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The following incident was reported via the automated error reporting: code: 0 plugin: org.apache.log4j_1.2.15.v201012070815 message: org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy - Error post-processing resource fingerprint: 6958ba7b exception class: java.lang.IllegalStateException exception message: Cannot expression O & BaseOptions as Java type reference number of children: 0 java.lang.IllegalStateException: Cannot expression O & BaseOptions as Java type reference at org.eclipse.xtext.xbase.typesystem.references.CompoundTypeReference.toJavaType(CompoundTypeReference.java:399) at org.eclipse.xtext.xbase.typesystem.internal.FeatureLinkHelper.getExpectedReceiverType(FeatureLinkHelper.java:111) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState$5.applyToComputationState(AbstractTypeComputationState.java:520) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1012) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:96) at org.eclipse.xtext.xbase.annotations.typesystem.XbaseWithAnnotationsTypeComputer.computeTypes(XbaseWithAnnotationsTypeComputer.java:46) at org.eclipse.xtend.core.typesystem.XtendTypeComputer.computeTypes(XtendTypeComputer.java:64) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.doComputeTypes(AbstractTypeComputationState.java:123) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState$1.getActualType(AbstractTypeComputationState.java:405) at org.eclipse.xtext.xbase.scoping.batch.FeatureScopes.createFeatureCallScopeForReceiver(FeatureScopes.java:215) at org.eclipse.xtext.xbase.scoping.batch.FeatureScopes.createFeatureCallScope(FeatureScopes.java:92) at org.eclipse.xtext.xbase.scoping.batch.AbstractFeatureScopeSession.createFeatureCallScope(AbstractFeatureScopeSession.java:177) at org.eclipse.xtext.xbase.scoping.batch.AbstractFeatureScopeSession.getScope(AbstractFeatureScopeSession.java:48) at org.eclipse.xtext.xbase.typesystem.internal.ScopeProviderAccess.getCandidateDescriptions(ScopeProviderAccess.java:142) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.getLinkingCandidates(AbstractTypeComputationState.java:411) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1007) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:96) at org.eclipse.xtext.xbase.annotations.typesystem.XbaseWithAnnotationsTypeComputer.computeTypes(XbaseWithAnnotationsTypeComputer.java:46) at org.eclipse.xtend.core.typesystem.XtendTypeComputer.computeTypes(XtendTypeComputer.java:64) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.doComputeTypes(AbstractTypeComputationState.java:123) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:443) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:102) at org.eclipse.xtext.xbase.annotations.typesystem.XbaseWithAnnotationsTypeComputer.computeTypes(XbaseWithAnnotationsTypeComputer.java:46) at org.eclipse.xtend.core.typesystem.XtendTypeComputer.computeTypes(XtendTypeComputer.java:64) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.doComputeTypes(AbstractTypeComputationState.java:123) at org.eclipse.xtext.xbase.typesystem.internal.ExpressionTypeComputationState$ExpressionAwareTypeCheckpointComputationState.doComputeTypes(ExpressionTypeComputationState.java:34) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:243) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:116) at org.eclipse.xtext.xbase.annotations.typesystem.XbaseWithAnnotationsTypeComputer.computeTypes(XbaseWithAnnotationsTypeComputer.java:46) at org.eclipse.xtend.core.typesystem.XtendTypeComputer.computeTypes(XtendTypeComputer.java:64) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.doComputeTypes(AbstractTypeComputationState.java:123) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:453) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:102) at org.eclipse.xtext.xbase.annotations.typesystem.XbaseWithAnnotationsTypeComputer.computeTypes(XbaseWithAnnotationsTypeComputer.java:46) at org.eclipse.xtend.core.typesystem.XtendTypeComputer.computeTypes(XtendTypeComputer.java:64) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.doComputeTypes(AbstractTypeComputationState.java:123) at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111) at org.eclipse.xtext.xbase.typesystem.internal.AbstractRootTypeComputationState.computeTypes(AbstractRootTypeComputationState.java:32) at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver._computeTypes(LogicalContainerAwareReentrantTypeResolver.java:749) at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver.computeTypes(LogicalContainerAwareReentrantTypeResolver.java:690) at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver.computeMemberTypes(LogicalContainerAwareReentrantTypeResolver.java:862) at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver._computeTypes(LogicalContainerAwareReentrantTypeResolver.java:851) at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver.computeTypes(LogicalContainerAwareReentrantTypeResolver.java:688) at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver.computeTypes(LogicalContainerAwareReentrantTypeResolver.java:680) at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:346) at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.resolve(DefaultReentrantTypeResolver.java:165) at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.reentrantResolve(DefaultReentrantTypeResolver.java:140) at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.reentrantResolve(CompoundReentrantTypeResolver.java:79) at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver$LazyResolvedTypes.resolveTypes(CachingBatchTypeResolver.java:80) at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver$2.process(CachingBatchTypeResolver.java:57) at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver$2.process(CachingBatchTypeResolver.java:1) at org.eclipse.xtext.util.concurrent.IUnitOfWork$Void.exec(IUnitOfWork.java:37) at org.eclipse.xtext.util.OnChangeEvictingCache.execWithoutCacheClear(OnChangeEvictingCache.java:129) at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver.doResolveTypes(CachingBatchTypeResolver.java:53) at org.eclipse.xtext.xbase.typesystem.internal.AbstractBatchTypeResolver.resolveTypes(AbstractBatchTypeResolver.java:70) at org.eclipse.xtext.xbase.resource.BatchLinkingService.resolveBatched(BatchLinkingService.java:64) at org.eclipse.xtext.xbase.resource.BatchLinkableResource.resolveLazyCrossReferences(BatchLinkableResource.java:156) at org.eclipse.xtext.EcoreUtil2.resolveLazyCrossReferences(EcoreUtil2.java:522) at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.postParse(XtextDocumentReconcileStrategy.java:174) at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.doReconcile(XtextDocumentReconcileStrategy.java:152) at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.reconcile(XtextDocumentReconcileStrategy.java:66) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler.doRun(XtextReconciler.java:447) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler.access$3(XtextReconciler.java:427) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$DocumentListener$1.exec(XtextReconciler.java:138) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$DocumentListener$1.exec(XtextReconciler.java:1) at org.eclipse.xtext.resource.OutdatedStateManager.exec(OutdatedStateManager.java:121) at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.modify(XtextDocument.java:419) at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.process(XtextDocument.java:328) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$DocumentListener.performNecessaryUpdates(XtextReconciler.java:135) at org.eclipse.xtext.ui.editor.model.XtextDocument.updateContentBeforeRead(XtextDocument.java:240) at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.internalReadOnly(XtextDocument.java:501) at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.priorityReadOnly(XtextDocument.java:468) at org.eclipse.xtext.ui.editor.model.XtextDocument.priorityReadOnly(XtextDocument.java:133) at org.eclipse.xtext.ui.editor.contentassist.RepeatedContentAssistProcessor.computeCompletionProposals(RepeatedContentAssistProcessor.java:111) at org.eclipse.xtext.ui.editor.contentassist.RepeatedContentAssistProcessor.computeCompletionProposals(RepeatedContentAssistProcessor.java:80) at org.eclipse.jface.text.contentassist.ContentAssistant$5.run(ContentAssistant.java:1904) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1902) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:573) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$16(CompletionProposalPopup.java:570) at org.eclipse.jface.text.contentassist.CompletionProposalPopup$2.run(CompletionProposalPopup.java:505) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:499) at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1720) at org.eclipse.xtend.ide.editor.RichStringAwareSourceViewer.doOperation(RichStringAwareSourceViewer.java:257) at org.eclipse.ui.texteditor.ContentAssistAction$1.run(ContentAssistAction.java:82) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.texteditor.ContentAssistAction.run(ContentAssistAction.java:80) at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:122) at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90) at sun.reflect.GeneratedMethodAccessor162.invoke(null:-1) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:247) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:229) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132) at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:149) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508) at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:286) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:507) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:558) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:378) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:324) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:86) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1262) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1060) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1070) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1112) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1108) at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1529) at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4764) at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:343) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4645) at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:339) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5042) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(OS.java:-2) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2549) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:648) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:592) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138) 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(NativeMethodAccessorImpl.java:-2) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) General Information: reported-by: anonymous-id: e7d39fe7-ed4a-4bfe-bab5-664ff32753df eclipse-build-id: 4.5.0.I20150203-1300 eclipse-product: org.eclipse.epp.package.rcp.product operating system: Windows7 6.1.0 (x86_64) - win32 jre-version: 1.8.0_20-b26 The following plug-ins were present on the execution stack (*): 1. org.eclipse.core.commands_3.6.100.v20141026-0121 2. org.eclipse.core.databinding.observable_1.4.1.v20140910-2107 3. org.eclipse.core.databinding_1.4.100.v20141002-1314 4. org.eclipse.core.runtime_3.10.0.v20150112-1422 5. org.eclipse.e4.core.commands_0.10.2.v20140424-2344 6. org.eclipse.e4.core.contexts_1.3.100.v20140407-1019 7. org.eclipse.e4.core.di_1.4.0.v20140813-2240 8. org.eclipse.e4.ui.bindings_0.10.200.v20140424-2042 9. org.eclipse.e4.ui.workbench_1.3.0.v20150113-2327 10. org.eclipse.e4.ui.workbench.swt_0.12.100.v20150114-0905 11. org.eclipse.equinox.app_1.3.200.v20130910-1609 12. org.eclipse.equinox.launcher_1.3.0.v20140415-2008 13. org.eclipse.jface_3.11.0.v20150121-1751 14. org.eclipse.jface.text_3.10.0.v20150112-1146 15. org.eclipse.swt_3.104.0.v20150203-2243 16. org.eclipse.ui_3.107.0.v20150107-0903 17. org.eclipse.ui.ide.application_1.0.600.v20150120-1542 18. org.eclipse.ui.ide_3.10.100.v20150126-1117 19. org.eclipse.xtend.core_2.8.0.v201502030924 20. org.eclipse.xtend_2.1.0.v201502030723 21. org.eclipse.xtend.ide_2.8.0.v201502030924 22. org.eclipse.xtext_2.8.0.v201502030924 23. org.eclipse.xtext.ui_2.8.0.v201502030924 24. org.eclipse.xtext.util_2.8.0.v201502030924 25. org.eclipse.xtext.xbase_2.8.0.v201502030924 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/54f4c098e4b088eb70c1f129 * Manual: https://dev.eclipse.org/recommenders/community/confess/#/guide Thank you for your assistance. Your friendly error-reports-inbox.
How can we reproduce the exception. You don't happen to have the offending Xtend code at hand?
occurred as java.lang.IllegalStateException: Cannot expression AddArticle & UpdateArticle as Java type reference at org.eclipse.xtext.xbase.typesystem.references.CompoundTypeReference.toJavaType(CompoundTypeReference.java:410) at org.eclipse.xtext.xbase.typesystem.internal.FeatureLinkHelper.getExpectedReceiverType(FeatureLinkHelper.java:111) at org.eclipse.xtext.xbase.typesystem.internal.FeatureLinkingCandidate.applyImplicitReceiver(FeatureLinkingCandidate.java:914) at org.eclipse.xtext.xbase.typesystem.internal.FeatureLinkingCandidate.preApply(FeatureLinkingCandidate.java:895) at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.applyToComputationState(AbstractLinkingCandidate.java:286) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1091) at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:100) at org.eclipse.xtext.xbase.annotations.typesystem.XbaseWithAnnotationsTypeComputer.computeTypes(XbaseWithAnnotationsTypeComputer.java:46) at org.eclipse.xtend.core.typesystem.XtendTypeComputer.computeTypes(XtendTypeComputer.java:64)
(In reply to Christian Dietrich from comment #2) > occurred as > > java.lang.IllegalStateException: Cannot expression AddArticle & > UpdateArticle as Java type reference @Christian @Sebastian Was it somehow possible to reproduce the issue? What could cause it?
