So, I have been trying to implement Ehcache on our CAS cluster, and it is 
mostly working. It caches tickets, and the two nodes are replicating and 
validating each other's tickets. But it still has an issue with availability. 
Here is what is happening:


1.       I open a session with a browser and authenticate with a CASified 
application,

2.       I disconnect one of the CAS servers in the cluster to simulate a 
failure,

3.       When I try to connect to another CASified application, it requires me 
to reauthenticate. If I look in the logs there is a single entry that says 
SERVICE_TICKET_NOT_CREATED.

How do I get the cluster to continue validating service tickets after a node 
has failed?

Thanks,

----------------------------------
Mark St. Laurent
Web Systems Administrator
Yavapai College
(928) 717-7654
http://www.yc.edu<http://www.yc.edu/>


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