public void doFilter(ServletRequest req, ServletResponse resp,
			FilterChain chain) throws IOException, ServletException {

		HttpServletRequest request = (HttpServletRequest) req;
		HttpServletResponse response = (HttpServletResponse) resp; 
		
		if(request.getSession().getAttribute("USER_NAME") != null){
			
		}
		
		System.out.println(request.getRequestURI());
		chain.doFilter(request, response);

	}