Re:struts 2 e tokens

mailreader-default.xml interceptors

<interceptors>
  <interceptor name="authentication"
               class="mailreader2.AuthenticationInterceptor"/>
  <interceptor-stack name="user" >
      <interceptor-ref name="authentication" />
      <interceptor-ref name="defaultStack"/>
  </interceptor-stack>
  <interceptor-stack name="user-submit" >
      <interceptor-ref name="token-session" />
      <interceptor-ref name="user"/>
  </interceptor-stack>
  <interceptor-stack name="guest" >
      <interceptor-ref name="defaultStack"/>
  </interceptor-stack>
</interceptors>
<default-interceptor-ref name="user"/>