OCM Configuration failed due to JAVA_HOME does not contain java

OCM Configuration failed due to "JAVA_HOME does not contain java"

[oracle@racn1 ~]$ $ORACLE_HOME/OPatch/ocm/bin/emocmrsp -no_banner -output /u01/Stage/patch/ocm.rsp
JAVA_HOME does not contain java.
JAVA_HOME does not contain a valid JDK/JRE.
Redefine JAVA_HOME to refer to a JDK/JRE 1.2.2 or greater.
[oracle@racn1 ~]$ export JAVA_HOME=/u01/app/oracle/product/11.2.4/db_1/jdk
[oracle@racn1 ~]$ $ORACLE_HOME/OPatch/ocm/bin/emocmrsp -no_banner -output /u01/Stage/patch/ocm.rsp
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The OCM configuration response file (/u01/Stage/patch/ocm.rsp) was successfully created.
[oracle@racn1 ~]$