jdk1.8无法使用cxf

package com.rg2.webservice.impl;

import javax.xml.ws.Endpoint;

import com.rg2.webservice.HelloWorld;

public class Server {

    public static void main(String[] args) {
        System.out.println("web service start");
        HelloWorld implementor = new HelloWorldImpl();
        String address = "http://localhost/helloWorld";
        Endpoint.publish(address, implementor);//jdk实现暴露webservice接口
        System.out.println("web service started");
    }

}

package com.rg2.webservice.impl;

import javax.jws.WebService;

import com.rg2.webservice.HelloWorld;

@WebService
public class HelloWorldImpl implements HelloWorld {

    @Override
    public String say(String str) {
        return "hello"+str;
    }

}

package com.rg2.webservice;

import javax.jws.WebService;

@WebService
public interface HelloWorld {

    public String say(String str);
}