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From "Antonio Gallardo" <agalla...@agsoftware.dnsalias.com>
Subject RE: [SHOWSTOPPER?] Mixed sessions
Date Thu, 05 Dec 2002 14:29:22 GMT
Thanks Carsten. :-D

My environment is:

Server Hardware:
Pentium III aprox. 500Mhz. (I am sure this is not slower).
RAM: 384 MB
HD: 10 GB.
Please note that this server only host Cocoon nothing more. There is no
running other task or something similar process. The computer was
installed from a clear disk to run the Cocoon Application.

Server Software:
OS: Red Hat Linux 8.0 (lastest updates)
Java: J2SDK 1.4.1_01
Servelt Engine: Apache Tomcat 4.1.12
XML Framework: Cocoon 2.1. CVS from 4-Dic-2002 (aprox. 5:00 a.m. CST)
Database: PostgreSQL 7.2.2 (that comes with Red Hat Linux 8.0)

Note: We installed Gnome (GUI) to make easier the install, but the server
start in text mode (level 3). Of course we can start GUI from a user
session.

Clients use mainly MS Windows version 95/98/Me/2000/XP
also there are some clients running on Linux :-)

Client Browsers: MS IE from version 5.0 to 6.0 SP1.
Also: Some Mozilla 1.0.1, Konqueror 3.0.x and Nautilus.

As you can see this is also a fine "test" enviroment for Cocoon.

I have a meet with the users in a hour. When this will end I will post
what happened yesterday. I croos my fingers because I want Cocoon pass the
yesterday test. :-D

Best Regards,

Antonio Gallardo.

PS: I know that my english is very poor, but I am glad that you got my
message in the correct way. ;-)


Carsten Ziegeler dijo:
> Hi Antonio,
>
> if you have more information please let us now. For example which
> environment do you use (JDK, Operating System, Servlet Engine).
>
> Thanks
> Carsten
>
> Carsten Ziegeler
> Open Source Group, S&N AG
>
>
>> -----Original Message-----
>> From: Antonio Gallardo [mailto:agallardo@agsoftware.dnsalias.com]
>> Sent: Thursday, December 05, 2002 12:13 PM
>> To: cocoon-dev@xml.apache.org
>> Subject: Re: [SHOWSTOPPER?] Mixed sessions
>>
>>
>> Hi,
>>
>> Sorry, but this is not a proxy error or a bad network configuration.
>> We turned off the proxy and the problem continues. Couriously before
>> 25-Nov everything was OK. But after that date the problems with mixed
>> sessions started. We are also checking all the network environment and
>> everything is OK.
>>
>> Yesterday morning I installed the lastest CVS of Cocoon 2.1 from 7:00
>> a.m. CST.
>>
>> And because this problem take some time to start the mixing of
>> sessions. I will be sure later today if there were problems. I will
>> ask users how was yesterday and I promise I will put the feedback
>> here.
>>
>> Please, next time ask more info (if you need) about a related problem.
>> I was sended many mails alerting about that but nobody response my
>> mails. Why ignore a site with 40 users? If I will have problems with
>> few users I will dont post nothing here and will resolve the problem
>> locally.
>>
>> I think that the problem was related to the multithreading issue that
>> Carsten pointed 2 days ago. But I saw reactions until another user
>> report another diferent problem.
>>
>> I didnt sleep two days because of that problem. :-(
>>
>> By the way, I think we miss a docs about how to configure cocoon for a
>> production environment. Maybe some tips will be enough. I learned it
>> in the hard way. :-(
>>
>> As long as I know there is no info about that. I will post a doc about
>> that in wiki. I hope another people will help in this effort.
>>
>> Regards,
>>
>> Antonio Gallardo.
>>
>>
>>
>> Sylvain Wallez dijo:
>> > Carsten Ziegeler wrote:
>> >
>> >>Hi,
>> >>
>> >>we have several reports that under some cicumstances it
>> >>seems that sessions are mixed. It seems that under
>> >>heavy load a user A might get the session of user B.
>> >>Now generally I would call this a showstopper for
>> >>the 2.0.4 release.
>> >>
>> >>Unfortunately we don't have a reproducable test case
>> >>for this - does anyone have one?
>> >>Or are these problems not related to Cocoon but
>> >>to any third party components?
>> >>
>> >>I suggest that as long as the reason for this
>> >>problem is not found, we should delay the release.
>> >>
>> >>What do you think?
>> >>
>> >>
>> >
>> > I guess you're referring to the "[Authentication] - User with mixed
>> Sessions" thread on cocoon-users, right ?
>> >
>> > This problem is IMO more related to proxy configuration than to
>> Cocoon, at it seems that the proxy doesn't distinguish requests
>> having different
>> >  session cookies.
>> >
>> > So this should affect *every* servlet application and not Cocoon in
>> particular, and therefore I wouldn't consider it as a showstopper.
>> >
>> > Nevertheless, we shouldn't ignore this problem, and see if we can
>> use the cache information available in the pipeline to automatically
>> set the
>> >  "Cache-Control" header. But this can come in a future version.
>> >
>> > Sylvain
>> >
>> > --
>> > Sylvain Wallez                                  Anyware Technologies
>> http://www.apache.org/~sylvain           http://www.anyware-tech.com
>> { XML, Java, Cocoon, OpenSource }*{ Training, Consulting, Projects }
>> >
>> >
>> >
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>>
>>
>>
>>
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>
>
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