que poderia ser?
jul 09, 2019 10:12:52 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
jul 09, 2019 10:12:52 PM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
Exception in thread "main" java.lang.ExceptionInInitializerError
at br.com.caelum.livraria.dao.PopulaBanco.main(PopulaBanco.java:17)
Caused by: javax.persistence.PersistenceException: No Persistence provider for EntityManager named livrariadb
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:69)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47)
at br.com.caelum.livraria.dao.JPAUtil.<clinit>(JPAUtil.java:10)
... 1 more
