Manik, Thanks for the info on LockParentForChildInsertRemove, I'm going to try that. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4104847#4104847 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4104847