code: public HttpSession getIHttpSession(HttpServletRequest _request, HttpServletResponse _response, boolean create)
    {
      return getIHttpSession(_request, _response, create, false);
    }
docs: /*
  This method called by webcontainer when app requests session. We always
  pass false as cacheOnly parm; we need to search for existing session in
  cache and persistent stores when the app requests session