Description saadia dhouib 2010-10-08 06:18:18 EDT

When creating a requirement diagram with some requirements and decomposition links between them,
there an unhandled event loop exception error when selecting a requirement in the 
diagram:

java.lang.NullPointerException
	at org.eclipse.papyrus.diagram.clazz.custom.policies.NestedClazzCompartmentCreationEditPolicy.getReparentCommand(NestedClazzCompartmentCreationEditPolicy.java:84)
	at org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy.getReparentCommand(CreationEditPolicy.java:168)
	at org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy.getCommand(CreationEditPolicy.java:94)
	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.DragDropEditPolicy.getDropCommand(DragDropEditPolicy.java:112)
	at org.eclipse.gmf.runtime.diagram.ui.editpolicies.DiagramDragDropEditPolicy.getDropCommand(DiagramDragDropEditPolicy.java:151)
	at org.eclipse.gmf.runtime.diagram.ui.editpolicies.DragDropEditPolicy.getCommand(DragDropEditPolicy.java:75)
	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$1.run(GraphicalEditPart.java:482)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.getCommand(GraphicalEditPart.java:477)
	at org.eclipse.gmf.runtime.diagram.ui.tools.DragEditPartsTrackerEx.getCommand(DragEditPartsTrackerEx.java:63)
	at org.eclipse.gef.tools.DragEditPartsTracker.handleDragInProgress(DragEditPartsTracker.java:365)
	at org.eclipse.gmf.runtime.diagram.ui.tools.DragEditPartsTrackerEx.handleDragInProgress(DragEditPartsTrackerEx.java:177)
	at org.eclipse.gef.tools.AbstractTool.mouseDrag(AbstractTool.java:1120)
	at org.eclipse.gef.tools.SelectionTool.mouseDrag(SelectionTool.java:536)
	at org.eclipse.gef.EditDomain.mouseDrag(EditDomain.java:259)
	at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouseMoved(DomainEventDispatcher.java:363)
	at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseMove(LightweightSystem.java:543)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:205)
	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)