public void list(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String pages = "../../../errors.jsp";
		try {
			request.setAttribute("all", DAOFactory.getIAdminDAOInstance()
					.findAll(""));
			pages = "admin_list.jsp";
		} catch (Exception e) {
			e.printStackTrace();
		}
		request.getRequestDispatcher(pages).forward(request, response);
	}