Gera Shegalov created HDFS-6143:
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Summary: HftpFileSystem open should through FileNotFoundException
for non-existing paths
Key: HDFS-6143
URL: https://issues.apache.org/jira/browse/HDFS-6143
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.3.0
Reporter: Gera Shegalov
Assignee: Gera Shegalov
HftpFileSystem.open incorrectly handles non-existing paths.
- 'open', does not really open anything, i.e., it does not contact the server,
and therefore cannot discover FileNotFound, it's deferred until next read. It's
counterintuitive and not how local FS or HDFS work. In POSIX you get ENOENT on
open.
[LzoInputFormat.getSplits|https://github.com/kevinweil/elephant-bird/blob/master/core/src/main/java/com/twitter/elephantbird/mapreduce/input/LzoInputFormat.java]
is an example of the code that's broken because of this.
- On the server side, FileDataServlet incorrectly sends SC_BAD_REQUEST instead
of SC_NOT_FOUND for non-exitsing paths
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