Improve the way error messages are displayed from jobclient
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Key: HADOOP-5593
URL: https://issues.apache.org/jira/browse/HADOOP-5593
Project: Hadoop Core
Issue Type: Improvement
Components: mapred
Reporter: Peeyush Bishnoi
Today if a job is submitted with an already existing output directory then an
exception trace is displayed on the client. A simple message like '{{Error
running job as output path already exists}}' might suffice.
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