I've just had a similar issue with Timer and EJB injection, at application redeploy / server restart. Direct JNDI lookup didn't work out as well. What I did is a partial workaround - I switched to timer start thru MBean in sar module and I do reset all the timers in MBean stop() method. This way I don't get any perstent timers kept but there's no any classloader / "Could not dereference object" errors at new timers creation. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4266587#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...