JNDI retrieval causes class cast exception when the retrieved bean extends abstract class

I am having issues with the retrieval of beans using JNDI. I have a bean which implements a remote interface

public class MyBean implements MyInterface

Its JNDI binding is

java:global/jndinaming/MyBean!learning.jndinaming.MyInterface

That is OK.

Now I want it to extend an Abstract class:

public abstract  class MyAbstractClass implements MyInterface
public class MyBean extends MyAbstractClass

So the JNDI binding becomes

java:global/jndinaming/MyBean!learning.jndinaming.MyBean

That is ok, I adjusted the string and my code which was this:

(MyInterface) ctx.lookup("java:global/jndinaming/MyBean!learning.jndinaming.MyInterface");

Becomes this:

(MyInterface) ctx.lookup("java:global/jndinaming/MyBean!learning.jndinaming.MyBean");

And I get a Class Cast exception:

ClassCastException: Cannot cast MyBean$$$view68 (id=938) to MyInterface

The interface file is in a project which is accessible by both the client and wirker project.

The client project contains the code that calls the lookup method.

The worker project has the bean implementation and abstract class.

The projects are in separate ear files but in the same wildfly container.

Why does adding the new "layer" with the abstract class causes this class cast exception? What can I do to solve it?