JvmManager dies on windows because it doesn't have process IDs
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Key: MAPREDUCE-3661
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3661
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: task-controller
Affects Versions: 1.0.0
Environment: Windows+cygwin
Reporter: Jonathan Matthew
JvmManager.kill() throws a NumberFormatException on Windows because it doesn't
have process IDs, so it passes the default empty string (set in Child.main
apparently) to Integer.parseInt(). This causes the task tracker to shut down.
I'm guessing the child can't send null (rather than "") as its pid to the
parent, so the parent should treat the empty string the same as null when
processing the pid string.
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