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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7174) null is displayed in the console,if the src path is invalid while doing copyToLocal operation from commandLine
Date Wed, 23 Mar 2011 17:12:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13010228#comment-13010228
] 

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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