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From "Daryn Sharp (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8179) risk of NPE in CopyCommands processArguments()
Date Tue, 20 Mar 2012 13:55:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13233410#comment-13233410
] 

Daryn Sharp commented on HADOOP-8179:
-------------------------------------

Regarding no test, I was able to test locally by: starting a mini-cluster, creating a file
with insufficient privs for different user (non-superuser) to access, then tried to access
the file with that different user.  I saw the NPE before, but not after, the patch.
                
> risk of NPE in CopyCommands processArguments()
> ----------------------------------------------
>
>                 Key: HADOOP-8179
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8179
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.24.0, 0.23.2
>            Reporter: Steve Loughran
>            Assignee: Daryn Sharp
>            Priority: Minor
>         Attachments: HADOOP-8179.patch, HADOOP-8179.patch
>
>
> My IDE is warning me that the {{is.close()}} method will NPE if the {{is = src.fs.open(src.path);}}
call raises an exception, which could happen if the source path could not be opened. There
should be an if (is!=null) wrapper

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