crie um exemplo usando a categoria persistencia do NetBeans 6.5 com o firebird, ele gerou automatico tudo certinho aparece o menu
mas quando clico num tabela pra ele abrir da a mensagemtype Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: javax.faces.FacesException: Cant instantiate class: classes.CadvenController… javax.faces.FacesException: Cant instantiate class: TesteFormularios.CadvenJpaController… [PersistenceUnit: WebApplicationHibernatePU] Unable to build EntityManagerFactory
javax.faces.webapp.FacesServlet.service(FacesServlet.java:256)
root cause
javax.faces.FacesException: javax.faces.FacesException: Cant instantiate class: classes.CadvenController… javax.faces.FacesException: Cant instantiate class: TesteFormularios.CadvenJpaController… [PersistenceUnit: WebApplicationHibernatePU] Unable to build EntityManagerFactory
sera que fiz da forma errada ???
obrigado