@WebService
@HandlerChain(file = "WebService_handler.xml")
public class WSservice {

   @Resource
   private javax.xml.ws.WebServiceContext wsContext;

   @WebMethod(operationName = "Calculate")
   public ResultList сalculate(@WebParam(name = "parameter") InputParameters iparameters) throws DatatypeConfigurationException, Exception {

            javax.xml.ws.handler.MessageContext messageCntx = wsContext.getMessageContext();  --NULLPOINTER
                             ......
         }

@Override
public boolean handleMessage(SOAPMessageContext messageContext) {

    Hashtable hashTable = new Hashtable();  hashTable.put(Context.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.WLInitialContextFactory");
    hashTable.put(Context.PROVIDER_URL, url);
    appContext = new InitialContext(hashTable);
    Object obj = appContext.lookup("TestingBean");
    TestingBeanHome = (CarModelsHome)PortableRemoteObject.narrow(obj, TestingBeanHome.class);
                            ....
}