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