java.lang.NullPointerException

GitHub | naditina | 3 months ago
  1. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.semanticweb.elk.util.collections.ArrayHashMap.get()
    2. org.semanticweb.elk
      OwlOntologyChangeProcessorVisitor.visit
      1. org.semanticweb.elk.util.collections.ArrayHashMap.get(ArrayHashMap.java:203)
      2. org.semanticweb.elk.util.collections.chains.AbstractChain$1.next(AbstractChain.java:105)
      3. org.semanticweb.elk.util.collections.chains.AbstractChain$1.next(AbstractChain.java:101)
      4. org.semanticweb.elk.util.collections.chains.AbstractChain.find(AbstractChain.java:42)
      5. org.semanticweb.elk.reasoner.indexing.hierarchy.IndexedSubClassOfAxiom$ThisCompositionRule.removeFrom(IndexedSubClassOfAxiom.java:162)
      6. org.semanticweb.elk.reasoner.indexing.hierarchy.DifferentialIndex.add(DifferentialIndex.java:172)
      7. org.semanticweb.elk.reasoner.indexing.hierarchy.IndexedSubClassOfAxiom.updateOccurrenceNumbers(IndexedSubClassOfAxiom.java:85)
      8. org.semanticweb.elk.reasoner.indexing.hierarchy.MainAxiomIndexerVisitor$AxiomOccurrenceUpdateFilter.update(MainAxiomIndexerVisitor.java:384)
      9. org.semanticweb.elk.reasoner.indexing.hierarchy.MainAxiomIndexerVisitor$AxiomOccurrenceUpdateFilter.visit(MainAxiomIndexerVisitor.java:394)
      10. org.semanticweb.elk.reasoner.indexing.hierarchy.MainAxiomIndexerVisitor$AxiomOccurrenceUpdateFilter.visit(MainAxiomIndexerVisitor.java:373)
      11. org.semanticweb.elk.reasoner.indexing.hierarchy.MainAxiomIndexerVisitor.indexSubClassOfAxiom(MainAxiomIndexerVisitor.java:148)
      12. org.semanticweb.elk.reasoner.indexing.hierarchy.AbstractElkAxiomIndexerVisitor.visit(AbstractElkAxiomIndexerVisitor.java:166)
      13. org.semanticweb.elk.reasoner.indexing.hierarchy.AbstractElkAxiomIndexerVisitor.visit(AbstractElkAxiomIndexerVisitor.java:63)
      14. org.semanticweb.elk.owlapi.wrapper.ElkEquivalentClassesAxiomWrap.accept(ElkEquivalentClassesAxiomWrap.java:61)
      15. org.semanticweb.elk.owlapi.wrapper.ElkClassAxiomWrap.accept(ElkClassAxiomWrap.java:51)
      16. org.semanticweb.elk.reasoner.indexing.hierarchy.DelegatingElkAxiomVisitor.visit(DelegatingElkAxiomVisitor.java:103)
      17. org.semanticweb.elk.reasoner.indexing.hierarchy.DelegatingElkAxiomVisitor.visit(DelegatingElkAxiomVisitor.java:74)
      18. org.semanticweb.elk.owlapi.wrapper.ElkEquivalentClassesAxiomWrap.accept(ElkEquivalentClassesAxiomWrap.java:61)
      19. org.semanticweb.elk.owlapi.wrapper.ElkClassAxiomWrap.accept(ElkClassAxiomWrap.java:51)
      20. org.semanticweb.elk.reasoner.indexing.hierarchy.ChangeIndexingProcessor.visit(ChangeIndexingProcessor.java:57)
      21. org.semanticweb.elk.owlapi.OwlOntologyChangeProcessorVisitor.visit(OwlOntologyChangeProcessorVisitor.java:78)
      22. org.semanticweb.elk.owlapi.OwlOntologyChangeProcessorVisitor.visit(OwlOntologyChangeProcessorVisitor.java:39)
      22 frames
    3. org.semanticweb.owlapi
      AddAxiom.accept
      1. org.semanticweb.owlapi.model.AddAxiom.accept(AddAxiom.java:76)
      1 frame
    4. org.semanticweb.elk
      ElkReasoner.precomputeInferences
      1. org.semanticweb.elk.owlapi.OwlChangesLoader.load(OwlChangesLoader.java:90)
      2. org.semanticweb.elk.reasoner.stages.AxiomLoadingStage.executeStage(AxiomLoadingStage.java:121)
      3. org.semanticweb.elk.reasoner.stages.AbstractReasonerStage.execute(AbstractReasonerStage.java:165)
      4. org.semanticweb.elk.reasoner.stages.AxiomLoadingStage.execute(AxiomLoadingStage.java:45)
      5. org.semanticweb.elk.reasoner.stages.LoggingStageExecutor.execute(LoggingStageExecutor.java:53)
      6. org.semanticweb.elk.reasoner.stages.AbstractStageExecutor.complete(AbstractStageExecutor.java:55)
      7. org.semanticweb.elk.reasoner.stages.AbstractReasonerState.complete(AbstractReasonerState.java:145)
      8. org.semanticweb.elk.reasoner.stages.AbstractReasonerState.loadAxioms(AbstractReasonerState.java:306)
      9. org.semanticweb.elk.reasoner.stages.AbstractReasonerState.isInconsistent(AbstractReasonerState.java:284)
      10. org.semanticweb.elk.reasoner.stages.AbstractReasonerState.getTaxonomy(AbstractReasonerState.java:324)
      11. org.semanticweb.elk.owlapi.ElkReasoner.precomputeInferences(ElkReasoner.java:942)
      11 frames
    5. simplification
      ConceptMinimizer.computeConjunctions
      1. simplification.ConceptMinimizer.computeConjunctions(ConceptMinimizer.java:254)
      1 frame