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