JobClient should check input/output specifications before copying the job
files on the DFS
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Key: HADOOP-3739
URL: https://issues.apache.org/jira/browse/HADOOP-3739
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Reporter: Amar Kamat
Priority: Trivial
JobClient copies/creates job files on the DFS first and then checks for
input/output specifications. This can be better done by first checking the
specifications and then copy/create the job files to the DFS.
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