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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1171) NPE in TaskTracker RenitTrackerAction
Date Wed, 28 Mar 2007 07:19:32 GMT
NPE in TaskTracker RenitTrackerAction 
--------------------------------------

                 Key: HADOOP-1171
                 URL: https://issues.apache.org/jira/browse/HADOOP-1171
             Project: Hadoop
          Issue Type: Bug
          Components: mapred
            Reporter: Koji Noguchi


TaskTracker log shows =============

2007-03-28 02:32:18,076 INFO org.apache.hadoop.mapred.TaskTracker: Recieved RenitTrackerAction
from JobTracker
2007-03-28 02:32:18,494 ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker
because java.lang.NullPointerException
  at org.apache.hadoop.mapred.TaskTracker$TaskInProgress.jobHasFinished(TaskTracker.java:1187)
  at org.apache.hadoop.mapred.TaskTracker.close(TaskTracker.java:430)
  at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:917)
  at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:1589)

JobTracker log shows ==============
2007-03-28 02:31:18,977 INFO org.apache.hadoop.mapred.JobTracker: Lost tracker '____.____.com'
...
2007-03-28 02:31:18,977 INFO org.apache.hadoop.mapred.JobInProgress: TaskTracker at 'tracker____.___.com'
turned 'flaky'
...
2007-03-28 02:32:18,075 WARN org.apache.hadoop.mapred.JobTracker: Status from unknown Tracker
: tracker____.___.com:#####


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