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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4689) JobClient.getMapTaskReports on failed job results in NPE
Date Fri, 28 Sep 2012 21:35:08 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465923#comment-13465923

Hadoop QA commented on MAPREDUCE-4689:

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {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-hs.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2891//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2891//console

This message is automatically generated.
> JobClient.getMapTaskReports on failed job results in NPE
> --------------------------------------------------------
>                 Key: MAPREDUCE-4689
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4689
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.23.3
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: MAPREDUCE-4689.patch
> When calling JobClient.getMapTaskReports for a job that has failed results in an NPE.
 For example:
> {noformat}
> Exception in thread "main" java.lang.NullPointerException
> 	at org.apache.hadoop.mapreduce.counters.AbstractCounters.<init>(AbstractCounters.java:107)
> 	at org.apache.hadoop.mapred.Counters.<init>(Counters.java:71)
> 	at org.apache.hadoop.mapred.Counters.downgrade(Counters.java:80)
> 	at org.apache.hadoop.mapred.TaskReport.downgrade(TaskReport.java:81)
> 	at org.apache.hadoop.mapred.TaskReport.downgradeArray(TaskReport.java:88)
> 	at org.apache.hadoop.mapred.JobClient.getTaskReports(JobClient.java:691)
> 	at org.apache.hadoop.mapred.JobClient.getMapTaskReports(JobClient.java:681)
> ...
> {noformat}

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