That's expected.
>
> So, after this line
>
> Book aBook = aManager.find(Book.class, URI.create("urn:x-
> domain:oreilly.com:product:9780596514129.IP"));
>
> aBook is an instance of BookImpl and calls like aBook.getTitle() work,
> but return null.
That is not.
What version of Empire do you have? I just ran the example on HEAD
and it worked fine from my IDE. How are you running the code? What
is your classpath?
Cheers,
Mike