How can do single login with spring security on two domains?

Question

I have web application and two domains for it - example.com and example.ru

example.com - for international

example.ru - for local country

My web app usin

Answer 1

It's impossible without modifying spring security code. I did it sometimes ago but is very hard to maintenance

Cas is the easeiest way to this in java world. http://www.jasig.org/cas