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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7327) FileSystem.listStatus() throws NullPointerException instead of IOException upon access permission failure
Date Fri, 17 Jun 2011 22:24:47 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13051363#comment-13051363
] 

Hadoop QA commented on HADOOP-7327:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12482998/hadoop-7327-2.patch
  against trunk revision 1136249.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/650//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/650//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/650//console

This message is automatically generated.

> 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
>            Priority: Minor
>         Attachments: hadoop-7327-1.patch, hadoop-7327-2.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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