Create a dynamic web project called TestWSProject File -> New -> Other... select Class, press Next package: test, Name: Person, press Finish replace code in the editor with: package test; public class Person { private String login; private int age; public Person() { this("BartSimpson", 12); } public Person(String login, int age) { this.login = login; this.age = age; } public String getLogin() { return login; } public void setLogin(String login) { this.login = login; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } } File -> New -> Other... select Class, press Next package: test.ws, Name: Echo, press Finish replace code in the editor with: package test.ws; import javax.jws.WebService; import test.Person; @WebService public class Echo { public Person echo(Person p) { return p; } public Person test() { return new Person(); } } File -> New -> Other... select Web Services -> Web Service, press Next Web service type: Bottom Up Java bean Web Service Set the slider for the web service to Deploy Service position Service implementation: test.ws.Echo Server: set to tested runtime Web Service Runtime: JBossWS Service Project: TestWSProject Service EAR Project: TestWSProjectEAR Finish the wizard - at this moment you should get the error