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Steps to reproduce : 1/Create an empty Model (left.uml) (without UML library import). Your model contains only the root Model 2/Apply 1 profile on the Model 3/Save as this model (right.uml) 4/Remove the ProfileApplication on right.uml 5/Do the comparison -> you get the following exception : java.lang.reflect.InvocationTargetException at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:421) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507) at org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog.run(ProgressMonitorJobsDialog.java:275) at org.eclipse.ui.internal.progress.ProgressManager$3.run(ProgressManager.java:960) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.progress.ProgressManager.busyCursorWhile(ProgressManager.java:995) at org.eclipse.ui.internal.progress.ProgressManager.busyCursorWhile(ProgressManager.java:970) at org.eclipse.papyrus.infra.emf.compare.common.editor.AbstractPapyrusCompareEditor.doContentCompare(AbstractPapyrusCompareEditor.java:139) at org.eclipse.papyrus.infra.emf.compare.common.editor.AbstractPapyrusCompareEditor.getCompareInput(AbstractPapyrusCompareEditor.java:193) at org.eclipse.papyrus.uml.compare.file.editor.CompareUMLFileEditor.init(CompareUMLFileEditor.java:207) at org.eclipse.ui.internal.EditorReference.initialize(EditorReference.java:324) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:288) 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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:857) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:837) at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:111) at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:318) at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:240) at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:161) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:102) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:71) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:53) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:141) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:888) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:622) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:724) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:695) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:689) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:674) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$1.handleEvent(PartServiceImpl.java:90) at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:41) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4687) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:187) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:38) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:81) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:57) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374) at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:171) at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:418) at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:385) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:578) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:314) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:962) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3071) at org.eclipse.ui.internal.WorkbenchPage.access$21(WorkbenchPage.java:2996) at org.eclipse.ui.internal.WorkbenchPage$8.run(WorkbenchPage.java:2978) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2974) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2933) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2924) at org.eclipse.papyrus.uml.compare.file.handler.CompareUMLFileHandler.execute(CompareUMLFileHandler.java:62) at org.eclipse.papyrus.uml.compare.file.handler.CompareUMLFileHandler.run(CompareUMLFileHandler.java:125) 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:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4169) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3758) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1021) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:915) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:585) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:540) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) 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:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) 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:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438) Caused by: java.lang.NullPointerException at org.eclipse.emf.compare.diff.engine.GenericDiffEngine.doDiffResourceSet(GenericDiffEngine.java:152) at org.eclipse.emf.compare.diff.engine.GenericDiffEngine.doDiff(GenericDiffEngine.java:127) at org.eclipse.emf.compare.diff.engine.GenericDiffEngine.doDiff(GenericDiffEngine.java:115) at org.eclipse.emf.compare.uml2.diff.UML2DiffEngine.doDiff(UML2DiffEngine.java:61) at org.eclipse.papyrus.uml.compare.diff.services.standalone.UMLStandaloneDiffEngine.doDiff(UMLStandaloneDiffEngine.java:42) at org.eclipse.papyrus.uml.compare.diff.services.standalone.UMLStandaloneDiffService.doDiff(UMLStandaloneDiffService.java:63) at org.eclipse.papyrus.uml.compare.file.editor.CompareUMLFileEditor.doDiff(CompareUMLFileEditor.java:327) at org.eclipse.papyrus.infra.emf.compare.common.editor.AbstractPapyrusCompareEditor$1.run(AbstractPapyrusCompareEditor.java:144) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121) Root exception: java.lang.NullPointerException at org.eclipse.emf.compare.diff.engine.GenericDiffEngine.doDiffResourceSet(GenericDiffEngine.java:152) at org.eclipse.emf.compare.diff.engine.GenericDiffEngine.doDiff(GenericDiffEngine.java:127) at org.eclipse.emf.compare.diff.engine.GenericDiffEngine.doDiff(GenericDiffEngine.java:115) at org.eclipse.emf.compare.uml2.diff.UML2DiffEngine.doDiff(UML2DiffEngine.java:61) at org.eclipse.papyrus.uml.compare.diff.services.standalone.UMLStandaloneDiffEngine.doDiff(UMLStandaloneDiffEngine.java:42) at org.eclipse.papyrus.uml.compare.diff.services.standalone.UMLStandaloneDiffService.doDiff(UMLStandaloneDiffService.java:63) at org.eclipse.papyrus.uml.compare.file.editor.CompareUMLFileEditor.doDiff(CompareUMLFileEditor.java:327) at org.eclipse.papyrus.infra.emf.compare.common.editor.AbstractPapyrusCompareEditor$1.run(AbstractPapyrusCompareEditor.java:144) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Corrected in R8550 In StandaloneMergeUtils.getMergeOptions, i replace options.put(MatchOptions.OPTION_MATCH_SCOPE_PROVIDER, new DefaultMatchScopeProvider(left, right)); by options.put(MatchOptions.OPTION_MATCH_SCOPE_PROVIDER, new DefaultMatchScopeProvider(left.eResource(), right.eResource())); This bug doesn't need specific JUnit tests, because it will be covered by the test for ProfileApplicationAddition. This bug can be marked as closed fixed
