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The following incident was reported via the automated error reporting: code: 0 plugin: org.eclipse.ui_3.107.0.v20150507-1945 message: HIDDEN fingerprint: a3f99d4a exception class: java.lang.ClassCastException exception message: HIDDEN number of children: 0 java.lang.ClassCastException: HIDDEN at org.eclipse.papyrus.uml.textedit.transition.xtext.ui.contributions.TransitionEditorConfigurationContribution.getTextToEdit(TransitionEditorConfigurationContribution.java:116) at org.eclipse.papyrus.uml.xtext.integration.DefaultXtextDirectEditorConfiguration.getTextToEditInternal(DefaultXtextDirectEditorConfiguration.java:191) at org.eclipse.papyrus.uml.xtext.integration.DefaultXtextDirectEditorConfiguration$2.getEditString(DefaultXtextDirectEditorConfiguration.java:128) at org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.TransitionGuardEditPart.getEditText(TransitionGuardEditPart.java:302) at org.eclipse.papyrus.uml.xtext.integration.XtextDirectEditManager.initCellEditor(XtextDirectEditManager.java:409) at org.eclipse.papyrus.uml.xtext.integration.DirectEditManagerEx.show(DirectEditManagerEx.java:438) at org.eclipse.papyrus.uml.xtext.integration.XtextDirectEditManager.show(XtextDirectEditManager.java:646) at org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.TransitionGuardEditPart$2.run(TransitionGuardEditPart.java:404) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.TransitionGuardEditPart.performDirectEdit(TransitionGuardEditPart.java:400) at org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.TransitionGuardEditPart$4.run(TransitionGuardEditPart.java:509) at org.eclipse.papyrus.infra.emf.readonly.PapyrusROTransactionalEditingDomain.runExclusive(PapyrusROTransactionalEditingDomain.java:270) at org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.TransitionGuardEditPart.initializeDirectEditManager(TransitionGuardEditPart.java:500) at org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.TransitionGuardEditPart.performDirectEditRequest(TransitionGuardEditPart.java:457) at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.performRequest(GraphicalEditPart.java:1119) at org.eclipse.papyrus.extensionpoints.editors.ui.OpenEmbeddedTextEditorObjectActionDelegate.run(OpenEmbeddedTextEditorObjectActionDelegate.java:108) at org.eclipse.papyrus.extensionpoints.editors.ui.DirectEditorsContributionItem$1.widgetSelected(DirectEditorsContributionItem.java:164) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3769) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:654) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235) at sun.reflect.NativeMethodAccessorImpl.invoke0(null:-2) at sun.reflect.NativeMethodAccessorImpl.invoke(null:-1) at sun.reflect.DelegatingMethodAccessorImpl.invoke(null:-1) at java.lang.reflect.Method.invoke(null:-1) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608) at org.eclipse.equinox.launcher.Main.run(Main.java:1515) General Information: reported-by: anonymous-id: db88b99c-fe41-4823-b4d8-a2c2b3626b68 eclipse-build-id: 4.5.0.I20150603-2000 eclipse-product: org.eclipse.epp.package.modeling.product operating system: Windows7 6.1.0 (x86_64) - win32 jre-version: 1.8.0_40-b26 The following plug-ins were present on the execution stack (*): 1. org.eclipse.core.databinding.observable_1.5.0.v20150422-0725 2. org.eclipse.core.databinding_1.5.0.v20150422-0725 3. org.eclipse.core.runtime_3.11.0.v20150405-1723 4. org.eclipse.e4.ui.workbench_1.3.0.v20150531-1948 5. org.eclipse.e4.ui.workbench.swt_0.13.0.v20150504-0621 6. org.eclipse.equinox.app_1.3.300.v20150423-1356 7. org.eclipse.equinox.launcher_1.3.100.v20150511-1540 8. org.eclipse.gmf.runtime.diagram.ui_1.8.0.201506060219 9. org.eclipse.gmf_1.9.0.201506060219 10. org.eclipse.papyrus.extensionpoints.editors_1.1.0.201506101814 11. org.eclipse.papyrus.infra.emf.readonly_1.1.0.201506101814 12. org.eclipse.papyrus.infra.emf_1.1.0.201506101814 13. org.eclipse.papyrus.uml.diagram.statemachine_1.1.0.201506101814 14. org.eclipse.papyrus.uml.textedit.transition.xtext.ui_1.1.0.201506101814 15. org.eclipse.papyrus.uml.textedit.transition.xtext_1.1.0.201506101814 16. org.eclipse.swt_3.104.0.v20150528-0211 17. org.eclipse.ui_3.107.0.v20150507-1945 18. org.eclipse.ui.ide.application_1.1.0.v20150422-0725 19. org.eclipse.ui.ide_3.11.0.v20150510-1749 Please note that: * Messages, stacktraces, and nested status objects may be shortened. * Bug fields like status, resolution, and whiteboard are sent back to reporters. * The list of present bundles and their respective versions was calculated by package naming heuristics. This may or may not reflect reality. Other Resources: * Report: https://dev.eclipse.org/recommenders/committers/confess/#/problems/55d65871e4b0f0b83a6e86e1 * Manual: https://dev.eclipse.org/recommenders/community/confess/#/guide Thank you for your assistance. Your friendly error-reports-inbox. This bug was created on behalf of camille.letavernier@xxxxxxxxxxxx.
I've done a quick fix in c193f23 on master, that should avoid the ClassCastException However, I'm not sure how to properly support the case where the ChangeEvent's specification is not an OpaqueExpression. Ansgar, can you please have a deeper look at this? The complete fix should also be backported to Mars
(In reply to Camille Letavernier from comment #1) > I've done a quick fix in c193f23 on master, that should avoid the > ClassCastException > > However, I'm not sure how to properly support the case where the > ChangeEvent's specification is not an OpaqueExpression. Ansgar, can you > please have a deeper look at this? > > The complete fix should also be backported to Mars In this fix, the textToEdit does not add any text to the body, if the specification is not an opaque expression. valueSpecification.stringValue() would give a useful result in case of a LiteralString. Note that the operation "getOrCreateChangeEvent" currently creates a new change event instead of using an existing one upon save, if the existing one does not contain an opaque expression (even, if the expression text has not changed).
