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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1992) NPE in JobTracker's constructor
Date Tue, 03 Aug 2010 08:31:18 GMT
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


On my local machine, JobTracker is 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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