Thanks Damian I did exactly as you suggested but result is same: "dataTransferScheme : null" The value is being set to null. Any suggestions? TIA Ravi View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4066782#4066782 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4066782