&quot;michael.yuan(a)jboss.com&quot; wrote : I will try to put together a list of "known issues" on the book web site Please consider adding a warning about using <core:process-definitions> in a production environment. See JBSEAM-1034 and the topic Why is core:process-definitions considered a development tool?. Thanks for a great book, Arjan. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4056811#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...