getDiagnostics in TaskReport should return exceptions
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Key: HADOOP-5201
URL: https://issues.apache.org/jira/browse/HADOOP-5201
Project: Hadoop Core
Issue Type: Improvement
Components: mapred
Reporter: Santhosh Srinivasan
Currently, getDiagnostics() returns Strings. When exceptions are thrown in user
code and/or Hadoop, it would be cleaner to propagate the exception back to the
application for better error handling. Hadoop should return the exceptions
instead of returning string representations that correspond to
printStackTrace() output.
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