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What steps will reproduce the problem? 1. Create a combined fragment 2. Delete the operand on the model explorer -- Error Details -- Date: Fri Jul 02 10:38:24 CEST 2010 Message: An internal error has occurred. Severity: Error Product: Eclipse 1.3.0.20100609-1425 (org.eclipse.epp.package.modeling.product) Plugin: org.eclipse.ui Exception Stack Trace: java.lang.ClassCastException: org.eclipse.uml2.uml.internal.impl.CombinedFragmentImpl at org.eclipse.papyrus.diagram.sequence.edit.commands.ContinuationCreateCommand.canExecute(ContinuationCreateCommand.java:96) at org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelper.getEditCommand(AbstractEditHelper.java:191) at org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelper.getEditCommand(AbstractEditHelper.java:137) at org.eclipse.gmf.runtime.emf.type.core.MetamodelType.getEditCommand(MetamodelType.java:107) at org.eclipse.papyrus.diagram.sequence.edit.policies.UMLBaseItemSemanticEditPolicy.getEditHelperCommand(UMLBaseItemSemanticEditPolicy.java:147) at org.eclipse.papyrus.diagram.sequence.edit.policies.UMLBaseItemSemanticEditPolicy.getSemanticCommand(UMLBaseItemSemanticEditPolicy.java:121) at org.eclipse.gmf.runtime.diagram.ui.editpolicies.SemanticEditPolicy.getCommand(SemanticEditPolicy.java:69) at org.eclipse.papyrus.diagram.sequence.edit.policies.UMLBaseItemSemanticEditPolicy.getCommand(UMLBaseItemSemanticEditPolicy.java:102) at org.eclipse.papyrus.diagram.sequence.edit.policies.InteractionOperandItemSemanticEditPolicy.getCommand(InteractionOperandItemSemanticEditPolicy.java:116) at org.eclipse.gef.editparts.AbstractEditPart.getCommand(AbstractEditPart.java:501) at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.access$1(GraphicalEditPart.java:1) at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart$1.run(GraphicalEditPart.java:482) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328) at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.getCommand(GraphicalEditPart.java:477) at org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy.getCreateElementAndViewCommand(CreationEditPolicy.java:340) at org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy.getCommand(CreationEditPolicy.java:87) at org.eclipse.gef.editparts.AbstractEditPart.getCommand(AbstractEditPart.java:501) at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.access$1(GraphicalEditPart.java:1) at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart$1.run(GraphicalEditPart.java:482) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328) at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.getCommand(GraphicalEditPart.java:477) at org.eclipse.gmf.runtime.diagram.ui.tools.PopupBarTool.getCommand(PopupBarTool.java:107) at org.eclipse.gmf.runtime.diagram.ui.tools.AbstractPopupBarTool.isCommandEnabled(AbstractPopupBarTool.java:98) at org.eclipse.gmf.runtime.diagram.ui.editpolicies.PopupBarEditPolicy$PopupBarLabelHandle.calculateEnabled(PopupBarEditPolicy.java:263) at org.eclipse.gmf.runtime.diagram.ui.editpolicies.PopupBarEditPolicy$PopupBarLabelHandle.<init>(PopupBarEditPolicy.java:170) at org.eclipse.gmf.runtime.diagram.ui.editpolicies.PopupBarEditPolicy.initPopupBars(PopupBarEditPolicy.java:780) at org.eclipse.gmf.runtime.diagram.ui.editpolicies.PopupBarEditPolicy.showDiagramAssistant(PopupBarEditPolicy.java:842) at org.eclipse.gmf.runtime.diagram.ui.editpolicies.DiagramAssistantEditPolicy$ShowDiagramAssistantJob.runInUIThread(DiagramAssistantEditPolicy.java:98) at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:95) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) 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
