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  1. Solr
  2. SOLR-11858

NPE in DirectSpellChecker

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 7.1
    • Fix Version/s: 8.1, master (9.0)
    • Component/s: spellchecker
    • Labels:
      None

      Description

      We just came across the following NPE. It seems this NPE only appears when the query is incorrectly spelled but response has more than 0 results. We have not observed this on other 7.1.0 deployments.

      2018-01-16 09:15:00.009 ERROR (qtp329611835-19) [c] o.a.s.h.RequestHand
      lerBase java.lang.NullPointerException
               at 
      org.apache.lucene.search.spell.DirectSpellChecker.suggestSimilar(DirectSpellChecker.java:421)
               at 
      org.apache.lucene.search.spell.DirectSpellChecker.suggestSimilar(DirectSpellChecker.java:353)
               at 
      org.apache.solr.spelling.DirectSolrSpellChecker.getSuggestions(DirectSolrSpellChecker.java:186)
               at 
      org.apache.solr.handler.component.SpellCheckComponent.process(SpellCheckComponent.java:195)
               at 
      org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:295)
               at 
      org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
               at org.apache.solr.core.SolrCore.execute(SolrCore.java:2484)
               at 
      

      Config:

       <searchComponent name="spellcheck" class="solr.SpellCheckComponent">
          <str name="queryAnalyzerFieldType">text_general</str>
          <lst name="spellchecker">
            <str name="name">default</str>
            <str name="field">spellcheck</str>
            <str name="classname">solr.DirectSolrSpellChecker</str>
            <str name="distanceMeasure">internal</str>
            <float name="accuracy">0.5</float>
            <int name="maxEdits">2</int>
            <int name="minPrefix">1</int>
            <int name="maxInspections">5</int>
            <int name="minQueryLength">4</int>
            <float name="maxQueryFrequency">0.01</float>
          </lst>
      

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              • Assignee:
                Unassigned
                Reporter:
                markus17 Markus Jelsma
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                Dates

                • Created:
                  Updated: