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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-487) misspelt DFS host name gives null pointer exception in getProtocolVersion
Date Mon, 25 Sep 2006 23:22:52 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-487?page=all ]

Doug Cutting updated HADOOP-487:
--------------------------------

        Status: Resolved  (was: Patch Available)
    Resolution: Fixed

You forgot to mention that you also changed the name of the thread.  The thread name was,
long ago, logged with each line, and was crafted to not be overly long.  So this is probably
a good change too, but ideally should have been mentioned.

I just committed this.  Thanks, Sameer!


> misspelt DFS host name gives null pointer exception in getProtocolVersion
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-487
>                 URL: http://issues.apache.org/jira/browse/HADOOP-487
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.6.2
>            Reporter: Dick King
>         Assigned To: Sameer Paranjpye
>             Fix For: 0.7.0
>
>         Attachments: unknown-host.txt
>
>
> I'm trying to construct a DistributedFileSystem but I have the wrong hostname.
> It doesn't work.  It throws an exception.  Fair enough.  
> However, it throws a null pointer exception inside $Proxy0.getProtocolVersion, the code
that checks whether we have the right protocol version, rather than giving us any exception
we could understand or taking an exception in code to which we have sources so we have a way
of understanding the problem.
> -dk

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