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https://issues.apache.org/jira/browse/HADOOP-5687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12699809#action_12699809
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Konstantin Shvachko commented on HADOOP-5687:
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Philip,
# I think NPE related to authority = null should be handled in
{{NetUtils.createSocketAddr()}}. This is a general problem not just name-node's.
# Checking that URI has the hdfs scheme is basically an assert, otherwise this
would not be called. But if you want it, could you please
#- use {{HDFS_URI_SCHEME}} instead of {{DFS_URI_SCHEME}},
#- and place it in {{FSContants}} rather than {{DistributedFileSystem}}
> Hadoop NameNode throws NPE if fs.default.name is the default value
> ------------------------------------------------------------------
>
> Key: HADOOP-5687
> URL: https://issues.apache.org/jira/browse/HADOOP-5687
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Reporter: Philip Zeyliger
> Priority: Minor
> Attachments: HADOOP-5687.patch, HADOOP-5687.patch
>
>
> Throwing NPE is confusing; instead, an exception with a useful string
> description could be thrown instead.
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