1、Warning: $HADOOP_HOME is deprecated. hadoop的家目录是不推荐的

[hadoop@master ~]$ hadoop namenode -format
Warning: $HADOOP_HOME is deprecated.

14/06/28 06:01:12 INFO namenode.NameNode: STARTUP_MSG: <pre name="code" class="plain"><span style="font-family: Arial, Helvetica, sans-serif;">/************************************************************</span>

STARTUP_MSG: Starting NameNodeSTARTUP_MSG: host = master/127.0.0.1STARTUP_MSG: args = [-format]STARTUP_MSG: version = 1.2.1STARTUP_MSG: build = https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.2 -r 1503152; compiled by 'mattf'
on Mon Jul 22 15:23:09 PDT 2013STARTUP_MSG: java = 1.7.0_51************************************************************/

1、Warning: $HADOOP_HOME is deprecated. hadoop的家目录是不推荐的
http://chenzhou123520.iteye.com/blog/1826002