AMBARI-7305 Nimbus can not be started on CentOS5.9 (dsen)

ambari-server/src/main/resources/stacks/HDP/2.1/services/STORM/configuration/storm-env.xml

@@ -48,7 +48,7 @@
 # Set Storm specific environment variables here.
 
 # The java implementation to use.
-export JAVA_HOME={{java_home}}
+export JAVA_HOME={{java64_home}}
 
 # export STORM_CONF_DIR=""
     </value>