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To reproduce this bug, create a new Papyrus project without associated diagram. You get this exception : java.lang.NullPointerException at org.eclipse.papyrus.diagram.common.util.ViewServiceUtil.forceLoad(ViewServiceUtil.java:44) at org.eclipse.papyrus.diagram.common.actions.AbstractShowHideAction.<init>(AbstractShowHideAction.java:99) at org.eclipse.papyrus.diagram.common.actions.ShowHideContentsAction.<init>(ShowHideContentsAction.java:97) at org.eclipse.papyrus.diagram.common.actions.ShowHideContentsAction.<init>(ShowHideContentsAction.java:82) at org.eclipse.papyrus.diagram.menu.actions.handlers.ShowHideContentsHandler.<init>(ShowHideContentsHandler.java:34) at org.eclipse.papyrus.diagram.menu.providers.ActionStateSourceProvider.testShowHideContents(ActionStateSourceProvider.java:94) at org.eclipse.papyrus.diagram.menu.providers.ActionStateSourceProvider.refreshShowHideContentsAction(ActionStateSourceProvider.java:79) at org.eclipse.papyrus.diagram.menu.providers.ActionStateSourceProvider.refreshActions(ActionStateSourceProvider.java:69) at org.eclipse.papyrus.diagram.common.providers.AbstractActionStateSourceProvider$PartListener.partActivated(AbstractActionStateSourceProvider.java:244) at org.eclipse.ui.internal.PartListenerList$1.run(PartListenerList.java:72) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.runtime.Platform.run(Platform.java:888) at org.eclipse.ui.internal.PartListenerList.fireEvent(PartListenerList.java:57) at org.eclipse.ui.internal.PartListenerList.firePartActivated(PartListenerList.java:70) at org.eclipse.ui.internal.PartService.firePartActivated(PartService.java:187) at org.eclipse.ui.internal.PartService.setActivePart(PartService.java:306) at org.eclipse.ui.internal.WWinPartService.updateActivePart(WWinPartService.java:135) at org.eclipse.ui.internal.WWinPartService.access$0(WWinPartService.java:125) at org.eclipse.ui.internal.WWinPartService$WWinListener.partDeactivated(WWinPartService.java:50) at org.eclipse.ui.internal.PartListenerList2$4.run(PartListenerList2.java:115) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.runtime.Platform.run(Platform.java:888) at org.eclipse.ui.internal.PartListenerList2.fireEvent(PartListenerList2.java:55) at org.eclipse.ui.internal.PartListenerList2.firePartDeactivated(PartListenerList2.java:113) at org.eclipse.ui.internal.PartService.firePartDeactivated(PartService.java:242) at org.eclipse.ui.internal.PartService.setActivePart(PartService.java:300) at org.eclipse.ui.internal.WorkbenchPagePartList.fireActivePartChanged(WorkbenchPagePartList.java:57) at org.eclipse.ui.internal.PartList.setActivePart(PartList.java:136) at org.eclipse.ui.internal.WorkbenchPage.setActivePart(WorkbenchPage.java:3537) at org.eclipse.ui.internal.WorkbenchPage.requestActivation(WorkbenchPage.java:3077) at org.eclipse.ui.internal.PartPane.requestActivation(PartPane.java:279) at org.eclipse.ui.internal.PartPane.handleEvent(PartPane.java:237) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1424) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:2632) at org.eclipse.swt.widgets.Widget.wmSetFocus(Widget.java:2402) at org.eclipse.swt.widgets.Control.WM_SETFOCUS(Control.java:4792) at org.eclipse.swt.widgets.Tree.WM_SETFOCUS(Tree.java:6907) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4229) at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:5844) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873) at org.eclipse.swt.internal.win32.OS.SetFocus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:995) at org.eclipse.swt.widgets.Control.setSavedFocus(Control.java:3269) at org.eclipse.swt.widgets.Decorations.restoreFocus(Decorations.java:821) at org.eclipse.swt.widgets.Decorations.WM_ACTIVATE(Decorations.java:1639) at org.eclipse.swt.widgets.Shell.WM_ACTIVATE(Shell.java:2114) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4157) at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341) at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1598) at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2038) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873) at org.eclipse.swt.internal.win32.OS.DestroyWindow(Native Method) at org.eclipse.swt.widgets.Control.destroyWidget(Control.java:684) at org.eclipse.swt.widgets.Shell.destroyWidget(Shell.java:697) at org.eclipse.swt.widgets.Widget.release(Widget.java:818) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:446) at org.eclipse.swt.widgets.Decorations.dispose(Decorations.java:447) at org.eclipse.swt.widgets.Shell.dispose(Shell.java:714) at org.eclipse.jface.window.Window.close(Window.java:335) at org.eclipse.jface.dialogs.Dialog.close(Dialog.java:979) at org.eclipse.jface.dialogs.TrayDialog.close(TrayDialog.java:179) at org.eclipse.jface.wizard.WizardDialog.hardClose(WizardDialog.java:871) at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:819) at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:430) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.ui.internal.actions.NewWizardShortcutAction.run(NewWizardShortcutAction.java:135) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2629) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2427) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:663) 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(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 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)
Fixed in R3426
