[HADOOP-5234] NPE in TaskTracker reinit action

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 0.19.0
• Assignee: Amareshwari Sriramadasu
• Reporter: Amareshwari Sriramadasu
• Created: 12/Feb/09 10:46
• Updated: 08/Jul/09 16:53
• Resolved: 25/Feb/09 04:05

Description

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) {

Issue Links

• is part of: HADOOP-5233 Reducer not Succeded after 100%