Hello, Does drool 5.0 has backward compatiblity with drool 2.1 version? Thanks in Advance, Asutosh View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4177637#4177637 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4177637