users@glassfish.java.net

JPA Problem: LinkageError

From: <glassfish_at_javadesktop.org>
Date: Mon, 30 Jul 2007 08:41:02 PDT

Hi,

I am having a problem applying a new build of the TopLink Essentials in Netbeans.
Currently I am using the build 45 and try to update to the build 57!
With the original build my program works fine, the new build and all builds between cause a LinkageError?!

Why? I have no clue...
 (I download the build, extract it and reset the new libaries in the libary manager of Netbeans)

I am happy for any hint...

Regards

Marcel

java.lang.LinkageError: loader constraint violation in interface itable initialization: when resolving method "DatenStruktur.ConditionBasic.getCouplingElement()LDatenStruktur/CouplingElement;" the class loader (instance of oracle/toplink/essentials/internal/ejb/cmp3/JavaSECMPInitializer$TempEntityLoader) of the current class, DatenStruktur/ConditionBasic, and the class loader (instance of sun/misc/Launcher$AppClassLoader) for interface DatenStruktur/Conditionable have different Class objects for the type DatenStruktur/CouplingElement used in the signature
        at java.lang.Class.getDeclaredFields0(Native Method)
        at java.lang.Class.privateGetDeclaredFields(Class.java:2291)
        at java.lang.Class.getDeclaredFields(Class.java:1743)
        at oracle.toplink.essentials.internal.security.PrivilegedAccessHelper.getDeclaredFields(PrivilegedAccessHelper.java:204)
        at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataHelper.getFields(MetadataHelper.java:443)
        at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataDescriptor.usesPropertyAccess(MetadataDescriptor.java:1081)
        at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.ClassAccessor.processAccessors(ClassAccessor.java:564)
        at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.ClassAccessor.process(ClassAccessor.java:498)
        at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.MetadataAccessor.processAccessor(MetadataAccessor.java:514)
        at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.ClassAccessor.processTableAndInheritance(ClassAccessor.java:1388)
        at oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.ClassAccessor.process(ClassAccessor.java:484)
        at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataProcessor.processAnnotations(MetadataProcessor.java:240)
        at oracle.toplink.essentials.ejb.cmp3.persistence.PersistenceUnitProcessor.processORMetadata(PersistenceUnitProcessor.java:370)
        at oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:605)
        at oracle.toplink.essentials.internal.ejb.cmp3.JavaSECMPInitializer.callPredeploy(JavaSECMPInitializer.java:170)
        at oracle.toplink.essentials.internal.ejb.cmp3.JavaSECMPInitializer.initPersistenceUnits(JavaSECMPInitializer.java:238)
        at oracle.toplink.essentials.internal.ejb.cmp3.JavaSECMPInitializer.initialize(JavaSECMPInitializer.java:254)
        at oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider.createEntityManagerFactory(EntityManagerFactoryProvider.java:154)
        at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java):96)
        at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java):73)
        at MainProgramManagement.ProgramMain.getEntityManagerFactory(ProgramMain.java:373)
        at MainProgramManagement.ProgramMain.persistData(ProgramMain.java:814)
        at GUIMainPanel.RiskProgGUIMainFrame.newProject(RiskProgGUIMainFrame.java:506)
        at GUIMainPanel.RiskProgGUIMainFrame.actionPerformed(RiskProgGUIMainFrame.java:708)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
        at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
        at java.awt.Component.processMouseEvent(Component.java:6038)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)
        at java.awt.Component.processEvent(Component.java:5803)
        at java.awt.Container.processEvent(Container.java:2058)
        at java.awt.Component.dispatchEventImpl(Component.java:4410)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Component.dispatchEvent(Component.java:4240)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
        at java.awt.Container.dispatchEventImpl(Container.java:2102)
        at java.awt.Window.dispatchEventImpl(Window.java:2429)
        at java.awt.Component.dispatchEvent(Component.java:4240)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        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)
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