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  1. Hadoop Map/Reduce
  2. MAPREDUCE-1992

NPE in JobTracker's constructor

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.22.0
    • Fix Version/s: 0.22.0
    • Component/s: jobtracker
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      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:

        Attachments

        1. m1992-02.patch
          2 kB
          Kan Zhang

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            • Assignee:
              kzhang Kan Zhang
              Reporter:
              ravidotg Ravi Gummadi

              Dates

              • Created:
                Updated:
                Resolved:

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