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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