On 3 Jun 2010, at 11:28, Simon wrote:
hi all -
we've got a session time-out issue that is affecting just 1
specific client. all other users of the app are happy - it's just
not working for this one company.
basically, as users form this one company click around the app they
randomly get instant session time-out's. no browser hanging -
instant back to login page. we are not seeing any instance failures
- the original instance the user was talking to is just sitting
there happily waiting for requests.
as the time out is instantaneous i thought maybe it's just that
monitor for some reason is randomly reporting that the instance
they are talking to is no longer there. but i'm suspicious of the
fact that only one specific client is affected.
i'm wondering if it's something to do the connectivity between the
client and the apps (yes, yes, i'm clutching at straws, i know!)
but can't think of any logical reason how or why it would affect
things. the only thing remotely strange about the client's set up
is that all the users internet traffic (users are in the UK) is
routed through their parent companies proxy in munich. is there any
possibility that the requests are somehow getting mangled by the
proxy ?
any hints appreciated!
thanks, simon
I've seen something very much like this in the past. Web clients
behind a stupidly-aggressive proxy cache server, which cached the
login page, and the HTML of the page as cached referred to a session
that no longer exists -- or cached an "id/password not recognised"
response, which any user would subsequently receive from cache
whether they provided valid credentials or not. Adding HTTP headers
to responses to hint "do no cache this" to the the proxy did not
help. In the end we used mod_rewrite to redirect all requests
received from HTTP to HTTPS.
---
Regards Patrick
OneStep Solutions (Research) LLP
www.onestep.co.uk
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