求助为什么在别的电脑里可以正常运行到我的电脑上就错误代码404

package com.action;

import java.io.IOException;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;
import org.springframework.web.bind.annotation.RequestMapping;

import com.model.Rooms;
import com.model.User;
import com.model.User;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import com.service.UserService;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

public class UserAction extends ActionSupport implements ModelDriven {

 private static final long serialVersionUID = 1L;

 private UserService userService;
 private User user = new User();

 public UserService getUserService() {
  return userService;
 }

 public void setUserService(UserService userService) {
  this.userService = userService;
 }

 @Override
 public User getModel() {
  return user;
 }

 public String login() {
  try {
   HttpServletRequest request = ServletActionContext.getRequest();
   User u = userService.login(user.getUserName(), user.getUserPassWord());
   if (u != null) {
    if (u.getState() == 1) {
     request.getSession().setAttribute("sessionUser", u);
     if (u.getType() == 0) {
      // 管理员
      return "admin";
     } else {
      return "user";
     }
    } else {
     request.setAttribute("message", "");
     return "loginError";
    }
   } else {
    request.getSession().removeAttribute("sessionUser");
    request.setAttribute("message", "");
    return "loginError";
   }
  } catch (Exception e) {
   // TODO: handle exception
  }
  return "";
 }

 public String getUserList() {
  HttpServletRequest request = ServletActionContext.getRequest();
  user.setPhone(user.getUserName());// 根据会员名跟手机号模糊查询
  List list = userService.getUserList(user.getUserName(), user.getPhone());
  request.setAttribute("userList", list);
  return "userList";
 }

 public String getUserDetails() {
  HttpServletRequest request = ServletActionContext.getRequest();
  User u = userService.getUserById(user.getId());
  request.setAttribute("userInfo", u);
  return "userInfo";
 }

 public String getUserByPhoneAjax() {
  try {
   HttpServletResponse response = (HttpServletResponse) ActionContext.getContext()
     .get(ServletActionContext.HTTP_RESPONSE);
   User u = userService.getUserByPhone(user.getPhone());
   JSONObject jsonObject = JSONObject.fromObject(u);
   response.setCharacterEncoding("UTF-8");
   response.getWriter().write(jsonObject.toString());
  } catch (Exception e) {
   // TODO: handle exception
  }
  return NONE;
 }

 public String editUser() {
  try {
   HttpServletRequest request = ServletActionContext.getRequest();
   if (userService.updUser(user)) {
    request.getSession().removeAttribute("sessionUser");
    request.setAttribute("msg", "");
    return NONE;
   }
  } catch (Exception e) {
   // TODO: handle exception
  }
  return INPUT;
 }

 public String checkUserName() {
  try {
   HttpServletResponse response = (HttpServletResponse) ActionContext.getContext()
     .get(ServletActionContext.HTTP_RESPONSE);
   if (userService.checkUserName(user.getUserName()) != null) {
    response.getWriter().write("right");
   } else {
    response.getWriter().write("error");
   }
  } catch (IOException e) {
   e.printStackTrace();
  }
  return NONE;
 }

 public String checkPhone() {
  try {
   HttpServletResponse response = (HttpServletResponse) ActionContext.getContext()
     .get(ServletActionContext.HTTP_RESPONSE);
   if (userService.checkPhone(user.getPhone()) != null) {
    response.getWriter().write("right");
   } else {
    response.getWriter().write("error");
   }
  } catch (IOException e) {
   e.printStackTrace();
  }
  return NONE;
 }

 public String regUser() throws IOException {
  user.setType(1);
  user.setState(1);
  if (userService.createUser(user)) {
   return "regOK";
  }
  return INPUT;
 }

 public String createUser() {
  user.setType(1);
  user.setState(1);
  user.setJf(0);
  user.setUserLevel(0);
  user.setUserPassWord("");
  if (userService.createUser(user)) {
   return "createOK";
  }
  return INPUT;
 }

 public String logOut() {
  try {
   HttpServletRequest request = ServletActionContext.getRequest();
   request.getSession().removeAttribute("sessionUser");
   return "logOut";
  } catch (Exception e) {
   // TODO: handle exception
  }
  return INPUT;
 }

 public String updUserTypeState() {
  try {
   HttpServletRequest request = ServletActionContext.getRequest();
   if (userService.updUserTypeState(user)) {
    request.setAttribute("msg", "");
    return "updUserOK";
   }
  } catch (Exception e) {
   // TODO: handle exception
  }
  return INPUT;

 }

}

这个是我的代码