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Date: Sun, 12 Feb 2012 16:50:59 +0000 (UTC)
From: "Uma Maheswara Rao G (Commented) (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-2940) HA: NullPointerException while
 formatting NameNode(After Configuring HA)
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    [ https://issues.apache.org/jira/browse/HDFS-2940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13206448#comment-13206448 ] 

Uma Maheswara Rao G commented on HDFS-2940:
-------------------------------------------

Hey Brahma, Thanks for you, for verifying HA. Not sure yours is a config issue. Let me take a look.
Mostly i may take a look tomorrow on your issue. Thanks
                
> HA: NullPointerException while formatting NameNode(After Configuring HA)
> ------------------------------------------------------------------------
>
>                 Key: HDFS-2940
>                 URL: https://issues.apache.org/jira/browse/HDFS-2940
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Brahma Reddy Battula
>            Assignee: Uma Maheswara Rao G
>            Priority: Minor
>         Attachments: core-site.xml, hdfs-site.xml
>
>
> Scenario:
> =========
> Step 1: I configured all Ha related configurations
> Step 2 : I formatted NN using (./hdfs namenode -format) format command
> Please check following Trace:
> {noformat}
> Formatting using clusterid: CID-26a49fe8-abed-4d80-b02d-eeceb86dbd53
> 12/02/12 20:57:46 ERROR namenode.NameNode: Exception in namenode join
> java.lang.NullPointerException
> 	at org.apache.hadoop.net.NetUtils.isLocalAddress(NetUtils.java:640)
> 	at org.apache.hadoop.hdfs.DFSUtil$4.match(DFSUtil.java:115)
> 	at org.apache.hadoop.hdfs.DFSUtil.getSuffixIDs(DFSUtil.java:934)
> 	at org.apache.hadoop.hdfs.DFSUtil.getNameServiceId(DFSUtil.java:890)
> 	at org.apache.hadoop.hdfs.DFSUtil.getNamenodeNameServiceId(DFSUtil.java:850)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.<init>(FSImage.java:129)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:689)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:817)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:894)
> 12/02/12 20:57:46 INFO namenode.NameNode: SHUTDOWN_MSG: 
> /************************************************************
> SHUTDOWN_MSG: Shutting down NameNode at HOST-10-18-40-20/10.18.40.20
> {noformat}

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