ClassCastException when casting to the same class

Question

I have 2 different Java projects, one has 2 classes: dynamicbeans.DynamicBean2 and dynamic.Validator.

On the other project, I load both of

Answer 1

I had a similar issue with JAXB and JBoss AS 7.1. The issue and solution are described here: javax.xml.bind.JAXBException: Class *** nor any of its super class is known to this context. The exception that was given was org.foo.bar.ValueSet cannot be cast to org.foo.bar.ValueSet