i have found the solution : I killed all timers associated with the current bean, for instance : | //to be sure that there is not previous timer still running on JBOSS | Collection timersList = timerService.getTimers (); | for (Object timer: timersList) { | if (timer instanceof Timer) { | log.debug ("Timer still running, kill it : "+timer); | ((Timer)timer).cancel (); | } | } | thank you for your answer. Regard's. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4216480#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...