session in distributable sys

[tony wang]

Hi,
If a session migrates from a JVM to another one in the same app context, how to implement such app and the servlets?
a- <distributable/> in web.xml
b- implements HttpSessionActivationListener to servlets and declared in web.xml <listener>
c- anything else
What about HttpSessionAttributeListener, HttpSessionBindingListener?

[Mark Spritzler]

What about HttpSessionAttributeListener, HttpSessionBindingListener?

If I remember correctly, and Satya will correct me if I'm wrong, but It stated in the Specs, that when Sessions migrate servers, that you cannot guarantee which JVM those listeners will fire. More to the point, it stated that the Listener may fire from a different JVM then where you are.
I think that that is important when you want listeners in a distributed environment.
Mark