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IN some cases when selecting a class in an Ecore Diagram, I get the following exception: java.lang.NullPointerException at org.eclipse.gmf.runtime.diagram.ui.editpolicies.DecorationEditPolicy$DecoratorTarget.addDecoration(DecorationEditPolicy.java:159) at org.eclipse.mylyn.modeling.gmf.ContextDecorator.addDecoration(ContextDecorator.java:83) at org.eclipse.mylyn.modeling.gmf.EdgeDecorator.createDecoration(EdgeDecorator.java:128) at org.eclipse.mylyn.modeling.gmf.ContextDecorator.refresh(ContextDecorator.java:71) at org.eclipse.mylyn.modeling.gmf.ContextDecoratorProvider.refresh(ContextDecoratorProvider.java:305) at org.eclipse.mylyn.modeling.gmf.ContextDecoratorProvider.refresh(ContextDecoratorProvider.java:298) at org.eclipse.mylyn.modeling.gmf.ContextDecoratorProvider.refresh(ContextDecoratorProvider.java:312) at org.eclipse.mylyn.modeling.gmf.ContextDecoratorProvider.contextChanged(ContextDecoratorProvider.java:349) at org.eclipse.mylyn.modeling.gmf.ContextDecoratorProvider$1.contextChanged(ContextDecoratorProvider.java:75) at org.eclipse.mylyn.internal.context.core.InteractionContextManager$10.run(InteractionContextManager.java:1109) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.notifyInterestDelta(InteractionContextManager.java:1100) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.notifyInterestDelta(InteractionContextManager.java:1094) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.processInteractionEvent(InteractionContextManager.java:1177) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.processInteractionEvent(InteractionContextManager.java:1167) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.processInteractionEvent(InteractionContextManager.java:1163) at org.eclipse.mylyn.monitor.ui.AbstractUserInteractionMonitor.handleElementSelection(AbstractUserInteractionMonitor.java:157) at org.eclipse.mylyn.monitor.ui.AbstractUserInteractionMonitor.handleElementSelection(AbstractUserInteractionMonitor.java:84) at org.eclipse.mylyn.modeling.ui.DiagramUiEditingMonitor.handleWorkbenchPartSelection(DiagramUiEditingMonitor.java:44) at org.eclipse.mylyn.monitor.ui.AbstractUserInteractionMonitor.selectionChanged(AbstractUserInteractionMonitor.java:72) at org.eclipse.ui.internal.AbstractSelectionService.firePostSelection(AbstractSelectionService.java:179) at org.eclipse.ui.internal.AbstractSelectionService$2.selectionChanged(AbstractSelectionService.java:71) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramGraphicalViewer.flushSelectionEvents(DiagramGraphicalViewer.java:256) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramGraphicalViewer$1.run(DiagramGraphicalViewer.java:234) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3935) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3612) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123) 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:344) 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:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Appears to happen only after adding a new node and saving.
Actually happens after any modification and save.
Seems to be fixed.
