[jira] [Created] (HADOOP-9651) Filesystems to throw FileAlreadyExistsException in createFile(path, overwrite=false) when the file exists

["Steve Loughran (JIRA)" <ji...@apache.org>]

Steve Loughran created HADOOP-9651:
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             Summary: Filesystems to throw FileAlreadyExistsException in createFile(path, overwrite=false) when the file exists
                 Key: HADOOP-9651
                 URL: https://issues.apache.org/jira/browse/HADOOP-9651
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs
    Affects Versions: 2.1.0-beta
            Reporter: Steve Loughran
            Priority: Minor


While HDFS and other filesystems throw a {{FileAlreadyExistsException}} if you try to create a file that exists and you have set {{overwrite=false}}, {{RawLocalFileSystem}} throws a plain {{IOException}}. This makes it impossible to distinguish a create operation failing from a fixable problem (the file is there) and something more fundamental.

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