Hibernate Exception in thread "main" org.hibernate.MappingException: Unknown entity:

Hibernate 4.3.11.Final Aug, 2015
Upto Above Hibernate Version No need to add configuration.addAnnotatedClass(path.Entity.class);
After Hibernate 5
Needed configuration.addAnnotatedClass(com.yaazli.hibernate.hql.insert.Entity.class);
Tested From Hibernate 5.0.0.Final Aug, 2015 to Hibernate 5.3.1.Final May, 2018.

With out this you'll get this error
Exception in thread "main" org.hibernate.MappingException: Unknown entity: com.yaazli.hibernate.hql.insert.EmployeeEntity