Is there a way of mapping the following? Let's say there's a class called 'regular.businessobjects.Product', which contains all the basic functionality for a Product to take from project to project. Now for a specific project, I want to override this class with a class of the same name in the project-specific package - so it would be 'myproject.businessobjects.Product'.

Every attempt at doing this has resulted in a message like the following:

2005-06-15 17:12:45,729 ERROR [net.sf.hibernate.cfg.Configuration] - Could not compile the mapping document
net.sf.hibernate.MappingException: duplicate import: Product

Is it not possible to map a subclass with the same name, but in a different package?

This is with Hibernate 2.1.8.

I should point out that this is using the table-per-class-hierarchy mapping strategy. Not tried joined-subclass.

look at the docs for auto-import. By default, hibernate sets this to true and allows you to use short (Class-only) names throughout. However, in your case, since this would cause the duplicate situation, you need to set this to false.

<hibernate-mapping auto-import="false">
...

Thanks, looks like I've got this working now.