Friends, I have spent tremendous amount of time on JAX-ws webservice implementation and here are my observations . I would like to explain things in detail. I have created class LinuxTest as shown below LinuxTest.java ----------------- /* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.seo.testlinux; import javax.jws.WebMethod; import javax.jws.WebParam; import javax.jws.WebService; /** * * @author vpilaka */ @WebService(name = "TestLINUX", portName = "LinuxPort", serviceName = "LinuxService", targetNamespace = "com.seo.testlinux") public class LinuxTest { /** * Web service operation */ @WebMethod(operationName = "execute") public String e...