NullPointerException in JobTracker's ExireTaskTracker thread
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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
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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