Establishing a hibernate session in a wicket application is done by means of the OpenSessionInViewFilter class, which binds a Hibernate Session to the thread for the entire processing of the request. You’ll find plenty of references by googling for Wicket and Hibernate. If you need background jobs to be executed, Quartz is a fantastic library, providing scheduling with cron syntax. Quartz is trivial to integrate into your application (whether with Spring or without), but we had a hard time to figure out how to handle Hibernate sessions correctly. When you want to use one of your DAOs in a Quartz Job you are very likely to hit a “Session is closed!” exception from Hibernate. The reason for this is that[…]