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From "Antonio Gallardo" <>
Subject Re: [SHOWSTOPPER?] Mixed sessions
Date Thu, 05 Dec 2002 11:13:21 GMT

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.

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.


Antonio Gallardo.

Sylvain Wallez dijo:
> Carsten Ziegeler wrote:
>>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
>  {
> XML, Java, Cocoon, OpenSource }*{ Training, Consulting, Projects }
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