Jason,

Not sure if you saw my reply to the now somewhat out of control thread on
CFC locking, so here it is again:

I have seen a problem where a proxy cache was mixing up user's sessions so
they would actually see each other's data.  The actual mechanism was that
the proxy would return the cookie headers (to the browser) out of proxy
cache.  A
lot of the time, of course, the cached cookie would be referring to an
expired session, so it would look like a session timeout.  We developed a
mechanism for comparing the cookie sent to the browser by the server with
the cookie that the browser sends back - where they're different, there's
been a cache mixup.

We resolved this with no-cache directives.  I'm presuming you've tried that,
but it's suprisingly difficult, so it might be worth another look.  See:

http://www.bpurcell.org/blog/index.cfm?mode=entry&entry=1075
http://support.microsoft.com/kb/222064

Ultimately, though, neither browsers nor proxies are obliged to honour your
caching directives.

Jaime Metcher

> -----Original Message-----
> From: Jason Dunaway [mailto:[EMAIL PROTECTED]
> Sent: Friday, 13 April 2007 11:33 PM
> To: CF-Talk
> Subject: What conditions would cause a new jsessionid to be assigned to
> a user session?
>
>
> I know this may be a rather rookie question, but I want as much
> input as possible on this so I'm asking it anyways.
>
> We're having problems with users being timed out prematurely,
> before the 2hr time limit our client has decided upon.
> Everything has been setup in CFadministrator correctly, as 95% of
> the users are able to stay logged in for the 2hr time frame and
> have no problems.  With the small percentage of users that are
> not being able to stay logged, the timeout is random and the
> server assigns a NEW jsessionid to them.  Of course, when this
> happens all of the user info that is stored in session is lost,
> therefore they are gracefully kicked out of the site and asked to
> log in again.
>
> Anyone have any input as to what can be causing this?  Thanks!
>
> 

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