java.lang.ClassCastException: org.jboss.ws.core.soap.SOAPMes

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I am using JBossWS with JBoss 4.2.3 with JDK 1.5 and getting the following Exception when executing a test Web Service. The Web Service is successfully deployed

04:10:39,318 ERROR [[AccountService]] Servlet.service() for servlet AccountServi
ce threw exception
java.lang.ClassCastException: org.jboss.ws.core.soap.SOAPMessageImpl
at org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS.toSOAPMessage(SOAPFaultH
elperJAXWS.java:245)
at org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS.exceptionToFaultMessage(
SOAPFaultHelperJAXWS.java:174)
at org.jboss.ws.core.jaxws.binding.SOAP11BindingJAXWS.createFaultMessage
FromException(SOAP11BindingJAXWS.java:104)
at org.jboss.ws.core.CommonSOAPBinding.bindFaultMessage(CommonSOAPBindin
g.java:671)
at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHan
dlerImpl.java:488)
at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHand
lerImpl.java:284)
at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl
.java:201)
at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(Request
HandlerImpl.java:134)
at org.jboss.wsf.stack.jbws.EndpointServlet.service(EndpointServlet.java
:84)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFi
lter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:175)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(Securit
yAssociationValve.java:182)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValv
e.java:84)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedC


Any Ideas??