lazy Loading of a field with inheritance throws a ClassCastException:

public class Customer {
@ManyToOne(cascade = CascadeType.ALL)
private Vehicle vehicle;
}

public class Truck extends Vehicle {
int capacity;
}

if (customer.getVehicle() instanceof Truck) {
(Truck) customer.getVehicle()).getCapacity());
}
throws:

Caused by: java.lang.ClassCastException: db.data.Truck$$EntityBean$ora cannot be cast to db.data.Vehicle$$EntityBean$ora

More info and an example code can be found under:
https://groups.google.com/forum/?hl=de#!topic/ebean/8kO88_0VpfA