The exception when the client is run is:

2011-09-21 23:04:51,288 INFO [STDOUT] (pool-51-thread-1) [<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:good="http://webservice_producer/goodbyeworld">
<soapenv:Header/>
<soapenv:Body>
<good:sayGoodbye>
<message>Goodbye!!</message>
</good:sayGoodbye>
</soapenv:Body>
</soapenv:Envelope>].
2011-09-21 23:04:51,311 ERROR [org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS] (pool-51-thread-1) SOAP request exception
java.lang.reflect.UndeclaredThrowableException
at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:248)
at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHandlerImpl.java:470)
at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:294)
at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl.java:203)
at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:129)
at org.jboss.soa.esb.actions.soap.SOAPProcessor.process(SOAPProcessor.java:212)
at org.jboss.soa.esb.listeners.message.ActionProcessingPipeline.processPipeline(ActionProcessingPipeline.java:649)
at org.jboss.soa.esb.listeners.message.ActionProcessingPipeline.processPipeline(ActionProcessingPipeline.java:603)
at org.jboss.soa.esb.listeners.message.ActionProcessingPipeline.process(ActionProcessingPipeline.java:433)
at org.jboss.soa.esb.listeners.message.MessageAwareListener$TransactionalRunner.run(MessageAwareListener.java:550)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.NoSuchMethodError: org.jboss.soa.esb.actions.soap.SOAPProcessor.getMessage()Lorg/jboss/soa/esb/message/Message;
at org.jboss.soa.esb.samples.quickstart.webserviceproducer.webservice.GoodbyeWorldWS.sayGoodbye(GoodbyeWorldWS.java:23)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.jboss.wsf.container.jboss50.invocation.InvocationHandlerJSE.invoke(InvocationHandlerJSE.java:117)
at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:241)
... 12 more
2011-09-21 23:04:51,314 INFO [STDOUT] (pool-51-thread-1) [Quickstart_webservice_producer] AFTER invoking jbossws endpoint:
2011-09-21 23:04:51,314 INFO [STDOUT] (pool-51-thread-1) [<env:Envelope xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'><env:Header></env:Header><env:Body><env:Fault xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'><faultcode>env:Server</faultcode><faultstring>java.lang.reflect.UndeclaredThrowableException</faultstring></env:Fault></env:Body></env:Envelope>].