Namenode not running
This is pretty easy - format your namenode
mcbatyuk:hadoop bam$ bin/hadoop namenode -formatWarning: $HADOOP_HOME is deprecated.12/04/11 21:04:55 INFO namenode.NameNode: STARTUP_MSG: /************************************************************STARTUP_MSG: Starting NameNodeSTARTUP_MSG: host = mcbatyuk.local/192.168.10.102STARTUP_MSG: args = [-format]STARTUP_MSG: version = 1.0.0STARTUP_MSG: build = https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r 1214675; compiled by 'hortonfo' on Thu Dec 15 16:36:35 UTC 2011************************************************************/Re-format filesystem in /Users/bam/hadoop/name ? (Y or N) YFormat aborted in /Users/bam/hadoop/name12/04/11 21:04:57 INFO namenode.NameNode: SHUTDOWN_MSG: /************************************************************SHUTDOWN_MSG: Shutting down NameNode at mcbatyuk.local/192.168.10.102************************************************************/`