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From "Ashok Varma" <varma1...@gmail.com>
Subject ERROR dfs.NameNode:
Date Sun, 05 Oct 2008 13:01:07 GMT
I have setup a multi node cluster as one machine("master" in this case)
which acts as master as well as slave and other machine("slave") as slave
I'm getting following error while executing the command:
*[hadoop@masterhadoop-0.18.0]$ bin/hadoop namenode

*[hadoop@master hadoop-0.18.0]$ bin/hadoop namenode
08/10/05 17:36:45 INFO dfs.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG:   host = master/192.168.4.104
STARTUP_MSG:   args = []
STARTUP_MSG:   version = 0.18.0
STARTUP_MSG:   build =
http://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.18 -r 686010;
compiled by 'hadoopqa' on Thu Aug 14 19:48:33 UTC 2008
************************************************************/
*08/10/05 17:36:45 ERROR dfs.NameNode: java.lang.NullPointerException*
        at
org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:130)
        at org.apache.hadoop.dfs.NameNode.getAddress(NameNode.java:116)
        at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:136)
        at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:193)
        at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:179)
        at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:830)
        at org.apache.hadoop.dfs.NameNode.main(NameNode.java:839)

08/10/05 17:36:45 INFO dfs.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at master/192.168.4.104
************************************************************/
*
*

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