Struts2 删除后直接直接到List显示页面

package com.sun;

import java.util.List;
import java.util.Map;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

import com.denglu.domain.User;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class TestAction extends ActionSupport{
	private Map request;
	public Configuration config;
	public SessionFactory  sessionfactory;
	public Session session;
	public Transaction ts;
	private User user;
	public TestAction(){
		 config = new Configuration();
		 sessionfactory = config.configure("hibernate.cfg.xml").buildSessionFactory();
		 session = sessionfactory.openSession();
	}
	public String List(){
		//User uu = new User();
		List uu = (List) session.createQuery("from User").list();
		System.out.println("lalalal ");
		
		for(int i =0;i<uu.size();i++){
			User user = (User) uu.get(i);
			System.out.println(user.getName() + user.getPwd());
		}
		request = (Map) ActionContext.getContext().get("request");
		request.put("user", uu);
		session.close();
		return "sucess";
	}
	public String Del(){
		 ts = session.beginTransaction();
		User u=(User) session.load(User.class,4);
		session.delete(u);
		ts.commit();
		return "sucess";
	}

}