[jira] Commented: (HADOOP-4167) RawLocalFileSystem.listStatus() should not throw FileNotFound exception if a file goes missing while the list is being computed

["Michael Bieniosek (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12651162#action_12651162 ] 

Michael Bieniosek commented on HADOOP-4167:
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This affects emacs autosave files.  When a buffer is edited, emacs automatically creates a .#filename file which returns false when java runs an exists() test.  This means that I can't list directories where I have unsaved emacs buffers open.

> RawLocalFileSystem.listStatus() should not throw FileNotFound exception if a file goes missing while the list is being computed
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4167
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4167
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>            Reporter: Amar Kamat
>
> {{RawLocalFileSystem.listStatus()}} first caches the filenames and then gets their statuses. Since there is no directory locking, other processes can delete files in between making the cached filenames invalid. Getting the filestatus of missing file results into {{FileNotFound}} exception.

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