libhdfs issue warning if FSDataInputStream returns invalid return value
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Key: HADOOP-4630
URL: https://issues.apache.org/jira/browse/HADOOP-4630
Project: Hadoop Core
Issue Type: Improvement
Components: libhdfs
Reporter: Pete Wyckoff
libhdfs changes Java read semantics to posix semantics. As such, if Hadoop ever
returns 0 bytes read, libhdfs has no way of communicating this to the caller.
So, it should at least issue a warning to stderr.
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