Most of the settings in this file are left as is, but an optional one that you may wish to add is

   <session-config>
      <session-timeout>600</session-timeout> 
   </session-config>

in the area around the handling of WikiSessions.

This will have the effect of extending the session time out for log in (in the application server) from 30 minutes to 600 minutes (10 hours).