I have a success pratice for cluster cas!
I use F5 as balancer,and share ticket by jpa, use oralce10g not mysql5.
My reference the same as you.
 https://wiki.jasig.org/display/CASUM/Clustering+CAS





2010/11/3 Jacquet, Frederic <[email protected]>

> Hello
>
> Servers are behind load balancer too yes.  Is there an indication about
> <<client>> specific setup ?
>
> Regards
> Fred
>
>
> -----Original Message-----
> From: Marvin Addison [mailto:[email protected]]
> Sent: mardi 2 novembre 2010 13:24
> To: [email protected]
> Subject: Re: [cas-user] Clustering CAS
>
> > I am trying to build a cluster cas using
> https://wiki.jasig.org/display/CASUM/Clustering+CAS and our Cisco HW
> loadbalancer.
> > My issue is that I am not sure if it relevant or if it is conflicting
> with https://wiki.jasig.org/display/CASUM/JpaTicketRegistry to store
> ticket.
>
> Those two wiki pages are somewhat in conflict, yes.  While the
> Clustering CAS page provides complete application and system-level
> instructions, it assumes the use of JBoss Cache for ticket storage.
> Actually, you can choose any ticket registry that supports clustering:
>
>  - Database (JpaTicketRegistry)
>  - Memcached
>  - JBoss Cache
>
> > 2010-11-02 09:26:06,608 INFO
> > [org.jasig.cas.CentralAuthenticationServiceImpl] - <Granted service
> > ticket [ST-1-YMBXIlQMAn5QKXGFNnJv-idp02] for service
> > [http://content.imd.ch/moodle/login/index.php] for user [moncef]>
> >
> > 2010-11-02 09:26:11,561 INFO
> > [org.jasig.cas.CentralAuthenticationServiceImpl] - <Granted service
> > ticket [ST-2-gLyRcO9TQbfVgBQgPY5o-idp02] for service
> > [http://content.imd.ch/moodle/login/index.php] for user [moncef]>
>
> Granting multiple tickets on the same TGT can sometimes be a sign of
> client configuration problems.  Are your clients also behind a load
> balancer?  You'll need to take additional steps to accommodate clustered
> clients.
>
> M
>
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