Hello, anonymous wrote : 2007-01-29 17:02:10,950 INFO [org.jboss.ejb.plugins.jms.JMSContainerInvoker] Trying to reconnect to JMS provider | 2007-01-29 17:02:10,993 WARN [org.jboss.ejb.plugins.jms.JMSContainerInvoker] destination not found: queue/ExAccMDB reason: javax.naming.NameNotFoundException: queue not bound | 2007-01-29 17:02:10,993 WARN [org.jboss.ejb.plugins.jms.JMSContainerInvoker] creating a new temporary destination: queue/ExAccMDB | 2007-01-29 17:02:10,995 ERROR [org.jboss.ejb.plugins.jms.JMSContainerInvoker] Reconnect failed: JMS provider failure detected: | org.jboss.deployment.DeploymentException: Error during queue setup; - nested throwable: (javax.management.InstanceNotFoundException: jboss.mq:service=DestinationManager is not registered.) The Errors denoted that there may be problem in the JMS Queue Configuration. Check whether all the other 3 cluster nodes having the similar JMS Configurations as in the master node. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4008643#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...