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(This bug may be occurs in other diagrams) Steps to reproduce: 1- create a profile diagram 2- create a stereotype 3- create a property inside the stereotype There will be an Unhandled event loop exception: java.lang.IllegalArgumentException: An EditPart has to be selectable (isSelectable() == true) in order to get selected. at org.eclipse.core.runtime.Assert.isLegal(Assert.java:63) at org.eclipse.gef.editparts.AbstractEditPart.setSelected(AbstractEditPart.java:1060) at org.eclipse.gef.SelectionManager.setSelection(SelectionManager.java:273) at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setSelection(AbstractEditPartViewer.java:751) at org.eclipse.gmf.runtime.diagram.ui.tools.CreationTool.selectAddedObject(CreationTool.java:158) at org.eclipse.papyrus.diagram.common.service.AspectUnspecifiedTypeCreationTool.performCreation(AspectUnspecifiedTypeCreationTool.java:132) at org.eclipse.gef.tools.CreationTool.handleButtonUp(CreationTool.java:189) at org.eclipse.gef.tools.AbstractTool.mouseUp(AbstractTool.java:1200) at org.eclipse.gef.EditDomain.mouseUp(EditDomain.java:301) at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouseReleased(DomainEventDispatcher.java:380) at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseUp(LightweightSystem.java:548) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:219) 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) at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
This probably not specific to this diagram or this creation action, the same exception has been report in several situations: https://bugs.eclipse.org/bugs/show_bug.cgi?id=350884, https://bugs.eclipse.org/bugs/show_bug.cgi?id=348549. No precise idea were this possibly comes from...
I can't reproduce this bug. I close it.
