Org. hibernate. mappingexception: unknown entity FAQ

Org. hibernate. mappingexception: unknown entity does not find a solution suitable for me after searching for Baidu and googl for a long time. Finally, it is caused by the import entity class (this package is automatically prompted to be imported using eclipse)

Import javax. Persistence. ID;
Import javax. Persistence. Table;
Import javax. Persistence. Transient;
Import org. hibernate. Annotations. entity; // This is a problem.

@ Entity
@ Table (name = "test_person ")
Public class person implements serializable

The introduced entity is modified later.

Import javax. Persistence. ID;
Import javax. Persistence. Table;
Import javax. Persistence. Transient;
Import javax. Persistence. entity; // This class is correct.

@ Entity
@ Table (name = "test_person ")
Public class person implements serializable

In addition, some reports org. hibernate. mappingexception: unknown entity, which may be caused by not adding *. HBM. XML to the cfg file.