@Override public void afterPropertiesSet() throws ServletException { super.afterPropertiesSet(); if (log.isTraceEnabled()) { log.trace("afterPropertiesSet()"); } sessionPersistenceListeners = new ArrayList<SessionPersistenceListener>(); // scan the application context for SessionPersistenceListeners Map beans = applicationContext.getBeansOfType(SessionPersistenceListener.class); for (Object beanName : beans.keySet().toArray()) { sessionPersistenceListeners.add((SessionPersistenceListener) beans.get(beanName)); if (log.isTraceEnabled()) { log.trace("added listener: " + beanName.toString()); } } }