title: tomcat7 and EL in a jsp page; pageContext.request.contextPath empty?
body: <p>My JSP page contains:</p>
  
  <pre><code>&lt;script&gt;
      var bt_wd40_appurl = "${pageContext.request.contextPath}";
  &lt;/script&gt;
  </code></pre>
  
  <p>view/source shows "" for the value. No errors I've found so far.</p>
  
  <p>my web.xml specifies version 2.5.</p>