This is undoubtedly something stupid on my part and I'm sure this must have been asked before but I can't find the answer... so here goes:

I have two entities, Person and Country. There is a many to one relationship from Person to Country (i.e. a person has a country).

I want to get a list of people sorted by the name of their country.

But with the following criteria I get org.hibernate.QueryException: could not resolve property: country.name

Criteria criteria = session.createCriteria(Person.class);
criteria.addOrder(Order.asc("country.name"));
criteria.list();

Country does indeed have a publicly accessible name property and if remove the addOrder line I can get the country name on objects returned in the list as expected (by calling person.getCountry().getName())

What am I missing?

To answer my own question, the correct code looks like this:

Criteria criteria = session.createCriteria(Person.class);
criteria.createCriteria("country").addOrder(Order.asc("name"));
criteria.list();