TT should fail to start on secure cluster when SecureIO isn't available
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Key: MAPREDUCE-2321
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2321
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Todd Lipcon
Assignee: Todd Lipcon
When security is enabled, the TT requires SecureIO JNI extensions to be
available. Currently the user doesn't notice this until jobs start failing with
mysterious fetch failures and exceptions spew all over the log. Instead the TT
should check that the JNI library is available and fail to start if it's not.
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