HttpSessionBindingListener, HttpSessionListener : Session already invalidated

[Nicolas Silberzahn <Ni...@DigitalAirways.com>]

Bonjour,

I want to do some cleanup when a session dies. I tried to use
HttpSessionBindingListener and then HttpSessionListener
In both case, my code is called AFTER the session had been invalidated:
nothing can be done with the session anymore: it seems to be useless
functionality
Does anyone knows how to get code called BEFORE the sesion dies?

Cordialement,

Nicolas Silberzahn

Digital Airways
Everywhere <Internet>Technologies</Internet>
www.DigitalAirways.com





o Google said

be aware there is a ">" at the end that belongs to the URL...
http://www.apachelabs.org/tomcat-dev/200202.mbox/<76227803D20F654BA920161144
532EB730A3E4@earth.centervilletech.com>
http://www.apachelabs.org/tomcat-dev/200202.mbox/<20020220103254.B76183-1000
00@icarus.apache.org>
http://w6.metronet.com/~wjm/tomcat/2001/Oct/msg00252.html


o Some test code:


public class MySessionListener implements HttpSessionListener {

	public void sessionCreated(HttpSessionEvent hse) {
		HttpSession session = hse.getSession();


		try {
		session.setAttribute("toto", new MyHttpSessionBindingListener());// so it
will be called when the session dies... (i don't remove it explicitly
elsewhere)
		}
		catch (Throwable e)	{
			// removed error logging here
			}


	public void sessionDestroyed(HttpSessionEvent hse) {
		HttpSession session = hse.getSession();
		ServletContext application = session.getServletContext();

		// a session. getAttribute throws an exception here: Session already
invalidated
		}

	}

class MyHttpSessionBindingListener implements HttpSessionBindingListener {

public void valueUnbound(HttpSessionBindingEvent hse) {
		HttpSession session = hse.getSession();
		ServletContext application = session.getServletContext();
		System.out.println("valueUnbound");

		Object o = session.getAttribute("Caddy"); // a session. getAttribute
throws an exception here: Session already invalidated
		// cleanup here...
	}

public void valueBound(HttpSessionBindingEvent hse) {
	}

}


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