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From gaston.aze...@free.fr
Subject Re: Testing
Date Thu, 27 Jul 2006 17:50:26 GMT

Thnaks for your councils, but really to obtain this information (i.e The cookie
JSESSIONID in the request is it always valid.) I mostly prefer asking it to
Tomcat than to create a probably incomplete mechanism on Apache.
(And personnally I think that adding an interface to obtain an information
already existing in a java code is much easier than recreating a mechanism in a
C project in order to obtain the same information :) )

So, I reformulate my question differently :
Do you know the name of the structure/object managing Tomcat's cookies in a
cluster? Or how does Tomcat make to know if cookie is valid?

Regard,

Thomas

Quoting Jean-frederic Clere <jfclere@gmail.com>:

> gaston.azerty@free.fr wrote:
>
> >Quoting Jean-frederic Clere <jfclere@gmail.com>:
> >
> >
> >
> >>gaston.azerty@free.fr wrote:
> >>
> >>
> >>
> >>>Hi,
> >>>
> >>>I suppose the answer to my question will be no, but I need so much that I
> >>>
> >>>
> >>prefer
> >>
> >>
> >>>to ask the question...
> >>>
> >>>Is it possible for an external program to test if a session exists on the
> >>>
> >>>
> >>server
> >>
> >>
> >>>Tomcat?
> >>>In fact, I am working on mod_jk and I would like to send a HTTP request to
> >>>Tomcat only if the cookie JSESSIONID linked to this request is a valid
> >>>
> >>>
> >>session
> >>
> >>
> >>>on Tomcat.
> >>>
> >>>
> >>>
> >>>
> >>I would do this in mod_jk (or mod_proxy): You receive the JSESSIONID
> >>from the Tomcat with the AJP response, you just have to store them.
> >>
> >>
> >>
> >
> >Yes, of course I have already considered this approach but in a context
> where
> >there are a lot of clients and severals mod_jks, I will need to synchronize
> the
> >mod_jks (The HTTP requests may be dispatched randomly on the mod_jks) then
> >provide memory to store this data and mechanisms to find the stored
> JSESSIONID
> >whereas all that already exist in Tomcat...
> >
> >
> For the memory handing have a look on the
> httpd(httpd-proxy-scoreboard)/modules/mem ;-)
> You probably have to create one slot mem per JSESSION and you need
> "controled" access.
>
> Cheers
>
> Jean-Frederic
>
> >Thank you for your answer, I wonder whether I will not take a look on the
> Tomcat
> >mechanism of replication... (Not really delighted by that :[ )
> >
> >Regards,
> >
> >Thomas
> >
> >
> >
> >>Cheers
> >>
> >>Jean-Frederic
> >>
> >>
> >>
> >>>This work has been realized in a context where we want to update the
> >>>
> >>>
> >>application
> >>
> >>
> >>>running on Tomcat (and JOnAS for the EJB server), as a result we have to
> >>>separate the clients working on the old version from the clients working
> on
> >>>
> >>>
> >>the
> >>
> >>
> >>>new one.
> >>>
> >>>Regards,
> >>>
> >>>Thomas
> >>>
> >>>
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> >>>
> >>>
> >>>
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> >
> >
> >
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> >
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>
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