A ContainerServlet is a servlet that has access to Catalina
internal functionality, and is loaded from the Catalina class loader
instead of the web application class loader. The property setter
methods must be called by the container whenever a new instance of
this servlet is put into service.
author: Craig R. McClanahan version: $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $