title: How to redirect to jsp login page, if user does not logged in already, Java servlet?
body: <p>I have wrote an web application using JSP in eclipse. It has login page and other pages. After i deployed and trying to access the other pages, i am able to access without login using login page. So i want to redirect to login page whenever user trying to access other pages url before logged in through login page already. How to do that? If anyone help me on this one will be appreciated.</p>
  
  <p>Thanks</p>