Jerry He created HADOOP-9597:
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Summary: FileSystem open() API is not clear if
FileNotFoundException is throw when the path does not exist
Key: HADOOP-9597
URL: https://issues.apache.org/jira/browse/HADOOP-9597
Project: Hadoop Common
Issue Type: Improvement
Components: documentation, fs
Affects Versions: 2.0.4-alpha
Reporter: Jerry He
Priority: Minor
Fix For: 2.0.4.1-alpha
The current FileSystem open() method throws a generic IOException in its API
specification.
Some FileSystem implementations (DFS, RawLocalFileSystem ...) throws more
specific FileNotFoundException if the path does not exist. Some throws
IOException only (FTPFileSystem, HftpFileSystem ...).
If we have a new FileSystem implementation, what should we follow exactly for
open()?
What should the application expect in this case.
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