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When we switch between an Papyrus Editor and an Ecore Editor, we get the following Exception : java.lang.ClassCastException: org.eclipse.emf.ecore.presentation.EcoreEditor cannot be cast to org.eclipse.papyrus.editor.PapyrusMultiDiagramEditor at org.eclipse.papyrus.diagram.common.util.ViewServiceUtil.forceLoad(ViewServiceUtil.java:41) 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.composite.custom.actions.ShowHideRelatedContentsAction.<init>(ShowHideRelatedContentsAction.java:39) at org.eclipse.papyrus.diagram.composite.custom.actions.ShowHideRelatedContentsHandler.<init>(ShowHideRelatedContentsHandler.java:33) at org.eclipse.papyrus.diagram.composite.custom.providers.ActionStateSourceProvider.testShowHideRelatedContents(ActionStateSourceProvider.java:78) at org.eclipse.papyrus.diagram.composite.custom.providers.ActionStateSourceProvider.refreshShowHideRelatedContentsAction(ActionStateSourceProvider.java:63) at org.eclipse.papyrus.diagram.composite.custom.providers.ActionStateSourceProvider.refreshActions(ActionStateSourceProvider.java:89) at org.eclipse.papyrus.diagram.common.providers.AbstractActionStateSourceProvider$SelectionListener.selectionChanged(AbstractActionStateSourceProvider.java:265) at org.eclipse.ui.internal.AbstractSelectionService.fireSelection(AbstractSelectionService.java:156) at org.eclipse.ui.internal.AbstractSelectionService$1.selectionChanged(AbstractSelectionService.java:62) at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:164) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:162) at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2167) at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1190) at org.eclipse.ui.navigator.CommonViewer.handleSelect(CommonViewer.java:478) at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1220) at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:228) at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:222) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:389) 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)
Done in R3339
