Scenario:

There are multiple types of Employee: FullTimeEmployee, PartTimeEmployee, ...
Every Device has a owner with Employee type.

Reproduction steps:

1. Use @Any to map Device.owner and set fetch to FetchType.EAGER.
2. Retrieve a Device instance in a session.
3. Close the session.
4. Print out the owner of the device instance.

Expected result:

See the owner of the device instance.

Actual result:

org.hibernate.LazyInitializationException: could not initialize proxy com.netbase.FullTimeEmployee#1 - no Session