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Bug 313132

Summary:	[Use case editor] Cannot reopen diagram after deleting associations
Product:	[Modeling] Papyrus	Reporter:	Bran Selic <selic>
Component:	Core	Assignee:	Patrick Tessier <Patrick.Tessier>
Status:	RESOLVED FIXED	QA Contact:
Severity:	normal
Priority:	P3	CC:	m.assassa
Version:	unspecified
Target Milestone:	---
Hardware:	PC
OS:	Windows XP
Whiteboard:

Description Bran Selic

2010-05-17 09:30:50 EDT

After deleting a couple of associations between actors and use cases, I closed the editor on a use case diagram. Then, I tried to reopen it and got the following stack error:



java.lang.ClassCastException: org.eclipse.uml2.uml.internal.impl.PackageImpl cannot be cast to org.eclipse.uml2.uml.Association
	at org.eclipse.papyrus.diagram.usecase.edit.parts.AssociationEditPart.refreshVisuals(AssociationEditPart.java:166)
	at org.eclipse.gef.editparts.AbstractEditPart.refresh(AbstractEditPart.java:676)
	at org.eclipse.gef.editparts.AbstractGraphicalEditPart.refresh(AbstractGraphicalEditPart.java:571)
	at org.eclipse.gef.editparts.AbstractConnectionEditPart.refresh(AbstractConnectionEditPart.java:221)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionEditPart.access$1(ConnectionEditPart.java:1)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionEditPart$5.run(ConnectionEditPart.java:1127)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionEditPart.refresh(ConnectionEditPart.java:1124)
	at org.eclipse.gef.editparts.AbstractConnectionEditPart.setTarget(AbstractConnectionEditPart.java:295)
	at org.eclipse.gef.editparts.AbstractGraphicalEditPart.addTargetConnection(AbstractGraphicalEditPart.java:278)
	at org.eclipse.gef.editparts.AbstractGraphicalEditPart.refreshTargetConnections(AbstractGraphicalEditPart.java:674)
	at org.eclipse.gef.editparts.AbstractGraphicalEditPart.refresh(AbstractGraphicalEditPart.java:573)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.access$3(GraphicalEditPart.java:1)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart$3.run(GraphicalEditPart.java:861)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.refresh(GraphicalEditPart.java:851)
	at org.eclipse.gef.editparts.AbstractEditPart.addNotify(AbstractEditPart.java:235)
	at org.eclipse.gef.editparts.AbstractGraphicalEditPart.addNotify(AbstractGraphicalEditPart.java:219)
	at org.eclipse.gef.editparts.AbstractEditPart.addChild(AbstractEditPart.java:198)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.addChild(GraphicalEditPart.java:1319)
	at org.eclipse.gef.editparts.AbstractEditPart.refreshChildren(AbstractEditPart.java:727)
	at org.eclipse.gef.editparts.AbstractEditPart.refresh(AbstractEditPart.java:677)
	at org.eclipse.gef.editparts.AbstractGraphicalEditPart.refresh(AbstractGraphicalEditPart.java:571)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.access$3(GraphicalEditPart.java:1)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart$3.run(GraphicalEditPart.java:861)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.refresh(GraphicalEditPart.java:851)
	at org.eclipse.gef.editparts.AbstractEditPart.addNotify(AbstractEditPart.java:235)
	at org.eclipse.gef.editparts.AbstractGraphicalEditPart.addNotify(AbstractGraphicalEditPart.java:219)
	at org.eclipse.gef.editparts.AbstractEditPart.addChild(AbstractEditPart.java:198)
	at org.eclipse.gef.editparts.SimpleRootEditPart.setContents(SimpleRootEditPart.java:101)
	at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setContents(AbstractEditPartViewer.java:601)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramGraphicalViewer.setContents(DiagramGraphicalViewer.java:378)
	at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setContents(AbstractEditPartViewer.java:610)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.initializeGraphicalViewerContents(DiagramEditor.java:872)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.initializeGraphicalViewer(DiagramEditor.java:865)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditorWithFlyOutPalette.initializeGraphicalViewer(DiagramEditorWithFlyOutPalette.java:116)
	at org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.DiagramDocumentEditor.initializeGraphicalViewer(DiagramDocumentEditor.java:175)
	at org.eclipse.papyrus.diagram.usecase.part.UMLDiagramEditor.initializeGraphicalViewer(UMLDiagramEditor.java:530)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.createGraphicalViewer(DiagramEditor.java:807)
	at org.eclipse.papyrus.diagram.usecase.UmlUseCaseDiagramForMultiEditor.createGraphicalViewer(UmlUseCaseDiagramForMultiEditor.java:101)
	at org.eclipse.gef.ui.parts.GraphicalEditor.createPartControl(GraphicalEditor.java:163)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.createPartControl(DiagramEditor.java:1580)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditorWithFlyOutPalette.createPartControl(DiagramEditorWithFlyOutPalette.java:328)
	at org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.DiagramDocumentEditor.createPartControl(DiagramDocumentEditor.java:1511)
	at org.eclipse.papyrus.sasheditor.internal.EditorPart.createEditorPartControl(EditorPart.java:264)
	at org.eclipse.papyrus.sasheditor.internal.EditorPart.createPartControl(EditorPart.java:169)
	at org.eclipse.papyrus.sasheditor.internal.TabFolderPart.createChildPart(TabFolderPart.java:888)
	at org.eclipse.papyrus.sasheditor.internal.TabFolderPart.createTabItem(TabFolderPart.java:815)
	at org.eclipse.papyrus.sasheditor.internal.TabFolderPart.synchronize2(TabFolderPart.java:730)
	at org.eclipse.papyrus.sasheditor.internal.RootPart.synchronize2(RootPart.java:139)
	at org.eclipse.papyrus.sasheditor.internal.SashWindowsContainer.refreshTabsInternal(SashWindowsContainer.java:358)
	at org.eclipse.papyrus.sasheditor.internal.SashWindowsContainer.refreshTabs(SashWindowsContainer.java:327)
	at org.eclipse.papyrus.sasheditor.editor.AbstractMultiPageSashEditor.refreshTabs(AbstractMultiPageSashEditor.java:164)
	at org.eclipse.papyrus.core.editor.CoreMultiDiagramEditor.access$2(CoreMultiDiagramEditor.java:1)
	at org.eclipse.papyrus.core.editor.CoreMultiDiagramEditor$2.contentChanged(CoreMultiDiagramEditor.java:168)
	at org.eclipse.papyrus.sasheditor.contentprovider.di.internal.ContentChangedEventProvider.fireContentChanged(ContentChangedEventProvider.java:162)
	at org.eclipse.papyrus.sasheditor.contentprovider.di.internal.ContentChangedEventProvider$EMFAdapter.notifyChanged(ContentChangedEventProvider.java:194)
	at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:380)
	at org.eclipse.emf.ecore.util.EcoreEList.dispatchNotification(EcoreEList.java:255)
	at org.eclipse.emf.common.notify.impl.NotifyingListImpl.addUnique(NotifyingListImpl.java:300)
	at org.eclipse.emf.common.util.AbstractEList.add(AbstractEList.java:307)
	at org.eclipse.papyrus.sashwindows.di.impl.TabFolderImpl.addPage(TabFolderImpl.java:91)
	at org.eclipse.papyrus.sashwindows.di.impl.SashModelImpl.addPage(SashModelImpl.java:145)
	at org.eclipse.papyrus.sasheditor.contentprovider.di.internal.PageMngrImpl.openPage(PageMngrImpl.java:141)
	at org.eclipse.papyrus.sasheditor.contentprovider.di.internal.TransactionalPageMngrImpl$5.doExecute(TransactionalPageMngrImpl.java:164)
	at org.eclipse.emf.transaction.RecordingCommand.execute(RecordingCommand.java:135)
	at org.eclipse.emf.common.command.BasicCommandStack.execute(BasicCommandStack.java:84)
	at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.basicExecute(AbstractTransactionalCommandStack.java:241)
	at org.eclipse.emf.transaction.impl.TransactionalCommandStackImpl.doExecute(TransactionalCommandStackImpl.java:63)
	at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:165)
	at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:219)
	at org.eclipse.papyrus.sasheditor.contentprovider.di.internal.TransactionalPageMngrImpl.openPage(TransactionalPageMngrImpl.java:169)
	at org.eclipse.papyrus.navigator.ModelNavigator.handleDoubleClickOnDiagram(ModelNavigator.java:579)
	at org.eclipse.papyrus.navigator.ModelNavigator.handleDoubleClick(ModelNavigator.java:554)
	at org.eclipse.ui.navigator.CommonNavigator$4.doubleClick(CommonNavigator.java:521)
	at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:821)
	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.StructuredViewer.fireDoubleClick(StructuredViewer.java:819)
	at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1418)
	at org.eclipse.ui.navigator.CommonViewer.handleDoubleSelect(CommonViewer.java:454)
	at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1195)
	at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:238)
	at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:235)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:296)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1050)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4037)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3628)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2416)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2380)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2229)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:504)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:497)
	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:1406)

Comment 1 Patrick Tessier

2011-05-19 04:53:29 EDT

This bug seems to be fixed

Test on use case diagram has to be added before closing this bug