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Hibernate version: Hibernate 3


Hi, we are developing a web application with Hibernate 3, Websphere and EJB 2.1 (stateless session EJB) and we have a problem with the Hibernate session.

The problem is that if we want to access a lazy relationship in the web view, we get de LazyInitializationException because the session is closed. We are using a Filter that takes care of the session and it doesn´t close it until the view is totally rendered, but it doesn´t work.


We think the reason is that CMT transaction manager closes the session automatically when a transaction finishes and when accesing the session in view to acces a lazy relationship, it has been previously closed.

Any suggestions??

As I understand you must use statefull beans and to demarcate trasactions in filter yourself (UserTransaction) to access lazy relationship in view.

Maybe that's not the best approach.

I believe I'm not the only one who thinks that the programmer should (or must!) initialize what is needed to be showed in view layer.

See sections 8.1.* in Hibernate In Action for more info.

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