Warn the user before session timeout

Question

I have a web application implemented in Spring MVC, JSP.
Default session timeout is defined in web.xml is 30 min.

if use

Answer 1

You can use like follows: I am using that in a jsp page like header.jsp. It works fine for me. I am using spring, jsp and jquery.

javascript:

HTML Div:

  

    Your session will be timeout within 30 seconds. Do you want to continue session?