org.hibernate.MappingException: Unknown entity: annotations.Users

Question

Consider the hierarchy :

And the following classes and xml :

Answer 1

The Hibernate configuration file must define the entity classes:

Or you must explicitly add the class to the configuration using

configuration.addClass(annotations.Users.class)
// Read mappings as a application resourceName
 // addResource is for add hbml.xml files in case of declarative approach
configuration.addResource("myFile.hbm.xml");  // not hibernateAnnotations.cfg.xml