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Posted to common-dev@hadoop.apache.org by "Devaraj Das (JIRA)" <ji...@apache.org> on 2009/01/20 23:27:04 UTC
[jira] Commented: (HADOOP-1171) NPE in TaskTracker
RenitTrackerAction
[ https://issues.apache.org/jira/browse/HADOOP-1171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12665600#action_12665600 ]
Devaraj Das commented on HADOOP-1171:
-------------------------------------
Also, let me know if you want the patch for HADOOP-4924 for the 0.18 branch.
> NPE in TaskTracker RenitTrackerAction
> --------------------------------------
>
> Key: HADOOP-1171
> URL: https://issues.apache.org/jira/browse/HADOOP-1171
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.12.1, 0.18.2
> 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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