Should not use PrintWriter to write taskjvm.sh
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Key: MAPREDUCE-2374
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2374
Project: Hadoop Map/Reduce
Issue Type: Bug
Affects Versions: 0.22.0
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Fix For: 0.22.0
Our use of PrintWriter in TaskController.writeCommand is unsafe, since that
class swallows all IO exceptions. We're not currently checking for errors,
which I'm seeing result in occasional task failures with the message "Text file
busy" - assumedly because the close() call is failing silently for some reason.
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