Hello,

We recently upgraded our CAS server to 4.0 version. Our CAS installation is
one of the biggest in France.
In short, everything worked quite fine. Here are the changes we needed for
the migration:

 - Update some classes like Credentials, RegisteredService,
AuthenticationHandler... to match the new 4.x classes signature
 - Change the way we retrieved the authentication exception by providing
our own AuthenticationExceptionHandler
 - Update some old Spring Webflow 1.x based classes (ViewSelector)
 - Use the 4.x memcached registry

The only problem I encountered was that the memcached ticket registry was
printing a lot of warning relative to buffer overflow when encoding the
Tickets. This seems however not avoiding the CAS to function normally.

Regards,
Michaël

2014-10-31 20:53 GMT+01:00 Omer Almatary <omat...@gmail.com>:

> Team,
>
> Rutgers has started a plan to upgrade CAS to latest stable version.    We
> are currently looking at CAS 4.X.   I was wondering  if any one has
> upgraded to  CAS 4.X and how did it go?
>
> I appreciate any insight .
>
>
> Omer Almatary
> Rutgers University
>
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