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Steps to reproduce: -Create a BDD -Create two blocks B1 & B2 -Add a directed composition from B1 to B2 -Add a directed composition from B1 to the previous directed composition itself. => The following exception is raised (there are 3 similar exceptions, actually): java.lang.ClassCastException: org.eclipse.papyrus.sysml.diagram.common.edit.part.AssociationEditPart cannot be cast to org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart at org.eclipse.papyrus.sysml.diagram.common.edit.part.AssociationEditPart.refreshVisuals(AssociationEditPart.java:111) at org.eclipse.gef.editparts.AbstractEditPart.refresh(AbstractEditPart.java:725) at org.eclipse.gef.editparts.AbstractGraphicalEditPart.refresh(AbstractGraphicalEditPart.java:644) at org.eclipse.gef.editparts.AbstractConnectionEditPart.refresh(AbstractConnectionEditPart.java:226) 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:304) at org.eclipse.gef.editparts.AbstractGraphicalEditPart.addTargetConnection(AbstractGraphicalEditPart.java:291) at org.eclipse.gef.editparts.AbstractGraphicalEditPart.refreshTargetConnections(AbstractGraphicalEditPart.java:760) at org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionNodeEditPart.handleNotificationEvent(ConnectionNodeEditPart.java:223) at org.eclipse.papyrus.diagram.common.editparts.UMLConnectionNodeEditPart.handleNotificationEvent(UMLConnectionNodeEditPart.java:86) at org.eclipse.papyrus.uml.diagram.common.edit.part.AbstractElementLinkEditPart.handleNotificationEvent(AbstractElementLinkEditPart.java:104) at org.eclipse.papyrus.sysml.diagram.common.edit.part.AssociationEditPart.handleNotificationEvent(AssociationEditPart.java:92) at org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionEditPart.notifyChanged(ConnectionEditPart.java:1731) at org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker.fireNotification(DiagramEventBroker.java:500) at org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker.resourceSetChanged(DiagramEventBroker.java:395) at org.eclipse.gmf.runtime.diagram.ui.DiagramEventBrokerThreadSafe.resourceSetChanged(DiagramEventBrokerThreadSafe.java:73) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl$1.run(TransactionalEditingDomainImpl.java:781) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.postcommit(TransactionalEditingDomainImpl.java:771) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.deactivate(TransactionalEditingDomainImpl.java:543) at org.eclipse.emf.transaction.impl.TransactionImpl.close(TransactionImpl.java:712) at org.eclipse.emf.transaction.impl.TransactionImpl.commit(TransactionImpl.java:474) at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:155) at org.eclipse.gmf.runtime.common.core.command.CompositeCommand.doExecuteWithResult(CompositeCommand.java:403) at org.eclipse.gmf.runtime.common.core.command.AbstractCommand.execute(AbstractCommand.java:134) at org.eclipse.gmf.runtime.common.core.command.CompositeCommand.doExecuteWithResult(CompositeCommand.java:403) at org.eclipse.gmf.runtime.common.core.command.AbstractCommand.execute(AbstractCommand.java:134) at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:513) at org.eclipse.papyrus.commands.CheckedOperationHistory.execute(CheckedOperationHistory.java:182) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack.execute(DiagramCommandStack.java:206) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack.execute(DiagramCommandStack.java:169) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack.execute(DiagramCommandStack.java:156) at org.eclipse.gef.tools.AbstractTool.executeCommand(AbstractTool.java:425) at org.eclipse.gef.tools.AbstractTool.executeCurrentCommand(AbstractTool.java:438) at org.eclipse.papyrus.diagram.common.service.AspectUnspecifiedTypeConnectionTool.handleCreateConnection(AspectUnspecifiedTypeConnectionTool.java:291) at org.eclipse.gef.tools.ConnectionCreationTool.handleButtonDown(ConnectionCreationTool.java:77) at org.eclipse.gef.tools.AbstractTool.mouseDown(AbstractTool.java:1091) at org.eclipse.gef.EditDomain.mouseDown(EditDomain.java:245) at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMousePressed(DomainEventDispatcher.java:348) at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseDown(LightweightSystem.java:523) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:191) 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:4165) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754) 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(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:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) If the model is saved, the BDD diagram can no more be loaded afterwards, since a similar exception is raised while opening the BDD.
A Junit test must also be added to ensure Papyrus prevent this situation to happen.
Merged in trunk (0.9) : r7279.
I close this task
