ctx.load("classpath:app-context.xml");
ctx.refresh();
UsersService usersService = ctx.getBean("usersService", UsersService.class);
//validate user and return user object
Users userSession = usersService.loginCheck(request.getParameter("un"), request.getParameter("pw"));
if(userSession != null && !userSession.getId().equals("root")){
session.setAttribute("userSession", userSession);
response.sendRedirect("ClientDashServlet");
} else if (userSession != null && userSession.getId().equals("root")) {