is to session.setAttribute(null,"sessionname");

Thank you

Hello , I created link to admin/admin.jsp

I want to create a link to index.jsp in admin page
Mysite___
|___index.jsp
|___admin/
...

can you give an example?

public class logout extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
process(request,response);...