NameNode should throw FileNotFoundException for nonexistent files
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Key: HADOOP-2842
URL: https://issues.apache.org/jira/browse/HADOOP-2842
Project: Hadoop Core
Issue Type: Improvement
Components: dfs
Affects Versions: 0.16.0
Reporter: Hairong Kuang
Fix For: 0.17.0
Currently namenode throws an IOException with a "File does not exist" message
for nonexistent files. It would be better to throw FileNotFound exception. So
the client does not need to parse the error message to find out the real cause
of the I/O error.
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