error:JAVA_HOME not set

[Ch...@cognizant.com]

hi..

i'm new to hadoop.. i'm following the same steps given in hadoop site.

in hadoop-env.sh file

i've set JAVA_HOME=/usr/java/jdk1.6.0_07

The stand alone operation example is working..


mkdir input
$ cp conf/*.xml input
$ bin/hadoop jar hadoop-*-examples.jar grep input output 'dfs[a-z.]+' 
$ cat output/*

But in the distributed mode
after formatting new dfs using

bin/hadoop namenode -format

and when i start the daemons using the command: # bin/start-all.sh
i get this

starting namenode, logging
to /etc/hadoop_install/hadoop-0.16.4/bin/../logs/hadoop-root-namenode-
localhost.localdomain.out
localhost: starting datanode, logging
to /etc/hadoop_install/hadoop-0.16.4/bin/../logs/hadoop-root-datanode-
localhost.localdomain.out
localhost: Error: JAVA_HOME is not set.
localhost: starting secondarynamenode, logging
to /etc/hadoop_install/hadoop-0.16.4/bin/../logs/hadoop-root-
secondarynamenode-localhost.localdomain.out
localhost: Error: JAVA_HOME is not set.
starting jobtracker, logging
to /etc/hadoop_install/hadoop-0.16.4/bin/../logs/hadoop-root-jobtracker-
localhost.localdomain.out
localhost: starting tasktracker, logging
to /etc/hadoop_install/hadoop-0.16.4/bin/../logs/hadoop-root-
tasktracker-localhost.localdomain.out
localhost: Error: JAVA_HOME is not set.


What should i do..
Kindly help me regarding this issue..



Regards,
S.chandravadana





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