title: How to check if a Session variable contain null or Not in spring mvc 3 using JSTL tag <c:if >
body: <p>Want to check that session Variable "Sess_Var" contain null or not</p>
  
  <pre><code>&lt;c:if test="${Sess_Var=='NULL'}" &gt;
   &lt;%
     response.sendRedirect("doLogin.obj");
    %&gt;     
  </code></pre>
  
  <p>But its not working,It doesnt check it</p>