title: get invalid.token result at the first time run action
body: <p>I use struts 2.1.8, I use <code>&lt;s:token&gt;</code> between <code>&lt;s:form&gt; and &lt;/s:form&gt;</code></p>
  
  <p>in my struts.xml like that</p>
  
  <pre><code>............
  &lt;package name="user" namespace="/user" extends="struts-default"&gt;
  
  &lt;action name="login"class="user.UserAction"&gt;
   &lt;result type="tiles"&gt;login.view&lt;/result&gt;
  
          &lt;interceptor-ref name="token"/&gt;
          &lt;interceptor-ref name="basicStack"/&gt;  
          &lt;result name="invalid.token"&gt;/pages/error.jsp&lt;/result&gt;
  &lt;/action&gt;
  &lt;/package&gt; 
  ...............
  </code></pre>
  
  <p>at the first time, I run login.do action, I alway get error page. Plz give to me some suggestions thank in advance.</p>