RootCauseunvalidated
@MappedSuperclass classes in JPA are not entities, so they cannot be targets of entity relationships or collection mappings. As a result, JPA cannot persist a polymorphic list of those subclasses when the container relationship is typed to the mapped superclass.
a197f9ab-8529-474d-aee9-2ea0aab344be
@MappedSuperclass classes in JPA are not entities, so they cannot be targets of entity relationships or collection mappings. As a result, JPA cannot persist a polymorphic list of those subclasses when the container relationship is typed to the mapped superclass.