Jetspeed with an Object Oriented DB for managing users and roles.

Hi, Does anybody use jetspeed authentication and authoritation with an objet oriented dababase instead of one of the given implementations form relational databases? Any hint on how to write and plug the suitable services UserManagement, RoleManagement...? Thanks. Saludos.

Book/extensive documentation on Jetspeed wanted

Hi, friends: Does anybody know about a good book on creating portals with Jetspeed? I have just read the tutorial from its home page, and, though a good starting point, I need more... Thnx. Jesús María