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Posted to common-dev@hadoop.apache.org by "Dick King (JIRA)" <ji...@apache.org> on 2006/09/22 22:57:03 UTC
[jira] Commented: (HADOOP-487) misspelt DFS host name gives null
pointer exception in getProtocolVersion
[ http://issues.apache.org/jira/browse/HADOOP-487?page=comments#action_12437001 ]
Dick King commented on HADOOP-487:
----------------------------------
The way to duplicate the problem is to change the text
<property>
<name>fs.default.name</name>
<value>kry1200.inktomisearch.com:8020</value>
<description>The name of the default file system. Either the
literal string "local" or a host:port for DFS.</description>
</property>
in hadoop-site.xml and then launch any hadoop job that doesn't override fs.default.name in its code.
-dk
> 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: 0.5.0
> Reporter: Dick King
> Assigned To: Sameer Paranjpye
>
> 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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