IConnection object, it informs the IConnection object's ExceptionEventHandler, if one has been registered. It does this by calling the listener's method, passing it a MessageException argument describing the problem. An exception listener allows a client to be notified of a problem asynchronously. Some connections only consume messages, so they would have no other way to learn that their connection has failed.
IConnection object that provides feedback regarding exception condition 
            ExceptionEventArgs generated by JMS
            Namespace: WebLogic.Messaging
Assembly: WebLogic.Messaging (in WebLogic.Messaging.dll)
WebLogic.Messaging Namespace | Exception