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Posted to common-dev@hadoop.apache.org by "Amar Kamat (JIRA)" <ji...@apache.org> on 2008/09/12 22:15:44 UTC
[jira] Created: (HADOOP-4167) RawLocalFileSystem.listStatus()
should not throw FileNotFound exception if a file goes missing while the
list is being computed
RawLocalFileSystem.listStatus() should not throw FileNotFound exception if a file goes missing while the list is being computed
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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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[jira] Commented: (HADOOP-4167) RawLocalFileSystem.listStatus()
should not throw FileNotFound exception if a file goes missing while the
list is being computed
Posted by "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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