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Steps: 1. Create a model with a class and a sub-package 2. Remove sub-package java.lang.NullPointerException at org.eclipse.emf.ecore.resource.impl.ResourceImpl.getEObject(ResourceImpl.java:740) at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getEObject(ResourceSetImpl.java:219) at org.eclipse.mylyn.modeling.emf.EmfStructureBridge.getDomainObjectForHandle(EmfStructureBridge.java:137) at org.eclipse.mylyn.modeling.emf.EmfStructureBridge.getChildHandles(EmfStructureBridge.java:155) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.manipulateInterestForElementHelper(InteractionContextManager.java:1011) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.manipulateInterestForElements(InteractionContextManager.java:930) at org.eclipse.mylyn.internal.context.ui.actions.AbstractInterestManipulationAction.run(AbstractInterestManipulationAction.java:105) at org.eclipse.mylyn.internal.modeling.gmf.ui.RemoveModelFromContextAction.run(RemoveModelFromContextAction.java:41) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3588) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209) 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(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) 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)
Created attachment 203532 [details] model
Steffen, I'm not able to reproduce this, but it's likely that I'm just not following the right steps -- or perhaps inadvertently fixed it. How did you delete the package element?
I think I used the context menu in the Project Explorer. Should I try again with the latest build?
(In reply to comment #3) > I think I used the context menu in the Project Explorer. Should I try again with > the latest build? Please, because I don't think it's possible to remove elements that way. :) Ecore tools supports browsing capabilities only, not editing in the project explorer.
Also, I'm noticing something else broken with the context menu so it's likely you won't be able to use it at all anyway. And also.. note that Papyrus breaks ecore tools bug 357296 so you'd need to be running without the papyrus plugins active.
OK, I've finally been able to reproduce this -- I was totally misunderstanding and thought you were referring to remove the element itself, not the interest.
OK, I think I finally squashed this. And I've got it under testing as well! (Not all of the UI part, but at least the relevant context mechanics.)
