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When creating an Enum as a nested type, I get this: !MESSAGE Internal Error !STACK 1 Java Model Exception: Java Model Status [Invalid contents specified] at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:735) at org.eclipse.jdt.internal.core.SourceType.createType(SourceType.java:150) at org.eclipse.jdt.ui.wizards.NewTypeWizardPage.createType(NewTypeWizardPage.java:1550) at org.eclipse.jdt.internal.ui.wizards.NewEnumCreationWizard.finishPage(NewEnumCreationWizard.java:55) at org.eclipse.jdt.internal.ui.wizards.NewElementWizard$2.run(NewElementWizard.java:108) at org.eclipse.jdt.internal.core.BatchOperation.executeOperation(BatchOperation.java:34) at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:700) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1676) at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:3655) at org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:65) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:322) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:269) at org.eclipse.jface.wizard.WizardDialog.run(WizardDialog.java:824) at org.eclipse.jdt.internal.ui.wizards.NewElementWizard.performFinish(NewElementWizard.java:115) at org.eclipse.jdt.internal.ui.wizards.NewEnumCreationWizard.performFinish(NewEnumCreationWizard.java:63) at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:670) at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:342) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:543) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:89) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:989) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2666) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2365) at org.eclipse.jface.window.Window.runEventLoop(Window.java:718) at org.eclipse.jface.window.Window.open(Window.java:696) at org.eclipse.ui.actions.NewWizardAction.run(NewWizardAction.java:172) at org.eclipse.jface.action.Action.runWithEvent(Action.java:988) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:946) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:896) at org.eclipse.jface.action.ActionContributionItem$7.handleEvent(ActionContributionItem.java:810) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:989) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2666) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2365) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1527) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1498) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:276) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:144) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:102) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:335) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.eclipse.core.launcher.Main.basicRun(Main.java:185) at org.eclipse.core.launcher.Main.run(Main.java:704) at org.eclipse.core.launcher.Main.main(Main.java:688) !SUBENTRY 1 org.eclipse.jdt.core 4 984 2004-11-03 12:01:49.34 !MESSAGE Invalid contents specified Exception in thread "org.eclipse.jdt.internal.ui.text.JavaReconciler" java.lang.NullPointerException at org.eclipse.jdt.internal.corext.dom.Bindings.isSuperType(Bindings.java:589) at org.eclipse.jdt.internal.ui.javaeditor.SemanticHighlightings$InheritedMethodInvocationHighlighting.consumes(SemanticHighlightings.java:509) at org.eclipse.jdt.internal.ui.javaeditor.SemanticHighlightingReconciler$PositionCollector.visit(SemanticHighlightingReconciler.java:79) at org.eclipse.jdt.core.dom.SimpleName.accept0(SimpleName.java:147) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2450) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2497) at org.eclipse.jdt.core.dom.MethodDeclaration.accept0(MethodDeclaration.java:501) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2450) at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2520) at org.eclipse.jdt.core.dom.EnumDeclaration.accept0(EnumDeclaration.java:289) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2450) at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2520) at org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:291) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2450) at org.eclipse.jdt.internal.ui.javaeditor.SemanticHighlightingReconciler.reconcilePositions(SemanticHighlightingReconciler.java:241) at org.eclipse.jdt.internal.ui.javaeditor.SemanticHighlightingReconciler.reconciled(SemanticHighlightingReconciler.java:200) at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor.reconciled(CompilationUnitEditor.java:1763) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:121) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.initialReconcile(JavaReconcilingStrategy.java:160) at org.eclipse.jdt.internal.ui.text.CompositeReconcilingStrategy.initialReconcile(CompositeReconcilingStrategy.java:114) at org.eclipse.jdt.internal.ui.text.JavaCompositeReconcilingStrategy.initialReconcile(JavaCompositeReconcilingStrategy.java:122) at org.eclipse.jface.text.reconciler.MonoReconciler.initialProcess(MonoReconciler.java:103) at org.eclipse.jdt.internal.ui.text.JavaReconciler.initialProcess(JavaReconciler.java:307) at org.eclipse.jface.text.reconciler.AbstractReconciler$BackgroundThread.run(AbstractReconciler.java:170)
the second stacktrace (Exception in thread "org.eclipse.jdt.internal.ui.text.JavaReconciler") is unrelated
This works using HEAD contents.
I was able to reproduce using latest. I will investigate.
Problem was due to the fact that JDOM didn't support creation of enums. Fixed by fixing bug 77894. *** This bug has been marked as a duplicate of 77894 ***
