Hi,

I want to add a king of policy filter between first CAS entry point and my 
authentication handler in order to add some logic such as:
- when there have been >3 authentication failures, instead of showing again the 
login screen, forward (or redirect) to a warning page.

In the future I want to be able of adding more policies to adapt the behaviour.

For this reason, I have tried to do it with a Spring interceptor (postHandle 
method) and with a custom filter that can be completed with more policies just 
modifying the xml code(beans or filters) but I always get :

java.lang.IllegalStateException: Response already committed

??Which should be the way to go to the warning page in the 4th failure?

Thank you in advance.
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