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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1992) NPE in JobTracker's constructor
Date Wed, 04 Aug 2010 02:09:16 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895121#action_12895121

Hadoop QA commented on MAPREDUCE-1992:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 982087.

    +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 new tests are needed for this patch.
                        Also please list what manual steps were performed to verify 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 release audit.  The applied patch does not increase the total number of release audit

    -1 core tests.  The patch failed core unit tests.

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

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/349/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/349/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/349/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/349/console

This message is automatically generated.

> NPE in JobTracker's constructor
> -------------------------------
>                 Key: MAPREDUCE-1992
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1992
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>            Reporter: Ravi Gummadi
>         Attachments: m1992-02.patch
> On my local machine, JobTracker is *not* coming up with current trunk. Logs show the
following NPE:
> 2010-08-03 14:01:41,449 FATAL org.apache.hadoop.mapred.JobTracker: java.lang.NullPointerException
>   at org.apache.hadoop.security.UserGroupInformation.isLoginKeytabBased(UserGroupInformation.java:703)
>   at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:1383)
>   at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:275)
>   at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:267)
>   at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:262)
>   at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4236)
> 2010-08-03 14:01:41,449 INFO org.apache.hadoop.mapred.JobTracker: SHUTDOWN_MSG:

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