integrated in Hadoop-Hdfs-0.23-Build #317 (See
[https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/317/])
svn merge -c 1362052 FIXES: MAPREDUCE-4395. Possible NPE at
ClientDistributedCacheManager#determineTimestamps (Bhallamudi via bobby)
(Revision 1362549)
Result = FAILURE
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1362549
Files :
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/StringUtils.java
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestStringUtils.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
> 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
> Fix For: 0.23.3, 2.1.0-alpha, 3.0.0
>
> 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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