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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5234) NPE in TaskTracker reinit action
Date Thu, 12 Feb 2009 10:47:59 GMT
NPE in TaskTracker reinit action

                 Key: HADOOP-5234
                 URL: https://issues.apache.org/jira/browse/HADOOP-5234
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
            Reporter: Amareshwari Sriramadasu
            Priority: Critical

I have seen an NPE in TT reinit action.
TT logs :
2009-02-12 12:14:02,859 INFO org.apache.hadoop.mapred.TaskTracker: Error cleaning up task
runner: java.lang.NullPointerException
	at org.apache.hadoop.mapred.TaskTracker$TaskInProgress.cleanup(TaskTracker.java:2515)
	at org.apache.hadoop.mapred.TaskTracker$TaskInProgress.jobHasFinished(TaskTracker.java:2381)
	at org.apache.hadoop.mapred.TaskTracker.close(TaskTracker.java:925)
	at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:1830)
	at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:2901)

corresponding code is 
2515            if (localJobConf.getNumTasksToExecutePerJvm() == 1) {

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