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Message-ID: <20040223150745.63256.qmail@web12704.mail.yahoo.com>
Date: Mon, 23 Feb 2004 07:07:45 -0800 (PST)
From: Anbu <flown2ski@yahoo.com>
Subject: RE: One user seeing another user's data
To: Tomcat Users List <tomcat-user@jakarta.apache.org>
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 <EED71C59BFD2E54A951915B605B04EF5758AC3@ex2000.corp.waterfield.com>
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Hello All,
 
I think that this problem (one user seeing another user's data) might be due to threadedness/concurrency of Tomcat. Ofcourse there could be problem with the JSP application too.
 
Can anyone throw some light on the possible session mixups happening with Tomcat server? I have seen the dev mailing list that such a thing happens when there are two or more tomcat server instances.
 
Thanks and Regards,
Anbu 


Kal Govindu <Kalg@waterfield.com> wrote:
We had this problem on our first JSP application. One of the things we
had to fix it was to remove all variable definitions from and
move them to .

Kal

-----Original Message-----
From: Antonio Fiol Bonnin [mailto:fiol.bonnin@terra.es]
Sent: Tuesday, February 17, 2004 2:17 AM
To: Tomcat Users List
Subject: Re: One user seeing another user's data


Hi Kuloth,

Seatch Tomcat-user for "concurrency problems" or "threading issues". 
There has been recent discussion on the topic.

Concurrency problems are the main source of session mix-up. Also look 
for "instance variables" (hint: avoid them in Servlets)

Antonio Fiol


Anbu wrote:

>Hello Bill and All,
> 
>Could any one of you throw some light on a problem that I am facing on
Apache 1.3.28/Mod-jk 1.2.0/Tomcat 4.0.6 setup?
> 
>The problem is that an user could see someother user's data (some kind
of session mix up). When I searched the tomcat-dev list I found that
Bill had replied that the problem could be related to error handling and
it is not a synchorinazation problem.
> 
>Bill, as you have already seen and analyized this issue, could you
please help me on this issue ?
>
> 
>Thank you all in advance.
> 
>Regards,
>Kuloth
> 
>


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