[jira] [Created] (SOLR-6271) ConjunctionSolrSpellChecker wrong check for same string distance

["Igor Kostromin (JIRA)" <ji...@apache.org>]

Igor Kostromin created SOLR-6271:
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             Summary: ConjunctionSolrSpellChecker wrong check for same string distance
                 Key: SOLR-6271
                 URL: https://issues.apache.org/jira/browse/SOLR-6271
             Project: Solr
          Issue Type: Bug
          Components: spellchecker
    Affects Versions: 4.9
            Reporter: Igor Kostromin


See ConjunctionSolrSpellChecker.java

try {
      if (stringDistance == null) {
        stringDistance = checker.getStringDistance();
      } else if (stringDistance != checker.getStringDistance()) {
        throw new IllegalArgumentException(
            "All checkers need to use the same StringDistance.");
      }
    } catch (UnsupportedOperationException uoe) {
      // ignore
    }

In line stringDistance != checker.getStringDistance() there is comparing by references. So if you are using 2 or more spellcheckers with same distance algorithm, exception will be thrown anyway.



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