task cleanup messages can get lost, causing task trackers to keep tasks forever
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Key: HADOOP-639
URL: http://issues.apache.org/jira/browse/HADOOP-639
Project: Hadoop
Issue Type: Bug
Components: mapred
Affects Versions: 0.7.2
Reporter: Owen O'Malley
Assigned To: Owen O'Malley
Fix For: 0.8.0
If the pollForTaskWithClosedJob call from a job tracker to a task tracker times
out when a job completes, the tasks are never cleaned up. This can cause the
mini m/r cluster to hang on shutdown, but also is a resource leak.
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