Markus Jelsma created SOLR-11858:
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Summary: NPE in DirectSpellChecker
Key: SOLR-11858
URL: https://issues.apache.org/jira/browse/SOLR-11858
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Affects Versions: 7.1
Environment: 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.
{code}
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
{code}
Config:
{code}
<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>
{code}
Reporter: Markus Jelsma
Fix For: master (8.0), 7.3
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