Hi, i am new to webservice. I tried to create a web service with a single method & called from client. It works fine. But when I add one more webservice method & called the first method from the client. The call goes to server works till the return but while returning, it throws the below error. Please help me on this. WS Code is : @Stateless() @WebService() public class REFactory { /** * Web service operation */ @WebMethod public String display(@WebParam(name = "s") String s) { // TODO implement operation System.out.println("In method 1 :::: "+s); return "From method 1"; } /** * Web service operation */ @WebMethod public String createSession(@WebParam(name = "vo") Object vo) { System.out.println("In method 2 ..........."); return "From method 2"; } } Error is : 18:02:26,791 ERROR [SOAPFaultExceptionHelper] SOAP request exception javax.xml.rpc.JAXRPCException: Cannot create or send response message at org.jboss.ws.server.ServiceEndpoint.postProcessResponse(ServiceEndpoint.java:311) at org.jboss.ws.server.ServiceEndpoint.handleRequest(ServiceEndpoint.java:236) at org.jboss.ws.server.ServiceEndpointServlet.doPost(ServiceEndpointServlet.java:120) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) Caused by: org.jboss.xb.binding.JBossXBRuntimeException: Neither getter nor field where found for defaultAssertionStatus in class java.lang.ClassLoader at org.jboss.xb.binding.MappingObjectModelProvider$FieldToElementMapping.(MappingObjectModelProvider.java:368) at org.jboss.xb.binding.MappingObjectModelProvider.mapFieldToElement(MappingObjectModelProvider.java:71) at org.jboss.ws.jaxb.JAXBMarshallerImpl.marshal(JAXBMarshallerImpl.java:149) at org.jboss.ws.jaxrpc.encoding.JAXBSerializer.serialize(JAXBSerializer.java:100) at org.jboss.ws.soap.SOAPContentElement.getXMLFragment(SOAPContentElement.java:172) at org.jboss.ws.soap.SOAPContentElement.expandToDOM(SOAPContentElement.java:844) at org.jboss.ws.soap.SOAPContentElement.getChildNodes(SOAPContentElement.java:761) at org.jboss.util.xml.DOMWriter.printInternal(DOMWriter.java:211) at org.jboss.util.xml.DOMWriter.printInternal(DOMWriter.java:270) at org.jboss.util.xml.DOMWriter.printInternal(DOMWriter.java:270) at org.jboss.util.xml.DOMWriter.print(DOMWriter.java:186) at org.jboss.util.xml.DOMWriter.printNode(DOMWriter.java:135) at org.jboss.ws.server.ServiceEndpoint.postProcessResponse(ServiceEndpoint.java:305) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4106718#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...