Oi Pessoal,
Estou com um probleminha (?) para executar minha pequena aplicação de cadastro que fiz usando netbeans 7.0. Parece que a mensagem de erro mostra que falta um provider para ser criado o EntityManager, eu não tenho idéia de como fazer isso. Só utilizei a Interface Swing pra criar no NetBeans tudo. Consegui colocar um BD MySql no projeto mas, não sei como codificar isso...se puderem lançar uma Luz, agradeço muitíssimo! Abraços! :roll: :cry:run:
19/12/2011 22:59:45 org.jdesktop.application.Application$1 run
GRAVE: Application class membrosdb.MembrosDBApp failed to launch
javax.persistence.PersistenceException: No Persistence provider for EntityManager named mysqlPU: The following providers:
oracle.toplink.essentials.PersistenceProvider
oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider
Returned null to createEntityManagerFactory.
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:154)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83)
at membrosdb.MembrosDBView.initComponents(MembrosDBView.java:339)
at membrosdb.MembrosDBView.<init>(MembrosDBView.java:36)
at membrosdb.MembrosDBApp.startup(MembrosDBApp.java:19)
at org.jdesktop.application.Application$1.run(Application.java:171)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641)
at java.awt.EventQueue.access$000(EventQueue.java:84)
at java.awt.EventQueue$1.run(EventQueue.java:602)
at java.awt.EventQueue$1.run(EventQueue.java:600)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:611)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Exception in thread "AWT-EventQueue-0" java.lang.Error: Application class membrosdb.MembrosDBApp failed to launch
at org.jdesktop.application.Application$1.run(Application.java:177)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641)
at java.awt.EventQueue.access$000(EventQueue.java:84)
at java.awt.EventQueue$1.run(EventQueue.java:602)
at java.awt.EventQueue$1.run(EventQueue.java:600)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:611)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: javax.persistence.PersistenceException: No Persistence provider for EntityManager named mysqlPU: The following providers:
oracle.toplink.essentials.PersistenceProvider
oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider
Returned null to createEntityManagerFactory.
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:154)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83)
at membrosdb.MembrosDBView.initComponents(MembrosDBView.java:339)
at membrosdb.MembrosDBView.<init>(MembrosDBView.java:36)
at membrosdb.MembrosDBApp.startup(MembrosDBApp.java:19)
at org.jdesktop.application.Application$1.run(Application.java:171)
... 14 more
CONSTRUÍDO COM SUCESSO (tempo total: 14 segundos)
