hadoop fs -put should return different code for different failures
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Key: HADOOP-5242
URL: https://issues.apache.org/jira/browse/HADOOP-5242
Project: Hadoop Core
Issue Type: Improvement
Components: dfs
Affects Versions: 0.19.0
Reporter: Runping Qi
hadoop fs -put may fail due to different reasons, such as the source file does
not exist, the destination file already exists, permission denied, or
exceptions during writing.
However, it returns the same code (-1), making it impossible to tell what is
the actual cause of the failure.
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