Any pointers????

------- installer.xml -------


Directory C:/icecore exists
Directory C:/icecore is not empty
JAVA_HOME is set to: JAVA_HOME=C:\Program Files\Java\jdk1.5.0_11
Installer exiting: JAVA_HOME is not pointing to a JDK installation. Please check the installation instructions.
Details:
JAVA_HOME is not pointing to a JDK installation. Please check the installation instructions.
while executing
"error "JAVA_HOME is not pointing to a JDK installation. Please check the installation instructions.""
(procedure "checkJDK" line 20)
invoked from within
"checkJDK"
(procedure "installSequence" line 35)
invoked from within
"installSequence"