I found a bug in JpdlParser.parseTimerDefinition(). You never check if the dueDateTime is in the Future. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259185#4259185 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259185