Error 2010-12-09 13:28:55.804 Unhandled event loop exception nullnull at com.metamatrix.modeler.internal.core.ModelEditorImpl.executeAsTransaction(ModelEditorImpl.java:549) at com.metamatrix.modeler.internal.core.ModelEditorImpl.getNewChildCommands(ModelEditorImpl.java:369) at com.metamatrix.modeler.ui.actions.ModelerActionService.getInsertChildMenu(ModelerActionService.java:652) at com.metamatrix.modeler.ui.actions.ModelerActionService.contributeToContextMenu(ModelerActionService.java:218) at com.metamatrix.modeler.internal.ui.explorer.ModelExplorerResourceNavigator.fillContextMenu(ModelExplorerResourceNavigator.java:729) at com.metamatrix.modeler.internal.ui.explorer.ModelExplorerResourceNavigator$6.menuAboutToShow(ModelExplorerResourceNavigator.java:683) at org.eclipse.jface.action.MenuManager.fireAboutToShow(MenuManager.java:338) at org.eclipse.jface.action.MenuManager.handleAboutToShow(MenuManager.java:469) at org.eclipse.jface.action.MenuManager.access$1(MenuManager.java:465) at org.eclipse.jface.action.MenuManager$2.menuShown(MenuManager.java:491) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:241) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1263) at org.eclipse.swt.widgets.Menu._setVisible(Menu.java:199) at org.eclipse.swt.widgets.Display.runPopups(Display.java:3581) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3158) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407) at org.eclipse.equinox.launcher.Main.main(Main.java:1383) Caused by: java.lang.NullPointerException at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eSettingDelegate(BasicEObjectImpl.java:1571) at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eDynamicIsSet(BasicEObjectImpl.java:1281) at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eIsSet(BasicEObjectImpl.java:1263) at org.eclipse.xsd.impl.XSDConcreteComponentImpl.eIsSet(XSDConcreteComponentImpl.java:2008) at org.eclipse.xsd.impl.XSDParticleImpl.eIsSet(XSDParticleImpl.java:479) at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eIsSet(BasicEObjectImpl.java:1247) at com.metamatrix.modeler.internal.core.ModelEditorImpl.shouldBeDisabled(ModelEditorImpl.java:407) at com.metamatrix.modeler.internal.core.ModelEditorImpl.createCommands(ModelEditorImpl.java:3499) at com.metamatrix.modeler.internal.core.ModelEditorImpl$1.run(ModelEditorImpl.java:365) at com.metamatrix.modeler.internal.core.ModelEditorImpl.executeAsTransaction(ModelEditorImpl.java:541) ... 38 more