SSM 登录存session 存不进去

Question

问题遇到的现象和发生背景

SSM整合 登录

用代码块功能插入代码，请勿粘贴截图

    @Autowired
    private UserService userService;
//    登录注册
    @RequestMapping("/login")
    public ModelAndView login(HttpSession session, String username, String password){
        ModelAndView mv=new ModelAndView();
        UserInfor userInfor=userService.login(username,password);
        if (userInfor==null){
            mv.addObject("message","用户账户或密码错误");
            mv.setViewName("login");
        }else {
            session.setAttribute("SESSION_USER",userInfor);
            mv.addObject("username",userInfor);
            mv.setViewName("homapage");
        }
        return  mv;
    }

运行结果及报错内容

运行倒是没错可是我的session没存入

Answer 1

把HttpSession换成HttpServletRequest
把session.setAttribute("SESSION_USER",userInfor);
换成
request.getSession().setAttribute("SESSION_USER", userInfor);