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https://issues.apache.org/jira/browse/HADOOP-7174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13010228#comment-13010228
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Daryn Sharp commented on HADOOP-7174:
-------------------------------------
Looks good. Two comments:
1) I'd suggest throwing a more posix error string like srcPath + ": No such
file or directory"
2) Should test the exit code of shell.run() to ensure it's non-zero upon
failure. If it happens to return 0, and it's a non-trivial fix, I'm
universally addressing it via HADOOP-7176.
> null is displayed in the console,if the src path is invalid while doing
> copyToLocal operation from commandLine
> --------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-7174
> URL: https://issues.apache.org/jira/browse/HADOOP-7174
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Uma Maheswara Rao G
> Assignee: Uma Maheswara Rao G
> Priority: Minor
> Attachments: HADOOP-7174.patch
>
>
> When we perform copyToLocal operations from commandLine and if src Path is
> invalid
> srcFS.globStatus(srcpath) will return null. So, when we find the length of
> resulted value, it will *throw NullPointerException*.
> Since we are handling generic exception , it will display null as the
> message.
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