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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3490) DN WebHDFS methods throw NPE if Namenode RPC address param not specified
Date Wed, 06 Jun 2012 23:13:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13290564#comment-13290564
] 

Todd Lipcon commented on HDFS-3490:
-----------------------------------

+1, looks good to me, thanks Nicholas!
                
> DN WebHDFS methods throw NPE if Namenode RPC address param not specified
> ------------------------------------------------------------------------
>
>                 Key: HDFS-3490
>                 URL: https://issues.apache.org/jira/browse/HDFS-3490
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 2.0.0-alpha
>            Reporter: Todd Lipcon
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>         Attachments: h3490_20120605.patch, h3490_20120606.patch
>
>
> Currently, there is no validation done on the NamenodeRpcAddressParam. If it is not passed
to the datanode webhdfs methods, an NPE will be generated trying to use it. We should instead
have some kind of validation on the parameter and throw a more appropriate error message when
it is missing.

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