On 28.04.2020 18:28, AJ Chen wrote:
Thanks. Martin and Mark.
I can recreate the problem: I compare two different mobile phones. One
phone can log in and proceed. Server log shows the same session persists
(same sessionID upon different requests). The other phone can log in, but
upon next request, server log show a new session is always created (new
sessionId).
Since session tracking works on PC browser and some mobile phone, the proxy
(if any) in front of aws EC2 server should not be the problem. Anything
else may be missing?
Asking just in case :
- are the 2 phones on the same network carrier ?
- are they the same brand, or at least OS ?
- if you connect them both to the same local WiFi, do they still act
differently ?
Note : no idea if this makes any difference, but we're trying to find a reason why they
act differently when using the same Internet application server, right ?
-aj
On Tue, Apr 28, 2020 at 12:30 AM Mark Thomas <ma...@apache.org> wrote:
On 28/04/2020 07:47, Martin Grigorov wrote:
On Tue, Apr 28, 2020 at 9:11 AM AJ Chen <ajc...@web2express.org> wrote:
Anyway to fix it? thanks. -aj
First you need to investigate whether there is a proxy.
Then what kind of proxy.
Then where is its configuration.
Then consult with its manual and see whether there is something
wrong/missng.
I'd recommend taking a step back.
Guessing at what might be wrong and then trying to fix the problem you
have only guessed at is unlikely to work.
Can you recreate the problem? You can't tell if something is fixed if
you can't recreate it.
Once you recreate the problem then you can start to narrow it down. You
need to track what is happening to the session ID. You'll probably need
to add some information to the access log, possibly look at some raw
network logs and/or look at HTTP headers on the client..
Somewhere in all of the above you should find out where the session ID
is getting dropped. Then you need to figure out why. Only then you know
why this is happening can you start to think about a solution.
Mark
On Mon, Apr 27, 2020 at 10:54 PM Martin Grigorov <mgrigo...@apache.org>
wrote:
Hi,
On Tue, Apr 28, 2020 at 2:23 AM AJ Chen <ajc...@web2express.org>
wrote:
My web application using tomcat 6 can track user session (cookie by
default) for mobile and PC users in dev environment. But when deployed
on
cloud server, it fails to track session for some mobile users.
meaning,
servlet always creates a new session upon user request.
Any idea why this happens?
Most probably there is a proxy in front of Tomcat in the cloud
environment
which does not properly forward the JSESSIONID cookie.
Martin
aj
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