[ http://issues.apache.org/jira/browse/HADOOP-593?page=all ]
Doug Cutting updated HADOOP-593:
--------------------------------
Status: Resolved (was: Patch Available)
Resolution: Fixed
I just committed this. Thanks, Owen!
> NullPointerException in JobTracker's ExireTaskTracker thread
> ------------------------------------------------------------
>
> Key: HADOOP-593
> URL: http://issues.apache.org/jira/browse/HADOOP-593
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.7.0
> Reporter: Owen O'Malley
> Assigned To: Owen O'Malley
> Priority: Critical
> Fix For: 0.7.1
>
> Attachments: catch-exceptions-in-jt.patch
>
>
> The JobTracker's thread that finds dead task trackers is getting a
> NullPointerException:
> Exception in thread "Thread-19" java.lang.NullPointerException
> at
> org.apache.hadoop.mapred.JobInProgress.failedTask(JobInProgress.java:614)
> at
> org.apache.hadoop.mapred.JobInProgress.updateTaskStatus(JobInProgress.java:291)
> at
> org.apache.hadoop.mapred.JobInProgress.failedTask(JobInProgress.java:674)
> at
> org.apache.hadoop.mapred.JobTracker.lostTaskTracker(JobTracker.java:1204)
> at
> org.apache.hadoop.mapred.JobTracker$ExpireTrackers.run(JobTracker.java:225)
> at java.lang.Thread.run(Thread.java:595)
> Which kills the thread and prevents any other task trackers from being killed.
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