anonymous wrote : 1. Start JBoss after making the above changes in scheduler-service.xml and start JBoss, it will give the same error. | 2. Deploy the jar file, the deployment will be successfull but the Scheduler is not invoked. Do you mean that you are deploying the jar after the scheduler has started? When you are starting the server, is the jar as well as the scheduler-service.xml present in the deploy folder? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4145404#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...