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Web Service Failed to call binding provider

Posts: 8
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I have written web service example program using jboss as 7.0.2 Final profile. I want to add MAINTAIN_SESSION_PROPERTY to the client, but while casting to BindingProvider it generate the following exception
org.apache.cxf.calculator.CalculatorServiceSoapBindingStub cannot be cast to

My Web Service Code is

import javax.jws.WebService;

import org.apache.cxf.calculator.CalculatorPortType;
import org.apache.cxf.calculator.types.CalculatorFault;

@WebService(serviceName = "CalculatorService",
portName = "CalculatorPort",
targetNamespace = "",
endpointInterface = "org.apache.cxf.calculator.CalculatorPortType"
public class CalculatorImpl implements CalculatorPortType {
public int add(int number1, int number2) throws AddNumbersFault {
if (number1 < 0 || number2 < 0) {
CalculatorFault fault = new CalculatorFault();
fault.setMessage("Negative number cant be added!");
fault.setFaultInfo("Numbers: " + number1 + ", " + number2);
throw new AddNumbersFault("Negative number cant be added!", fault);
return number1 + number2;


and client code is

public class CalculatorWSClient {
private static final QName SERVICE_1 =
new QName("", "CalculatorService");

private static final QName PORT_1 =
new QName("", "CalculatorPort");

public static void main(String[] args) throws MalformedURLException, CalculatorFault, RemoteException, ServiceException {

String endpointAddress =

CalculatorService calcService=new CalculatorServiceLocator(endpointAddress, SERVICE_1);
CalculatorPortType port=calcService.getCalculatorPort();
System.out.println("\n\n\t-----1 Port: "+port);
BindingProvider bindingProvider=(BindingProvider)port;
Map<String,Object> rc = (Map<String,Object>)bindingProvider.getRequestContext();
System.out.println("\n\n\t-----1 Result: "+port.add(10, 20));


The generated WebServiceClient are :

Kindly help me.
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