[jira] [Created] (MAPREDUCE-6194) Bubble up final exception in failures during creation of output collectors

["Harsh J (JIRA)" <ji...@apache.org>]

Harsh J created MAPREDUCE-6194:
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             Summary: Bubble up final exception in failures during creation of output collectors
                 Key: MAPREDUCE-6194
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6194
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: task
    Affects Versions: 2.6.0
            Reporter: Harsh J
            Priority: Minor


MAPREDUCE-5974 added in ability to instantiate multiple OCs, but if none of them are able to load it "throws" only a final a generic message: {{"Unable to initialize any output collector"}}

The older behaviour was to throw the actual instantiation exception back, so it makes it to client logs with an actual meaningful error.

Now the clients need to go take a look at the task's logs to find the WARNs that represent the failure in instantiation.



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