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Eclipse Xtext™ is a language development framework
http://www.eclipse.org/Xtext
Eclipse Public License 2.0
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UnsupportedOperationException when closing Eclipse early #2355

Open stadlerb opened 8 years ago

stadlerb commented 8 years ago

On Xtext master, I get the following message using the following steps:

  1. Open a large Xtend file
  2. Re-start Eclipse
  3. Shortly after the editor with the Xtend is automatically re-opened (i.e. when "Initializing Outline" is displayed), close Eclipse

Example project attached: xtext-extras-29.zip

1    [Worker-0] ERROR org.eclipse.xtext.xbase.resource.BatchLinkableResource  - resolution of uriFragment '|79' failed.
java.lang.UnsupportedOperationException: TODO: import a functional handle on the type resolution that delegates to the best available (current, but evolving) result
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.reentrantResolve(DefaultReentrantTypeResolver.java:133)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:108)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:161)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getActualType(CompoundReentrantTypeResolver.java:153)
    at org.eclipse.xtext.xbase.typesystem.internal.ForwardingResolvedTypes.getActualType(ForwardingResolvedTypes.java:40)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypReferenceWithAnotherTypeReference(LogicalContainerAwareReentrantTypeResolver.java:200)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypeReference(LogicalContainerAwareReentrantTypeResolver.java:192)
    at org.eclipse.xtext.xbase.typesystem.util.AbstractReentrantTypeReferenceProvider.getTypeReference(AbstractReentrantTypeReferenceProvider.java:28)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.getEquivalent(XComputedTypeReferenceImplCustom.java:46)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:165)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:1)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.accept(XComputedTypeReferenceImplCustom.java:27)
    at org.eclipse.xtext.common.types.util.AbstractTypeReferenceVisitor.visit(AbstractTypeReferenceVisitor.java:34)
    at org.eclipse.xtext.common.types.util.AbstractTypeReferenceVisitor.doVisitSpecializedTypeReference(AbstractTypeReferenceVisitor.java:50)
    at org.eclipse.xtext.xtype.util.AbstractXtypeReferenceVisitor.doVisitComputedTypeReference(AbstractXtypeReferenceVisitor.java:26)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:168)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:1)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.accept(XComputedTypeReferenceImplCustom.java:27)
    at org.eclipse.xtext.common.types.util.AbstractTypeReferenceVisitor.visit(AbstractTypeReferenceVisitor.java:34)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.toLightweightReference(LightweightTypeReferenceFactory.java:83)
    at org.eclipse.xtext.xbase.typesystem.references.StandardTypeReferenceOwner.toLightweightTypeReference(StandardTypeReferenceOwner.java:117)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetDeclaredType(ResolvedTypes.java:994)
    at org.eclipse.xtext.xbase.typesystem.internal.StackedResolvedTypes.doGetDeclaredType(StackedResolvedTypes.java:279)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetActualType(ResolvedTypes.java:957)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.getActualType(ResolvedTypes.java:945)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.getDeclaredType(AbstractLinkingCandidate.java:610)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.getDeclaredType(ResolvedFeature.java:276)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.applyToComputationState(AbstractLinkingCandidate.java:288)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.applyToComputationState(ResolvedFeature.java:121)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1036)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:99)
    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:121)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:109)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.resolveArgumentType(AbstractLinkingCandidate.java:627)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.resolveArgumentType(ResolvedFeature.java:187)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.computeFixedArityArgumentType(AbstractLinkingCandidate.java:579)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.computeArgumentType(AbstractLinkingCandidate.java:443)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.computeArgumentTypes(AbstractLinkingCandidate.java:430)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.preApply(AbstractLinkingCandidate.java:378)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.applyToComputationState(AbstractLinkingCandidate.java:286)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.applyToComputationState(ResolvedFeature.java:121)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1036)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:99)
    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:121)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:109)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:460)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:105)
    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:121)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:109)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractRootTypeComputationState.computeTypes(AbstractRootTypeComputationState.java:32)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver._computeTypes(DefaultReentrantTypeResolver.java:197)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.computeTypes(DefaultReentrantTypeResolver.java:189)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver.computeTypes(LogicalContainerAwareReentrantTypeResolver.java:728)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeDanglingExpressionType(XtendReentrantTypeResolver.java:447)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:430)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:403)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:390)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:380)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.resolve(DefaultReentrantTypeResolver.java:163)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.reentrantResolve(DefaultReentrantTypeResolver.java:139)
    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:69)
    at org.eclipse.xtext.xbase.resource.BatchLinkingService.resolveBatched(BatchLinkingService.java:60)
    at org.eclipse.xtext.xbase.resource.BatchLinkingService.resolveBatched(BatchLinkingService.java:41)
    at org.eclipse.xtext.xbase.resource.BatchLinkableResource.getEObject(BatchLinkableResource.java:117)
    at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getEObject(ResourceSetImpl.java:223)
    at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:199)
    at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:259)
    at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eResolveProxy(BasicEObjectImpl.java:1477)
    at org.eclipse.xtext.xbase.impl.XAbstractFeatureCallImplCustom.getFeature(XAbstractFeatureCallImplCustom.java:48)
    at org.eclipse.xtext.xbase.impl.XAbstractFeatureCallImplCustom.ensureFeatureLinked(XAbstractFeatureCallImplCustom.java:135)
    at org.eclipse.xtext.xbase.impl.XFeatureCallImplCustom.isPackageFragment(XFeatureCallImplCustom.java:54)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:99)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:206)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:206)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:212)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:206)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:206)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findReferences(ReferenceFinder.java:139)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findReferences(ReferenceFinder.java:125)
    at org.eclipse.xtext.ui.editor.occurrences.DefaultOccurrenceComputer$1.exec(DefaultOccurrenceComputer.java:139)
    at org.eclipse.xtext.ui.editor.occurrences.DefaultOccurrenceComputer$1.exec(DefaultOccurrenceComputer.java:1)
    at org.eclipse.xtext.util.concurrent.CancelableUnitOfWork.exec(CancelableUnitOfWork.java:26)
    at org.eclipse.xtext.resource.OutdatedStateManager.exec(OutdatedStateManager.java:92)
    at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.internalReadOnly(XtextDocument.java:520)
    at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.readOnly(XtextDocument.java:492)
    at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:133)
    at org.eclipse.xtext.ui.editor.occurrences.DefaultOccurrenceComputer.createAnnotationMap(DefaultOccurrenceComputer.java:102)
    at org.eclipse.xtext.ui.editor.occurrences.OccurrenceMarker$MarkOccurrenceJob.run(OccurrenceMarker.java:123)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

!ENTRY org.apache.log4j 4 0 2016-08-03 11:34:00.830
!MESSAGE org.eclipse.xtext.xbase.resource.BatchLinkableResource  - resolution of uriFragment '|79' failed.

!STACK 0
java.lang.UnsupportedOperationException: TODO: import a functional handle on the type resolution that delegates to the best available (current, but evolving) result
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.reentrantResolve(DefaultReentrantTypeResolver.java:133)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:108)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:161)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getActualType(CompoundReentrantTypeResolver.java:153)
    at org.eclipse.xtext.xbase.typesystem.internal.ForwardingResolvedTypes.getActualType(ForwardingResolvedTypes.java:40)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypReferenceWithAnotherTypeReference(LogicalContainerAwareReentrantTypeResolver.java:200)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypeReference(LogicalContainerAwareReentrantTypeResolver.java:192)
    at org.eclipse.xtext.xbase.typesystem.util.AbstractReentrantTypeReferenceProvider.getTypeReference(AbstractReentrantTypeReferenceProvider.java:28)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.getEquivalent(XComputedTypeReferenceImplCustom.java:46)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:165)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:1)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.accept(XComputedTypeReferenceImplCustom.java:27)
    at org.eclipse.xtext.common.types.util.AbstractTypeReferenceVisitor.visit(AbstractTypeReferenceVisitor.java:34)
    at org.eclipse.xtext.common.types.util.AbstractTypeReferenceVisitor.doVisitSpecializedTypeReference(AbstractTypeReferenceVisitor.java:50)
    at org.eclipse.xtext.xtype.util.AbstractXtypeReferenceVisitor.doVisitComputedTypeReference(AbstractXtypeReferenceVisitor.java:26)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:168)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:1)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.accept(XComputedTypeReferenceImplCustom.java:27)
    at org.eclipse.xtext.common.types.util.AbstractTypeReferenceVisitor.visit(AbstractTypeReferenceVisitor.java:34)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.toLightweightReference(LightweightTypeReferenceFactory.java:83)
    at org.eclipse.xtext.xbase.typesystem.references.StandardTypeReferenceOwner.toLightweightTypeReference(StandardTypeReferenceOwner.java:117)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetDeclaredType(ResolvedTypes.java:994)
    at org.eclipse.xtext.xbase.typesystem.internal.StackedResolvedTypes.doGetDeclaredType(StackedResolvedTypes.java:279)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetActualType(ResolvedTypes.java:957)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.getActualType(ResolvedTypes.java:945)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.getDeclaredType(AbstractLinkingCandidate.java:610)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.getDeclaredType(ResolvedFeature.java:276)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.applyToComputationState(AbstractLinkingCandidate.java:288)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.applyToComputationState(ResolvedFeature.java:121)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1036)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:99)
    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:121)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:109)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.resolveArgumentType(AbstractLinkingCandidate.java:627)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.resolveArgumentType(ResolvedFeature.java:187)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.computeFixedArityArgumentType(AbstractLinkingCandidate.java:579)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.computeArgumentType(AbstractLinkingCandidate.java:443)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.computeArgumentTypes(AbstractLinkingCandidate.java:430)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.preApply(AbstractLinkingCandidate.java:378)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.applyToComputationState(AbstractLinkingCandidate.java:286)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.applyToComputationState(ResolvedFeature.java:121)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1036)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:99)
    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:121)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:109)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:460)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:105)
    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:121)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:109)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractRootTypeComputationState.computeTypes(AbstractRootTypeComputationState.java:32)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver._computeTypes(DefaultReentrantTypeResolver.java:197)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.computeTypes(DefaultReentrantTypeResolver.java:189)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver.computeTypes(LogicalContainerAwareReentrantTypeResolver.java:728)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeDanglingExpressionType(XtendReentrantTypeResolver.java:447)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:430)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:403)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:390)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:380)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.resolve(DefaultReentrantTypeResolver.java:163)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.reentrantResolve(DefaultReentrantTypeResolver.java:139)
    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:69)
    at org.eclipse.xtext.xbase.resource.BatchLinkingService.resolveBatched(BatchLinkingService.java:60)
    at org.eclipse.xtext.xbase.resource.BatchLinkingService.resolveBatched(BatchLinkingService.java:41)
    at org.eclipse.xtext.xbase.resource.BatchLinkableResource.getEObject(BatchLinkableResource.java:117)
    at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getEObject(ResourceSetImpl.java:223)
    at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:199)
    at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:259)
    at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eResolveProxy(BasicEObjectImpl.java:1477)
    at org.eclipse.xtext.xbase.impl.XAbstractFeatureCallImplCustom.getFeature(XAbstractFeatureCallImplCustom.java:48)
    at org.eclipse.xtext.xbase.impl.XAbstractFeatureCallImplCustom.ensureFeatureLinked(XAbstractFeatureCallImplCustom.java:135)
    at org.eclipse.xtext.xbase.impl.XFeatureCallImplCustom.isPackageFragment(XFeatureCallImplCustom.java:54)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:99)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:206)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:206)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:212)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:206)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:206)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findReferences(ReferenceFinder.java:139)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findReferences(ReferenceFinder.java:125)
    at org.eclipse.xtext.ui.editor.occurrences.DefaultOccurrenceComputer$1.exec(DefaultOccurrenceComputer.java:139)
    at org.eclipse.xtext.ui.editor.occurrences.DefaultOccurrenceComputer$1.exec(DefaultOccurrenceComputer.java:1)
    at org.eclipse.xtext.util.concurrent.CancelableUnitOfWork.exec(CancelableUnitOfWork.java:26)
    at org.eclipse.xtext.resource.OutdatedStateManager.exec(OutdatedStateManager.java:92)
    at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.internalReadOnly(XtextDocument.java:520)
    at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.readOnly(XtextDocument.java:492)
    at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:133)
    at org.eclipse.xtext.ui.editor.occurrences.DefaultOccurrenceComputer.createAnnotationMap(DefaultOccurrenceComputer.java:102)
    at org.eclipse.xtext.ui.editor.occurrences.OccurrenceMarker$MarkOccurrenceJob.run(OccurrenceMarker.java:123)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

!ENTRY org.eclipse.core.jobs 4 2 2016-08-03 11:34:01.358
!MESSAGE An internal error occurred during: "Mark Occurrences".
!STACK 0
java.lang.UnsupportedOperationException: TODO: import a functional handle on the type resolution that delegates to the best available (current, but evolving) result
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.reentrantResolve(DefaultReentrantTypeResolver.java:133)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:108)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:161)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getActualType(CompoundReentrantTypeResolver.java:153)
    at org.eclipse.xtext.xbase.typesystem.internal.ForwardingResolvedTypes.getActualType(ForwardingResolvedTypes.java:40)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypReferenceWithAnotherTypeReference(LogicalContainerAwareReentrantTypeResolver.java:200)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypeReference(LogicalContainerAwareReentrantTypeResolver.java:192)
    at org.eclipse.xtext.xbase.typesystem.util.AbstractReentrantTypeReferenceProvider.getTypeReference(AbstractReentrantTypeReferenceProvider.java:28)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.getEquivalent(XComputedTypeReferenceImplCustom.java:46)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:165)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:1)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.accept(XComputedTypeReferenceImplCustom.java:27)
    at org.eclipse.xtext.common.types.util.AbstractTypeReferenceVisitor.visit(AbstractTypeReferenceVisitor.java:34)
    at org.eclipse.xtext.common.types.util.AbstractTypeReferenceVisitor.doVisitSpecializedTypeReference(AbstractTypeReferenceVisitor.java:50)
    at org.eclipse.xtext.xtype.util.AbstractXtypeReferenceVisitor.doVisitComputedTypeReference(AbstractXtypeReferenceVisitor.java:26)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:168)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.doVisitComputedTypeReference(LightweightTypeReferenceFactory.java:1)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.accept(XComputedTypeReferenceImplCustom.java:27)
    at org.eclipse.xtext.common.types.util.AbstractTypeReferenceVisitor.visit(AbstractTypeReferenceVisitor.java:34)
    at org.eclipse.xtext.xbase.typesystem.references.LightweightTypeReferenceFactory.toLightweightReference(LightweightTypeReferenceFactory.java:83)
    at org.eclipse.xtext.xbase.typesystem.references.StandardTypeReferenceOwner.toLightweightTypeReference(StandardTypeReferenceOwner.java:117)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetDeclaredType(ResolvedTypes.java:994)
    at org.eclipse.xtext.xbase.typesystem.internal.StackedResolvedTypes.doGetDeclaredType(StackedResolvedTypes.java:279)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetActualType(ResolvedTypes.java:957)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.getActualType(ResolvedTypes.java:945)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.getDeclaredType(AbstractLinkingCandidate.java:610)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.getDeclaredType(ResolvedFeature.java:276)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.applyToComputationState(AbstractLinkingCandidate.java:288)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.applyToComputationState(ResolvedFeature.java:121)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1036)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:99)
    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:121)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:109)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.resolveArgumentType(AbstractLinkingCandidate.java:627)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.resolveArgumentType(ResolvedFeature.java:187)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.computeFixedArityArgumentType(AbstractLinkingCandidate.java:579)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.computeArgumentType(AbstractLinkingCandidate.java:443)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.computeArgumentTypes(AbstractLinkingCandidate.java:430)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.preApply(AbstractLinkingCandidate.java:378)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractLinkingCandidate.applyToComputationState(AbstractLinkingCandidate.java:286)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedFeature.applyToComputationState(ResolvedFeature.java:121)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1036)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:99)
    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:121)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:109)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:460)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:105)
    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:121)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:109)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractRootTypeComputationState.computeTypes(AbstractRootTypeComputationState.java:32)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver._computeTypes(DefaultReentrantTypeResolver.java:197)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.computeTypes(DefaultReentrantTypeResolver.java:189)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver.computeTypes(LogicalContainerAwareReentrantTypeResolver.java:728)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeDanglingExpressionType(XtendReentrantTypeResolver.java:447)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:430)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:403)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:390)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:380)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.resolve(DefaultReentrantTypeResolver.java:163)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.reentrantResolve(DefaultReentrantTypeResolver.java:139)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:108)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:161)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getActualType(CompoundReentrantTypeResolver.java:153)
    at org.eclipse.xtext.xbase.typesystem.internal.ForwardingResolvedTypes.getActualType(ForwardingResolvedTypes.java:40)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypReferenceWithAnotherTypeReference(LogicalContainerAwareReentrantTypeResolver.java:200)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypeReference(LogicalContainerAwareReentrantTypeResolver.java:192)
    at org.eclipse.xtext.xbase.typesystem.util.AbstractReentrantTypeReferenceProvider.getTypeReference(AbstractReentrantTypeReferenceProvider.java:28)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImplCustom.getEquivalent(XComputedTypeReferenceImplCustom.java:46)
    at org.eclipse.xtext.common.types.impl.JvmSpecializedTypeReferenceImpl.eGet(JvmSpecializedTypeReferenceImpl.java:143)
    at org.eclipse.xtext.xtype.impl.XComputedTypeReferenceImpl.eGet(XComputedTypeReferenceImpl.java:115)
    at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eGet(BasicEObjectImpl.java:1011)
    at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eGet(BasicEObjectImpl.java:1003)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:197)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:212)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:212)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findLocalReferencesFromElement(ReferenceFinder.java:206)
    at org.eclipse.xtend.core.findReferences.XtendReferenceFinder.findLocalReferencesFromElement(XtendReferenceFinder.java:105)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findReferences(ReferenceFinder.java:139)
    at org.eclipse.xtext.findReferences.ReferenceFinder.findReferences(ReferenceFinder.java:125)
    at org.eclipse.xtext.ui.editor.occurrences.DefaultOccurrenceComputer$1.exec(DefaultOccurrenceComputer.java:139)
    at org.eclipse.xtext.ui.editor.occurrences.DefaultOccurrenceComputer$1.exec(DefaultOccurrenceComputer.java:1)
    at org.eclipse.xtext.util.concurrent.CancelableUnitOfWork.exec(CancelableUnitOfWork.java:26)
    at org.eclipse.xtext.resource.OutdatedStateManager.exec(OutdatedStateManager.java:92)
    at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.internalReadOnly(XtextDocument.java:520)
    at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.readOnly(XtextDocument.java:492)
    at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:133)
    at org.eclipse.xtext.ui.editor.occurrences.DefaultOccurrenceComputer.createAnnotationMap(DefaultOccurrenceComputer.java:102)
    at org.eclipse.xtext.ui.editor.occurrences.OccurrenceMarker$MarkOccurrenceJob.run(OccurrenceMarker.java:123)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
spoenemann commented 7 years ago

Contributions are welcome!