java.lang.NullPointerException

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Solutions on the web123906

  • via Terracotta by unnutz, 11 months ago
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  • Stack trace

    • java.lang.NullPointerException at org.mindswap.pellet.tableau.completion.rule.SimpleAllValuesRule.applyAllValues(SimpleAllValuesRule.java:52) at org.mindswap.pellet.tableau.completion.CompletionStrategy.addType(CompletionStrategy.java:441) at org.mindswap.pellet.tableau.completion.rule.UnfoldingRule.applyUnfoldingRule(UnfoldingRule.java:98) at org.mindswap.pellet.tableau.completion.rule.UnfoldingRule.apply(UnfoldingRule.java:61) at org.mindswap.pellet.tableau.completion.rule.AbstractTableauRule.apply(AbstractTableauRule.java:64) at org.mindswap.pellet.tableau.completion.SROIQStrategy.complete(SROIQStrategy.java:157) at org.mindswap.pellet.ABox.isConsistent(ABox.java:1416) at org.mindswap.pellet.ABox.isSatisfiable(ABox.java:588) at org.mindswap.pellet.ABox.isSatisfiable(ABox.java:547) at org.mindswap.pellet.KnowledgeBase.retrieve(KnowledgeBase.java:4214) at org.mindswap.pellet.KnowledgeBase.getInstances(KnowledgeBase.java:3425) at org.mindswap.pellet.jena.graph.query.GraphQueryHandler$9$2.getInnerIterator(GraphQueryHandler.java:368) at org.mindswap.pellet.jena.graph.query.GraphQueryHandler$9$2.getInnerIterator(GraphQueryHandler.java:365) at org.mindswap.pellet.utils.iterator.NestedIterator.findIterator(NestedIterator.java:32) at org.mindswap.pellet.utils.iterator.NestedIterator.next(NestedIterator.java:54) at com.hp.hpl.jena.util.iterator.WrappedIterator.next(WrappedIterator.java:68) at com.hp.hpl.jena.util.iterator.NiceIterator$1.next(NiceIterator.java:99) at com.hp.hpl.jena.util.iterator.WrappedIterator.next(WrappedIterator.java:68) at com.hp.hpl.jena.util.iterator.UniqueExtendedIterator.nextIfNew(UniqueExtendedIterator.java:61) at com.hp.hpl.jena.util.iterator.UniqueExtendedIterator.hasNext(UniqueExtendedIterator.java:69) at com.hp.hpl.jena.util.iterator.Map1Iterator.hasNext(Map1Iterator.java:38) at com.hp.hpl.jena.util.iterator.WrappedIterator.hasNext(WrappedIterator.java:64) at edu.cornell.mannlib.vitro.webapp.dao.jena.pellet.PelletListener$InferenceGetter.run(PelletListener.java:314) at java.lang.Thread.run(Thread.java:722)

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