Hi,

I have a structure similar to this this:


class Zoo
{
  Animal animal;
}

class Zebra implements Animal
{
}

class Donkey implements Animal
{
}

All classes are annotated as PersistenceCapable etc and enhanced.  I
get this error:

javax.jdo.JDOUserException: Field "animal" is declared as a reference
type (interface/Object) but no implementation classes of "Animal" have
been found!

Any suggestions?  BTW, the cos are very sparse when it comes to
persisting class hierarchies.

Thanks,

John
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