Bem… contar a historinha…
Tenho o netbeans 6 instalado… não sou programado java experiente… e tenho a necessidade de fazer um programa em Java Desktop.
Ta ai baixei , instalaei, criei a aplicação exemplo com acesso a dados… blz… rodando legal…
ai criei a minha que eu estou precisando fazer…
Tudo bem… estava funcionando legal…
depois de 1 semana , começou a aparecer o erro abaixo.
tanto na minha aplicação , quanto no exemplo do netbeans,
Ja desinstalei o netbenas e reinstalei, depois atualizei e nada… o mesmo erro…
preciso de Ajuda…
a detalhe tenho o mesmo netbeans intalado em outra máquina e rotando normal…
Obriogado.
init:
deps-jar:
compile:
run:
22/01/2008 10:54:58 org.jdesktop.application.Application$1 run
SEVERE: Application class desktopapplication2.DesktopApplication2 failed to launch
javax.persistence.PersistenceException: No Persistence provider for EntityManager named samplePU: 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 desktopapplication2.DesktopApplication2View.initComponents(DesktopApplication2View.java:285)
at desktopapplication2.DesktopApplication2View.<init>(DesktopApplication2View.java:35)
at desktopapplication2.DesktopApplication2.startup(DesktopApplication2.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.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
Exception in thread “AWT-EventQueue-0” java.lang.Error: Application class desktopapplication2.DesktopApplication2 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.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
Caused by: javax.persistence.PersistenceException: No Persistence provider for EntityManager named samplePU: 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 desktopapplication2.DesktopApplication2View.initComponents(DesktopApplication2View.java:285)
at desktopapplication2.DesktopApplication2View.<init>(DesktopApplication2View.java:35)
at desktopapplication2.DesktopApplication2.startup(DesktopApplication2.java:19)
at org.jdesktop.application.Application$1.run(Application.java:171)
... 8 more
Bom … era só questão de patch … Na instalação configurei um diretorio de trabalho para os SRC, META_INF, DERBE , depois mudei o diretorio de trabalho do SRC e META_INF na criação do projeto… não sei porque mais o patch do DERBE não acompanhou a nova criação … ai deu o erro…
Valeu …
[quote=webluc]Bem… contar a historinha…
Tenho o netbeans 6 instalado… não sou programado java experiente… e tenho a necessidade de fazer um programa em Java Desktop.
Ta ai baixei , instalaei, criei a aplicação exemplo com acesso a dados… blz… rodando legal…
ai criei a minha que eu estou precisando fazer…
Tudo bem… estava funcionando legal…
depois de 1 semana , começou a aparecer o erro abaixo.
tanto na minha aplicação , quanto no exemplo do netbeans,
Ja desinstalei o netbenas e reinstalei, depois atualizei e nada… o mesmo erro…
preciso de Ajuda…
a detalhe tenho o mesmo netbeans intalado em outra máquina e rotando normal…
Obriogado.
init:
deps-jar:
compile:
run:
22/01/2008 10:54:58 org.jdesktop.application.Application$1 run
SEVERE: Application class desktopapplication2.DesktopApplication2 failed to launch
javax.persistence.PersistenceException: No Persistence provider for EntityManager named samplePU: 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 desktopapplication2.DesktopApplication2View.initComponents(DesktopApplication2View.java:285)
at desktopapplication2.DesktopApplication2View.<init>(DesktopApplication2View.java:35)
at desktopapplication2.DesktopApplication2.startup(DesktopApplication2.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.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
Exception in thread “AWT-EventQueue-0” java.lang.Error: Application class desktopapplication2.DesktopApplication2 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.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
Caused by: javax.persistence.PersistenceException: No Persistence provider for EntityManager named samplePU: 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 desktopapplication2.DesktopApplication2View.initComponents(DesktopApplication2View.java:285)
at desktopapplication2.DesktopApplication2View.<init>(DesktopApplication2View.java:35)
at desktopapplication2.DesktopApplication2.startup(DesktopApplication2.java:19)
at org.jdesktop.application.Application$1.run(Application.java:171)
... 8 more
[quote=michaelgerson]Estou com Mesmo ERRO Alguem entendeu a Soluçao.
Grato pela Ajuda[/quote]
Acho que he tarde para explicar mas eu estava com mesmo erro que o amigo webluc e como ele disse foi apenas erro no caminho onde se encontra o projeto, mude o projeto para outro local que NAO seja a Area de Trabalho, depois entre no diretorio build, edite o arquivo built-jar.properties e verifique se o caminho do projeto esta correto o meu aqui esta “/home/claudio/Documentos/Desenvolvimento/NetBeans/Letonia=”