Thanks for all your suggestions!
So, I think I have following questions before I can solve my problem.
How can I do these in Servlet session?
1. OnInvalidate Event
(so I can set the flag "off" to let another user login, even the current
user simply closed his browser without logout)
or
2. get/peek the session IDs of other sessions
(so if another user(seesion) is active, this user (session) will be
disallowed.)
Thanks!
Xizhen Wang wrote:
>
> Hi all!
>
> Is it possible to disallow multiple users logging in and running Java
> Servlets at the same time? I want to disallow access to my Java Servlets
> if another user has already logged on. Can I use session tracking to
> prevent this from happening - ie force other users to wait and log in
> again once the first user has logged out/closed his browser?
>
> Thanks!
> Xizhen
>
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