title: Upgrading from Tomcat 6.0.18 gives new Exception
body: <p>After upgrading from <code>Tomcat 6.0.18</code> to <code>Tomcat 6.0.36</code> I get some exceptions concerning a few JSP in my project.</p>
  
  <p>Did they change the way Tomcat handles JSP ?</p>
  
  <pre><code>javax.el.ELException: Cannot convert PLA of type class java.lang.String to class java.lang.Long
  </code></pre>