Hibernate version: 3.0

Before with hibernate2 we could access sets of an object after loading that object whether lazy was true or false for the set.
But with hibernate3.0, sets are null either with lazy=true or false

//here my set is empty????

here the set definition in mapping:

Do you really have pay instead of payment in your 2nd line of code? Shouldn't have worked in any Hibernate version.

Sorry I misspelled pay and payment.
pay=(Payments)session.get(Payments.class, paymentid);

I solved my problem.
In my method that I was creating the payment, after save I wanted to retrieve the check sets. But because both of save and retrieve are in one transaction, sets were not created yet. Either I had to retrieve my sets in another session, or get checks with query.