I compiled those code and run in eclipse: run as --> run on server[jboss 5.1] Now, i can see that the web service is deployed successfully and i can visit http://127.0.0.1:8080/PolymorphismEJBWebService/EJBWebServiceBean?wsdl I got the wsdl: - <definitions name="EJBWebServiceBeanService" targetNamespace="http://ejbws.ybxiang.com/" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://ejbws.ybxiang.com/" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> - - <xs:schema targetNamespace="http://ejbws.ybxiang.com/" version="1.0" xmlns:tns="http://ejbws.ybxiang.com/" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:element name="passParameter1" type="tns:passParameter1" /> <xs:element name="passParameter1Response" type="tns:passParameter1Response" /> <xs:element name="passParameter2" type="tns:passParameter2" /> <xs:element name="passParameter2Response" type="tns:passParameter2Response" /> <xs:element name="passParameter3" type="tns:passParameter3" /> <xs:element name="passParameter3Response" type="tns:passParameter3Response" /> <xs:element name="passParameter4" type="tns:passParameter4" /> <xs:element name="passParameter4Response" type="tns:passParameter4Response" /> <xs:element name="returnSomething1" type="tns:returnSomething1" /> <xs:element name="returnSomething1Response" type="tns:returnSomething1Response" /> - <xs:complexType name="passParameter1"> - <xs:sequence> <xs:element minOccurs="0" name="arg0" type="xs:string" /> </xs:sequence> </xs:complexType> - <xs:complexType name="passParameter1Response"> <xs:sequence /> </xs:complexType> - <xs:complexType name="passParameter2"> - <xs:sequence> <xs:element minOccurs="0" name="arg0" type="tns:animal" /> </xs:sequence> </xs:complexType> - <xs:complexType name="animal"> - <xs:sequence> <xs:element minOccurs="0" name="age" type="xs:long" /> <xs:element minOccurs="0" name="name" type="xs:string" /> </xs:sequence> </xs:complexType> - <xs:complexType name="human"> - <xs:complexContent> - <xs:extension base="tns:animal"> - <xs:sequence> <xs:element minOccurs="0" name="email" type="xs:string" /> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> - <xs:complexType name="passParameter2Response"> <xs:sequence /> </xs:complexType> - <xs:complexType name="passParameter3"> - <xs:sequence> <xs:element minOccurs="0" name="arg0" type="tns:human" /> </xs:sequence> </xs:complexType> - <xs:complexType name="passParameter3Response"> <xs:sequence /> </xs:complexType> - <xs:complexType name="passParameter4"> - <xs:sequence> <xs:element maxOccurs="unbounded" minOccurs="0" name="arg0" type="tns:animal" /> </xs:sequence> </xs:complexType> - <xs:complexType name="passParameter4Response"> <xs:sequence /> </xs:complexType> - <xs:complexType name="returnSomething1"> - <xs:sequence> <xs:element name="arg0" type="xs:int" /> </xs:sequence> </xs:complexType> - <xs:complexType name="returnSomething1Response"> - <xs:sequence> <xs:element maxOccurs="unbounded" minOccurs="0" name="return" type="tns:animal" /> </xs:sequence> </xs:complexType> </xs:schema> - - - - - - - - - - - - - - - - - <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" /> - <soap:operation soapAction="" /> - <soap:body use="literal" /> - <soap:body use="literal" /> - <soap:operation soapAction="" /> - <soap:body use="literal" /> - <soap:body use="literal" /> - <soap:operation soapAction="" /> - <soap:body use="literal" /> - <soap:body use="literal" /> - <soap:operation soapAction="" /> - <soap:body use="literal" /> - <soap:body use="literal" /> - <soap:operation soapAction="" /> - <soap:body use="literal" /> - <soap:body use="literal" /> - - <soap:address location="http://127.0.0.1:8080/PolymorphismEJBWebService/EJBWebServiceBean" /> View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4263891#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...