java.lang.NoSuchMethodException: cn.web.servlet.UserServlet.login(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
java.lang.NoSuchMethodException: cn.web.servlet.UserServlet.login(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletRespons
未找到login方法,但是代码中有,一般是方法权限的问题原因login方法改为public