Bug 467057 - UnsupportedOperationException in DefaultReentrantTypeResolver.reentrantResolve (134)
Summary: UnsupportedOperationException in DefaultReentrantTypeResolver.reentrantResolv...
Status: NEW
Alias: None
Product: TMF
Classification: Modeling
Component: Xtext Errors (show other bugs)
Version: 2.9.0   Edit
Hardware: All All
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Project Inbox CLA
QA Contact:
URL:
Whiteboard: Any idea how to reproduce this?
Keywords: needinfo
Depends on:
Blocks:
 
Reported: 2015-05-12 00:00 EDT by EPP Error Reports CLA
Modified: 2015-05-12 02:29 EDT (History)
1 user (show)

See Also:


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Description EPP Error Reports CLA 2015-05-12 00:00:07 EDT
The following incident was reported via the automated error reporting:


    code:                   0
    plugin:                 org.apache.log4j_1.2.15.v201012070815
    message:                org.eclipse.xtend.ide.editor.OverrideIndicatorModelListener  - Error updating override indicator
    fingerprint:            03d4b3ff
    exception class:        java.lang.UnsupportedOperationException
    exception message:      TODO: import a functional handle on the type resolution that delegates to the best available (current, but evolving) result
    number of children:     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:134)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:107)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getDelegate(CompoundReentrantTypeResolver.java:160)
    at org.eclipse.xtext.xbase.typesystem.internal.CompoundReentrantTypeResolver.getActualType(CompoundReentrantTypeResolver.java:152)
    at org.eclipse.xtext.xbase.typesystem.internal.ForwardingResolvedTypes.getActualType(ForwardingResolvedTypes.java:40)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypReferenceWithAnotherTypeReference(LogicalContainerAwareReentrantTypeResolver.java:193)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypeReference(LogicalContainerAwareReentrantTypeResolver.java:185)
    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:118)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetDeclaredType(ResolvedTypes.java:985)
    at org.eclipse.xtext.xbase.typesystem.internal.StackedResolvedTypes.doGetDeclaredType(StackedResolvedTypes.java:279)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetActualType(ResolvedTypes.java:948)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.getActualType(ResolvedTypes.java:936)
    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:1029)
    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:123)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.createResolvedLink(AbstractTypeComputationState.java:431)
    at org.eclipse.xtext.xbase.typesystem.internal.ExpressionTypeComputationState.createResolvedLink(ExpressionTypeComputationState.java:119)
    at org.eclipse.xtext.xbase.typesystem.internal.ScopeProviderAccess.getKnownFeature(ScopeProviderAccess.java:80)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.getLinkingCandidates(AbstractTypeComputationState.java:387)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1024)
    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:123)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111)
    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: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.DefaultReentrantTypeResolver._computeTypes(DefaultReentrantTypeResolver.java:199)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.computeTypes(DefaultReentrantTypeResolver.java:191)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver.computeTypes(LogicalContainerAwareReentrantTypeResolver.java:721)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeDanglingExpressionType(XtendReentrantTypeResolver.java:446)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:429)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:402)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:389)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:379)
    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:69)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractBatchTypeResolver.resolveTypes(AbstractBatchTypeResolver.java:55)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypReferenceWithAnotherTypeReference(LogicalContainerAwareReentrantTypeResolver.java:192)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver$DemandTypeReferenceProvider.doGetTypeReference(LogicalContainerAwareReentrantTypeResolver.java:185)
    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:118)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetDeclaredType(ResolvedTypes.java:985)
    at org.eclipse.xtext.xbase.typesystem.internal.StackedResolvedTypes.doGetDeclaredType(StackedResolvedTypes.java:279)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.doGetActualType(ResolvedTypes.java:948)
    at org.eclipse.xtext.xbase.typesystem.internal.ResolvedTypes.getActualType(ResolvedTypes.java:936)
    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:1029)
    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:123)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111)
    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:1020)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:97)
    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: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:123)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111)
    at org.eclipse.xtext.xbase.typesystem.computation.ClosureWithExpectationHelper.computeTypes(ClosureWithExpectationHelper.java:98)
    at org.eclipse.xtext.xbase.typesystem.computation.ClosureTypeComputer.computeTypes(ClosureTypeComputer.java:48)
    at org.eclipse.xtend.core.typesystem.XtendTypeComputer._computeTypes(XtendTypeComputer.java:205)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:111)
    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.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:1029)
    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:123)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:660)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:109)
    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.doComputeTypes(ExpressionTypeComputationState.java:59)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:476)
    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:123)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111)
    at org.eclipse.xtext.xbase.typesystem.computation.ClosureWithExpectationHelper.computeTypes(ClosureWithExpectationHelper.java:98)
    at org.eclipse.xtext.xbase.typesystem.computation.ClosureTypeComputer.computeTypes(ClosureTypeComputer.java:48)
    at org.eclipse.xtend.core.typesystem.XtendTypeComputer._computeTypes(XtendTypeComputer.java:205)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer.computeTypes(XbaseTypeComputer.java:111)
    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.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:1029)
    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:123)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.createResolvedLink(AbstractTypeComputationState.java:431)
    at org.eclipse.xtext.xbase.typesystem.internal.ExpressionTypeComputationState.createResolvedLink(ExpressionTypeComputationState.java:119)
    at org.eclipse.xtext.xbase.typesystem.internal.ScopeProviderAccess.getKnownFeature(ScopeProviderAccess.java:80)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.getLinkingCandidates(AbstractTypeComputationState.java:387)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:1024)
    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:123)
    at org.eclipse.xtext.xbase.typesystem.internal.ExpressionTypeComputationState.doComputeTypes(ExpressionTypeComputationState.java:59)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractTypeComputationState.computeTypes(AbstractTypeComputationState.java:111)
    at org.eclipse.xtext.xbase.typesystem.computation.XbaseTypeComputer._computeTypes(XbaseTypeComputer.java:476)
    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: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.DefaultReentrantTypeResolver._computeTypes(DefaultReentrantTypeResolver.java:199)
    at org.eclipse.xtext.xbase.typesystem.internal.DefaultReentrantTypeResolver.computeTypes(DefaultReentrantTypeResolver.java:191)
    at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareReentrantTypeResolver.computeTypes(LogicalContainerAwareReentrantTypeResolver.java:721)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeDanglingExpressionType(XtendReentrantTypeResolver.java:446)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:429)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:402)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:389)
    at org.eclipse.xtend.core.typesystem.XtendReentrantTypeResolver.computeTypes(XtendReentrantTypeResolver.java:379)
    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:69)
    at org.eclipse.xtext.xbase.typesystem.internal.AbstractBatchTypeResolver.resolveTypes(AbstractBatchTypeResolver.java:55)
    at org.eclipse.xtend.ide.editor.OverrideIndicatorModelListener.createOverrideIndicatorAnnotationMap(OverrideIndicatorModelListener.java:179)
    at org.eclipse.xtend.ide.editor.OverrideIndicatorModelListener$2.exec(OverrideIndicatorModelListener.java:138)
    at org.eclipse.xtend.ide.editor.OverrideIndicatorModelListener$2.exec(OverrideIndicatorModelListener.java:1)
    at org.eclipse.xtext.util.concurrent.CancelableUnitOfWork.exec(CancelableUnitOfWork.java:26)
    at org.eclipse.xtext.resource.OutdatedStateManager.exec(OutdatedStateManager.java:121)
    at org.eclipse.xtext.ui.editor.model.XtextDocument$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.xtend.ide.editor.OverrideIndicatorModelListener.updateAnnotationModel(OverrideIndicatorModelListener.java:133)
    at org.eclipse.xtend.ide.editor.OverrideIndicatorModelListener.access$0(OverrideIndicatorModelListener.java:125)
    at org.eclipse.xtend.ide.editor.OverrideIndicatorModelListener$1.run(OverrideIndicatorModelListener.java:110)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
   
  

General Information:

    reported-by:      Anton
    anonymous-id:     97af1a33-99bb-4418-af01-cd9caf4b003d
    eclipse-build-id: 4.5.0.I20150320-0800
    eclipse-product:  org.eclipse.epp.package.committers.product
    operating system: MacOSX 10.9.5 (x86_64) - cocoa
    jre-version:      1.8.0-ea-b112

The following plug-ins were present on the execution stack (*):
    1. org.eclipse.core.jobs_3.7.0.v20150316-1238
    2. org.eclipse.xtend.core_2.9.0.v201504271651
    3. org.eclipse.xtend_2.1.0.v201504170506
    4. org.eclipse.xtend.ide_2.9.0.v201504271651
    5. org.eclipse.xtext.common.types_2.9.0.v201504271651
    6. org.eclipse.xtext_2.9.0.v201504271651
    7. org.eclipse.xtext.ui_2.9.0.v201504271651
    8. org.eclipse.xtext.util_2.9.0.v201504271651
    9. org.eclipse.xtext.xbase_2.9.0.v201504271651

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/553f9e56e4b09f63fdc87b9c  
* Manual: https://dev.eclipse.org/recommenders/community/confess/#/guide


Thank you for your assistance.
Your friendly error-reports-inbox.