The client code: Create a new java project WSClient. Animal.java and Human.java are copied from server part. package com.ybxiang.ejbws; import javax.xml.bind.annotation.XmlSeeAlso; @XmlSeeAlso({Human.class}) public class Animal implements java.io.Serializable{ private String name; private Long age; public String getName() { return name; } public void setName(String name) { this.name = name; } public Long getAge() { return age; } public void setAge(Long age) { this.age = age; } public String toString(){ return "Animal-->name:"+this.getName()+",age:"+this.getAge(); } } ----------------------------------- package com.ybxiang.ejbws; public class Human extends Animal implements java.io.Serializable{ private String email; public void setEmail(String email) { this.email = email; } public String getEmail() { return email; } public String toString(){ return "Human-->name:"+this.getName()+",age:"+this.getAge()+","+"email:"+email; } } ----------------------------------- /** * EJBWebServiceBean.java * * This file was auto-generated from WSDL * by the Apache Axis 1.4 Apr 22, 2006 (06:55:48 PDT) WSDL2Java emitter. */ package com.ybxiang.ejbws; import javax.jws.WebMethod; import javax.jws.WebService; @WebService public interface EJBWebServiceBean extends java.rmi.Remote { @WebMethod public void passParameter1(java.lang.String arg0) throws java.rmi.RemoteException; @WebMethod public void passParameter2(com.ybxiang.ejbws.Animal arg0) throws java.rmi.RemoteException; @WebMethod public void passParameter3(com.ybxiang.ejbws.Human arg0) throws java.rmi.RemoteException; @WebMethod public void passParameter4(com.ybxiang.ejbws.Animal[] arg0) throws java.rmi.RemoteException; @WebMethod public com.ybxiang.ejbws.Animal[] returnSomething1(int arg0) throws java.rmi.RemoteException; } ================test=============== package com.ybxiang.ejbws; import java.net.URL; import javax.xml.namespace.QName; import javax.xml.ws.Service; public class TestMain { public static void main(String []args){ try { URL location = new URL("http://127.0.0.1:8080/PolymorphismEJBWebService/EJBWebServiceBean?wsdl"); QName serviceName = new QName("http://ejbws.ybxiang.com/","EJBWebServiceBeanServic...; Service service = Service.create(location, serviceName); //service.setHandlerResolver(new EmsHandlerResolver()); QName port = new QName("http://ejbws.ybxiang.com/","EJBWebServiceBeanPort&q...; EJBWebServiceBean ejbWebServiceBean = service.getPort(port, EJBWebServiceBean.class); Animal a1 = new Animal(); a1.setName("Animal.1"); a1.setAge(new Long(1)); // Animal a2 = new Animal(); a2.setName("Animal.2"); a2.setAge(new Long(2)); // Human h = new Human(); h.setName("Human.1"); h.setAge(new Long(1)); h.setEmail("human1(a)gmail.com"); System.out.println("===================testing==========================="); System.out.println("test:ejbWebServiceBean.passParameter1(\"Test string\");"); ejbWebServiceBean.passParameter1("Test string"); System.out.println("test:ejbWebServiceBean.passParameter2(a1);"); ejbWebServiceBean.passParameter2(a1); System.out.println("test:ejbWebServiceBean.passParameter2(h);"); ejbWebServiceBean.passParameter2(h); System.out.println("test:ejbWebServiceBean.passParameter3(h);"); ejbWebServiceBean.passParameter3(h); // Animal aa[] = new Animal[]{a1,a2}; System.out.println("test:ejbWebServiceBean.passParameter4(aa);"); ejbWebServiceBean.passParameter4(aa); // Human hh[] = new Human[]{h}; System.out.println("test:ejbWebServiceBean.passParameter4(hh);"); ejbWebServiceBean.passParameter4(hh); // System.out.println("---------------[animal]------------------"); Animal[] returnedValue1 = ejbWebServiceBean.returnSomething1(1); System.out.println("------------returnedValue1:"); for(Animal item:returnedValue1){ System.out.println(" *** item:"+item); } System.out.println("---------------[human]------------------"); Animal[] returnedValue2 = ejbWebServiceBean.returnSomething1(2); System.out.println("------------returnedValue2:"); for(Animal item:returnedValue2){ System.out.println(" *** item:"+item); } } catch (Exception e) { e.printStackTrace(); } } } View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4263893#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...