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Date: Wed, 4 Apr 2012 19:52:19 +0000 (UTC)
From: "Robert Joseph Evans (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HADOOP-8179) risk of NPE in CopyCommands
 processArguments()
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    [ https://issues.apache.org/jira/browse/HADOOP-8179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13246660#comment-13246660 ] 

Robert Joseph Evans commented on HADOOP-8179:
---------------------------------------------

The patch looks simple enough that no unit tests are needed and it fixes the observed issue.  +1
                
> 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: 0.23.2, 0.24.0
>            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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