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Posted to mapreduce-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/02/11 21:33:57 UTC

[jira] Created: (MAPREDUCE-2321) TT should fail to start on secure cluster when SecureIO isn't available

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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