有异常提示不能多次添加或删除

Question

package cn.rl.cxf;

import org.apache.cxf.jaxws.JaxWsServerFactoryBean;

/**

• Created by zxg on 2017/5/23.
  */

public class CXFServer {

public static void main(String[] args) {
    /**
     * 创建 CXF 发布对象
     */

// ServerFactoryBean serverFactoryBean = new ServerFactoryBean();

    JaxWsServerFactoryBean serverFactoryBean = new JaxWsServerFactoryBean();
    /**
     * 设置 CXF 服务端的地址
     */
    serverFactoryBean.setAddress("http://127.0.0.1:8888/hello");

    /**
     * 设置服务的类ss
     */
    serverFactoryBean.setServiceClass(PeopleService.class);
    /**
     * 设置服务类的对象
     */
    serverFactoryBean.setServiceBean(new PeopleService());

    /**
     * 发布 web service 服务
     */
    serverFactoryBean.create();

}

}

package cn.rl.cxf;

import javax.jws.WebService;

/**

• Created by zxg on 2017/5/23.
  */

@WebService(name = "PeopleService")
public class PeopleService {

public String sayHello(String name) {
    return "你好，" + name;
}

}