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https://issues.apache.org/jira/browse/HADOOP-7327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13042887#comment-13042887
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Matt Foley commented on HADOOP-7327:
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@Daryn, for discussion of what exception to throw in the more complete
solution, please see
https://issues.apache.org/jira/browse/HADOOP-7352?focusedCommentId=13042884&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13042884
> FileSystem.listStatus() throws NullPointerException instead of IOException
> upon access permission failure
> ---------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-7327
> URL: https://issues.apache.org/jira/browse/HADOOP-7327
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.22.0, 0.23.0
> Reporter: Matt Foley
> Assignee: Matt Foley
> Attachments: hadoop-7327-1.patch
>
>
> Many processes that call listStatus() expect to handle IOException, but
> instead are getting runtime error NullPointerException, if the directory
> being scanned is visible but no-access to the running user id. For example,
> if directory foo is drwxr-xr-x, and subdirectory foo/bar is drwx------, then
> trying to do listStatus(Path(foo/bar)) will cause a NullPointerException.
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