----- Original Message ----- 
From: "Stefano Maestri" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, June 06, 2003 10:44 AM
Subject: Re: [JBoss-user] http session clustering


> Thanks, it works.
> just a suggestion add this on your very good "JBoss Clustering" docs.
> And another thing: I read in jbossbook3.2.1 draft docs in chapter "Using
> Clustering with Tomcat" this phrase:
> "If you are using a load balancer, make sure that your setup uses sticky
> session".
> I'm agree that's better to use it to reduce the overload on JBoss, but it
is
> not necessary. Isn't it?
> BTW we are using since 2 year LVS (LinuxVirtualServer) as load balancer
with
> JBoss, are you interested in my experience to integrate something about
LVS
> in your docs exactly as you did for apache?


At least I am! I am trying to get that setup working correctly for an
entreprise app for over a year now..
This is my unversisty final work, and it has been delayed forever as I'm
being unable to locate all the changes I need to do to get my app with
fault-tolerance features...
Every time I need to recover sessions (in particular http session) I have a
really hard time 'till I find out where all those exceptions come from...
I think the problem lies deep inside the app I'm using: It uses some objects
kept inside the http session that are not serializable and therefore there
is a need to recover them in a application level..
In particular, I also setup a LVS with LVS-DR (I once had it with LVS-NAT)
and in the end I had to enable persistence so that each user session sticks
with a single server...
So, if you had some approach for the problems found during the cluster
setup, I would love to hear it...



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