run：
2011-12-13 11:06:46 org.jdesktop.application.Application$1 run
严重: Application class cutomerrecords.CustomerRecordsApp failed to launch
javax.persistence.PersistenceException: No Persistence provider for EntityManager named localhost:1433;databaseName=scPU: Provider named oracle.toplink.essentials.PersistenceProvider threw unexpected exception at create EntityManagerFactory: 
oracle.toplink.essentials.exceptions.PersistenceUnitLoadingException
Local Exception Stack: 
Exception [TOPLINK-30005] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.PersistenceUnitLoadingException
Exception Description: An exception was thrown while searching for persistence archives with ClassLoader: sun.misc.Launcher$AppClassLoader@19821f
Internal Exception: javax.persistence.PersistenceException: Exception [TOPLINK-28018] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.EntityManagerSetupException
Exception Description: predeploy for PersistenceUnit [localhost:1433;databaseName=scPU] failed.
Internal Exception: Exception [TOPLINK-7250] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.ValidationException
Exception Description: [class cutomerrecords.Customers] uses a non-entity [class cutomerrecords.Countries] as target entity in the relationship attribute [private cutomerrecords.Countries cutomerrecords.Customers.countryId].
    at oracle.toplink.essentials.exceptions.PersistenceUnitLoadingException.exceptionSearchingForPersistenceResources(PersistenceUnitLoadingException.java:143)
    at oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider.createEntityManagerFactory(EntityManagerFactoryProvider.java:169)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:110)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83)
    at cutomerrecords.CustomerRecordsView.initComponents(CustomerRecordsView.java:342)
    at cutomerrecords.CustomerRecordsView.<init>(CustomerRecordsView.java:39)
    at cutomerrecords.CustomerRecordsApp.startup(CustomerRecordsApp.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: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: Exception [TOPLINK-28018] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.EntityManagerSetupException
Exception Description: predeploy for PersistenceUnit [localhost:1433;databaseName=scPU] failed.
Internal Exception: Exception [TOPLINK-7250] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.ValidationException
Exception Description: [class cutomerrecords.Customers] uses a non-entity [class cutomerrecords.Countries] as target entity in the relationship attribute [private cutomerrecords.Countries cutomerrecords.Customers.countryId].
    at oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:643)
    at oracle.toplink.essentials.internal.ejb.cmp3.JavaSECMPInitializer.callPredeploy(JavaSECMPInitializer.java:171)
    at oracle.toplink.essentials.internal.ejb.cmp3.JavaSECMPInitializer.initPersistenceUnits(JavaSECMPInitializer.java:239)
    at oracle.toplink.essentials.internal.ejb.cmp3.JavaSECMPInitializer.initialize(JavaSECMPInitializer.java:255)
    at oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider.createEntityManagerFactory(EntityManagerFactoryProvider.java:155)
    ... 14 more
Caused by: Exception [TOPLINK-28018] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.EntityManagerSetupException
Exception Description: predeploy for PersistenceUnit [localhost:1433;databaseName=scPU] failed.
Internal Exception: Exception [TOPLINK-7250] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.ValidationException
Exception Description: [class cutomerrecords.Customers] uses a non-entity [class cutomerrecords.Countries] as target entity in the relationship attribute [private cutomerrecords.Countries cutomerrecords.Customers.countryId].
    at oracle.toplink.essentials.exceptions.EntityManagerSetupException.predeployFailed(EntityManagerSetupException.java:228)
    ... 19 more
Caused by: Exception [TOPLINK-7250] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.ValidationException
Exception Description: [class cutomerrecords.Customers] uses a non-entity [class cutomerrecords.Countries] as target entity in the relationship attribute [private cutomerrecords.Countries cutomerrecords.Customers.countryId].
    at oracle.toplink.essentials.exceptions.ValidationException.nonEntityTargetInRelationship(ValidationException.java:1140)
    at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataValidator.throwNonEntityTargetInRelationship(MetadataValidator.java:321)
    at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.RelationshipAccessor.getReferenceDescriptor(RelationshipAccessor.java:164)
    at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.ObjectAccessor.processOneToOneForeignKeyRelationship(ObjectAccessor.java:128)
    at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.ObjectAccessor.processOwningMappingKeys(ObjectAccessor.java:205)
    at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.ManyToOneAccessor.process(ManyToOneAccessor.java:121)
    at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.RelationshipAccessor.processRelationship(RelationshipAccessor.java:290)
    at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataProject.processRelationshipDescriptors(MetadataProject.java:579)
    at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataProject.process(MetadataProject.java:512)
    at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataProcessor.processAnnotations(MetadataProcessor.java:246)
    at oracle.toplink.essentials.ejb.cmp3.persistence.PersistenceUnitProcessor.processORMetadata(PersistenceUnitProcessor.java:370)
    at oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:607)
    ... 18 more


 The following providers:
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 cutomerrecords.CustomerRecordsView.initComponents(CustomerRecordsView.java:342)
    at cutomerrecords.CustomerRecordsView.<init>(CustomerRecordsView.java:39)
    at cutomerrecords.CustomerRecordsApp.startup(CustomerRecordsApp.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: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 cutomerrecords.CustomerRecordsApp failed to launch
    at org.jdesktop.application.Application$1.run(Application.java:177)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: javax.persistence.PersistenceException: No Persistence provider for EntityManager named localhost:1433;databaseName=scPU: Provider named oracle.toplink.essentials.PersistenceProvider threw unexpected exception at create EntityManagerFactory: 
oracle.toplink.essentials.exceptions.PersistenceUnitLoadingException
Local Exception Stack: 
Exception [TOPLINK-30005] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.PersistenceUnitLoadingException
Exception Description: An exception was thrown while searching for persistence archives with ClassLoader: sun.misc.Launcher$AppClassLoader@19821f
Internal Exception: javax.persistence.PersistenceException: Exception [TOPLINK-28018] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.EntityManagerSetupException