On Fri Jul 20 15:23:45 CEST 2007 Tomcat Users List <users@(protected):
>
>
> Christopher Schultz-2 wrote:
> >
> > So, multiple simultaneous AJAX requests are considered illegal?
> >
>
> Exactly. All requests that modify the session state will be synchronized.
>
>
> Christopher Schultz-2 wrote:
> >
> > I would also recommend vetoing the /second/ request, rather than
> > canceling the first request when a second one comes in.
> >
>
> Well, once the requests are synchronized, I'd like to give users an ability
> to change their mind and not wait until the first request finishes. That is
> the main justification for interrupting threads. It will allow for a more
> responsive interaction with the UI. There is an article with a good example
> of request synchronization:
> http://www.onjava.com/pub/a/onjava/2004/03/24/loadcontrol.html.
>
> Hope it's clear now why I'm asking about interrupting threads - vetoing the
> second request would make the user wait for the first one to complete.
>
The requests aren't synchronized.
Only updating the session is synchronized.
So, you can make multiple ajax requests to servlets if the browser supports it.

Ronald.