java.lang.AbstractMethodError
   at org.netbeans.modules.cnd.modelimpl.repository.KeyUtilities.getKeyEndOffset(KeyUtilities.java:210)
   at org.netbeans.modules.cnd.modelimpl.uid.UIDUtilities.getEndOffset(UIDUtilities.java:305)
   at org.netbeans.modules.cnd.modelimpl.impl.services.SelectImpl$FilterBuilder$OffsetFilterImpl.accept(SelectImpl.java:435)
   at org.netbeans.modules.cnd.modelimpl.uid.LazyCsmCollection$MySafeIterator.getNextNonNull(LazyCsmCollection.java:279)
   at org.netbeans.modules.cnd.modelimpl.uid.LazyCsmCollection$MySafeIterator.next(LazyCsmCollection.java:290)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.gatherMaps(Resolver3.java:411)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.gatherMaps(Resolver3.java:414)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.gatherMaps(Resolver3.java:414)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.gatherMaps(Resolver3.java:414)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.gatherMaps(Resolver3.java:414)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.gatherMaps(Resolver3.java:414)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolveSimpleName(Resolver3.java:680)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolve(Resolver3.java:641)
   at org.netbeans.modules.cnd.modelimpl.csm.TypeImpl.renderClassifier(TypeImpl.java:565)
   at org.netbeans.modules.cnd.modelimpl.csm.TypeImpl.getClassifier(TypeImpl.java:507)
   at org.netbeans.modules.cnd.modelimpl.csm.TypeImpl.isTemplateBased(TypeImpl.java:305)
   at org.netbeans.modules.cnd.modelimpl.csm.NestedType.isTemplateBased(NestedType.java:198)
   at org.netbeans.modules.cnd.modelimpl.csm.NestedType.isTemplateBased(NestedType.java:198)
   at org.netbeans.modules.cnd.modelimpl.csm.NestedType.isTemplateBased(NestedType.java:185)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolveItem(CsmCompletionQuery.java:2180)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolveParams(CsmCompletionQuery.java:1096)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolveExp(CsmCompletionQuery.java:1128)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.getResult(CsmCompletionQuery.java:349)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:330)
   at org.netbeans.modules.cnd.completion.csm.CompletionUtilities.findItemsReferencedAtCaretPos(CompletionUtilities.java:154)
   at org.netbeans.modules.cnd.completion.impl.xref.ReferencesSupport.findDeclaration(ReferencesSupport.java:388)
   at org.netbeans.modules.cnd.completion.impl.xref.ReferencesSupport.findDeclaration(ReferencesSupport.java:339)
   at org.netbeans.modules.cnd.completion.impl.xref.ReferencesSupport.findReferencedObject(ReferencesSupport.java:232)
   at org.netbeans.modules.cnd.completion.impl.xref.ReferenceImpl.getReferencedObject(ReferenceImpl.java:103)
   at org.netbeans.modules.cnd.highlight.semantic.ModelUtils$FieldReferenceCollector.visit(ModelUtils.java:134)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter$2.visit(SemanticHighlighter.java:243)
   at org.netbeans.modules.cnd.completion.impl.xref.FileReferencesImpl._accept(FileReferencesImpl.java:147)
   at org.netbeans.modules.cnd.completion.impl.xref.FileReferencesImpl.accept(FileReferencesImpl.java:104)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter.update(SemanticHighlighter.java:235)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter.update(SemanticHighlighter.java:164)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter.run(SemanticHighlighter.java:298)
   at org.netbeans.modules.cnd.model.tasks.CsmFileTaskFactory$5.run(CsmFileTaskFactory.java:469)
   at org.netbeans.modules.cnd.model.tasks.CsmFileTaskFactory$CsmSafeRunnable.run(CsmFileTaskFactory.java:486)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AbstractMethodError
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:436)
   at org.netbeans.modules.cnd.model.tasks.CsmFileTaskFactory.post(CsmFileTaskFactory.java:340)
   at org.netbeans.modules.cnd.model.tasks.CsmFileTaskFactory.stateChangedImpl(CsmFileTaskFactory.java:248)
   at org.netbeans.modules.cnd.model.tasks.CsmFileTaskFactory.access$300(CsmFileTaskFactory.java:77)
   at org.netbeans.modules.cnd.model.tasks.CsmFileTaskFactory$2.run(CsmFileTaskFactory.java:127)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)