Servlet Life-Cycle Events -Quick Reference

Servlet Life-Cycle Events

Object	Event	Listener Interface and Event Class
Web context (see Accessing the Web Context)	Initialization and destruction	javax.servlet.ServletContextListener and ServletContextEvent
	Attribute added, removed, or replaced	javax.servlet.ServletContextAttributeListener and ServletContextAttributeEvent
Session (See Maintaining Client State)	Creation, invalidation, activation, passivation, and timeout	javax.servlet.http.HttpSessionListener, javax.servlet.http.HttpSessionActivationListener, and HttpSessionEvent
	Attribute added, removed, or replaced	javax.servlet.http.HttpSessionAttributeListener and HttpSessionBindingEvent
Request	A servlet request has started being processed by web components	javax.servlet.ServletRequestListener and ServletRequestEvent
	Attribute added, removed, or replaced	javax.servlet.ServletRequestAttributeListener and ServletRequestAttributeEvent