protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
String message = request.getParameter("message");
Facebook facebook = (Facebook) request.getSession().getAttribute("facebook");
try {
facebook.postStatusMessage(message);
} catch (FacebookException e) {
throw new ServletException(e);
}
response.sendRedirect(request.getContextPath()+ "/");
}