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Date: Fri, 14 Oct 2011 19:48:11 +0000 (UTC)
From: "Daryn Sharp (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HDFS-2358) NPE when the default filesystem's
 uri has no authority
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    [ https://issues.apache.org/jira/browse/HDFS-2358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13127803#comment-13127803 ] 

Daryn Sharp commented on HDFS-2358:
-----------------------------------

No, trunk explicitly checks for an authority so it doesn't have this problem.
                
> NPE when the default filesystem's uri has no authority
> ------------------------------------------------------
>
>                 Key: HDFS-2358
>                 URL: https://issues.apache.org/jira/browse/HDFS-2358
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.20.204.0
>            Reporter: Rajit Saha
>            Assignee: Daryn Sharp
>             Fix For: 0.20.205.0
>
>         Attachments: HDFS-2358.patch
>
>
> in core-site.xml if default filesystem's uri is misconfigured , NN does not come up and in NN shows NPE
> java.lang.NullPointerException
>         at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:142)
>         at org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:195)
>         at org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:225)
>         at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:259)
>         at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:458)
>         at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1226)
>         at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1235)
> It is better to give meaningful error messege than NPE

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