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via GitHub by Namphibian
, 1 year ago
This exception has no message.
via Eclipse Bugzilla by rahul.biswas, 1 year ago
java.lang.NullPointerException: 	at org.eclipse.persistence.internal.jpa.metadata.ORMetadata.shouldOverride(ORMetadata.java:882)	at org.eclipse.persistence.internal.jpa.metadata.ORMetadata.mergeORObjectLists(ORMetadata.java:645)	at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.XMLAttributes.merge(XMLAttributes.java:390)	at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.ClassAccessor.merge(ClassAccessor.java:1201)	at org.eclipse.persistence.internal.jpa.metadata.xml.DBEntityMappings.initPersistenceUnitClasses(DBEntityMappings.java:133)	at org.netbeans.db.modeler.persistence.internal.jpa.metadata.JPAMMetadataProcessor.initPersistenceUnitClasses(JPAMMetadataProcessor.java:56)	at org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor.processEntityMappings(MetadataProcessor.java:556)	at org.netbeans.db.modeler.persistence.internal.jpa.deployment.JPAMPersistenceUnitProcessor.processORMetadata(JPAMPersistenceUnitProcessor.java:45)	at org.netbeans.db.modeler.specification.model.util.DBModelerUtil.createDBMapping(DBModelerUtil.java:252)	at org.netbeans.db.modeler.specification.model.util.DBModelerUtil.loadModelerFileInternal(DBModelerUtil.java:190)	at org.netbeans.db.modeler.specification.model.util.DBModelerUtil.loadModelerFile(DBModelerUtil.java:178)	at org.netbeans.modeler.core.NBModelerUtil.loadModelerFile(NBModelerUtil.java:57)	at org.netbeans.modeler.specification.model.file.action.ModelerFileActionListener.openModelerFile(ModelerFileActionListener.java:150)	at org.netbeans.db.modeler.specification.model.file.action.DBViewerActionListener.init(DBViewerActionListener.java:59)	at org.netbeans.jpa.modeler.specification.model.util.JPAModelerUtil.openDBViewer(JPAModelerUtil.java:1767)	at org.netbeans.jpa.modeler.specification.model.scene.JPAModelerScene.lambda$getPopupMenuItemList$4(JPAModelerScene.java:384)	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)	at javax.swing.AbstractButton.doClick(AbstractButton.java:376)	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)	at java.awt.Component.processMouseEvent(Component.java:6533)	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)	at java.awt.Component.processEvent(Component.java:6298)	at java.awt.Container.processEvent(Container.java:2236)	at java.awt.Component.dispatchEventImpl(Component.java:4889)	at java.awt.Container.dispatchEventImpl(Container.java:2294)	at java.awt.Component.dispatchEvent(Component.java:4711)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)	at java.awt.Container.dispatchEventImpl(Container.java:2280)	at java.awt.Window.dispatchEventImpl(Window.java:2746)	at java.awt.Component.dispatchEvent(Component.java:4711)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)	at java.awt.EventQueue.access$500(EventQueue.java:97)	at java.awt.EventQueue$3.run(EventQueue.java:709)	at java.awt.EventQueue$3.run(EventQueue.java:703)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)	at java.awt.EventQueue$4.run(EventQueue.java:731)	at java.awt.EventQueue$4.run(EventQueue.java:729)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)