manager = new ServletManager();
contextParams = new Hashtable<String, String>();
scaListeners = new ServletContextAttributeListenerList();
scListeners = new ServletContextListenerList();
srListeners = new ServletRequestListenerList();
sessionAttributeListeners = new HttpSessionAttributeListenerList();
sessionListeners = new HttpSessionListenerList();
sraListeners = new ServletRequestAttributeListenerList();
loadListeners();
initContextParams();
loadServletClasses();