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Posted to common-dev@hadoop.apache.org by "Jerry He (JIRA)" <ji...@apache.org> on 2013/05/24 07:49:20 UTC

[jira] [Created] (HADOOP-9597) FileSystem open() API is not clear if FileNotFoundException is throw when the path does not exist

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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