Description Alain Le Guennec 2011-12-22 09:42:43 EST

Assume you have a BDD with a FlowSpecification and a FlowProperty within that FlowSpecification (displayed within the appropriate compartment).
Select that flow property in the compartment, and delete it.
The following exception is raised:
org.eclipse.core.runtime.AssertionFailedException: assertion failed: Getter called on disposed observable org.eclipse.papyrus.properties.uml.databinding.MultiplicityObservableValue@828f44
	at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110)
	at org.eclipse.core.databinding.observable.ObservableTracker.getterCalled(ObservableTracker.java:252)
	at org.eclipse.core.databinding.observable.value.AbstractObservableValue.getterCalled(AbstractObservableValue.java:87)
	at org.eclipse.core.databinding.observable.value.AbstractObservableValue.getValue(AbstractObservableValue.java:75)
	at org.eclipse.papyrus.properties.uml.databinding.MultiplicityObservableValue.handleChange(MultiplicityObservableValue.java:156)
	at org.eclipse.core.databinding.observable.ChangeEvent.dispatch(ChangeEvent.java:41)
	at org.eclipse.core.databinding.observable.ChangeManager.fireEvent(ChangeManager.java:119)
	at org.eclipse.core.databinding.observable.AbstractObservable.fireChange(AbstractObservable.java:65)
	at org.eclipse.core.databinding.observable.value.AbstractObservableValue.fireValueChange(AbstractObservableValue.java:70)
	at org.eclipse.emf.databinding.EObjectObservableValue.access$0(EObjectObservableValue.java:1)
	at org.eclipse.emf.databinding.EObjectObservableValue$1$1.run(EObjectObservableValue.java:114)
	at org.eclipse.core.databinding.observable.Realm$1.run(Realm.java:148)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.databinding.observable.Realm.safeRun(Realm.java:152)
	at org.eclipse.core.databinding.observable.Realm.exec(Realm.java:170)
	at org.eclipse.emf.databinding.EObjectObservableValue$1.notifyChanged(EObjectObservableValue.java:110)
	at org.eclipse.uml2.uml.internal.impl.ElementImpl.eNotify(ElementImpl.java:974)
	at org.eclipse.emf.common.notify.impl.NotificationImpl.dispatch(NotificationImpl.java:1033)
	at org.eclipse.uml2.uml.internal.impl.StructuralFeatureImpl.setLowerValue(StructuralFeatureImpl.java:557)
	at org.eclipse.uml2.uml.internal.impl.PropertyImpl.eUnset(PropertyImpl.java:2217)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eUnset(BasicEObjectImpl.java:1164)
	at org.eclipse.emf.ecore.util.EcoreUtil.remove(EcoreUtil.java:3100)
	at org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand.doExecuteWithResult(DestroyElementCommand.java:127)
	at org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand.doExecute(AbstractTransactionalCommand.java:247)
	at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:150)
	at org.eclipse.emf.workspace.CompositeEMFOperation.doExecute(CompositeEMFOperation.java:217)
	at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:150)
	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.emf.workspace.CompositeEMFOperation.doExecute(CompositeEMFOperation.java:217)
	at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:150)
	at org.eclipse.papyrus.commands.wrappers.GMFtoEMFCommandWrapper.execute(GMFtoEMFCommandWrapper.java:118)
	at org.eclipse.emf.workspace.EMFCommandOperation.doExecute(EMFCommandOperation.java:119)
	at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:150)
	at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:513)
	at org.eclipse.papyrus.commands.CheckedOperationHistory.execute(CheckedOperationHistory.java:182)
	at org.eclipse.emf.workspace.impl.WorkspaceCommandStackImpl.doExecute(WorkspaceCommandStackImpl.java:208)
	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.modelexplorer.handler.AbstractCommandHandler.execute(AbstractCommandHandler.java:161)
	at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
	at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241)
	at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241)
	at org.eclipse.ui.menus.CommandContributionItem.handleWidgetSelection(CommandContributionItem.java:829)
	at org.eclipse.ui.menus.CommandContributionItem.access$19(CommandContributionItem.java:815)
	at org.eclipse.ui.menus.CommandContributionItem$5.handleEvent(CommandContributionItem.java:805)
	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)