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:
[EMAIL PROTECTED] bin/hadoop namenode[EMAIL PROTECTED] 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 ************************************************************/ * *
