The current Portal integration with CAS server uses an MBean based approach for integrating the services.
Hence, at this point, you will need to run the CAS server on the same JBoss server.
This will be enhanced in the future to use a web service approach so that location of the services don't matter.
I am assuming your integration works fine when running inside the same JBoss server?
You are right. When I am running Portal and CAS-Webserver on same JBoss everything is fine. Now I have tried to run Portal clustered. So I set up a second JBoss server and configured both Portal deployments to run in cluster (in fact i downloaded the ha version ;-) ).
One of the JBoss runs the CAS-Webserver. I got the Problem when I tried to get the second Portal to use the CAS-Webserver on the first JBoss (how confusing, but I think you got what I mean).
I will look forward to that upgrade you mentioned.