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  1. Lucene - Core
  2. LUCENE-3971

MappingCharFilter rarely has wrong correctOffset (for finalOffset)

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 4.0-ALPHA, 3.6.1
    • Component/s: modules/analysis
    • Labels:
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    • Lucene Fields:
      New

      Description

      Found this bug over on LUCENE-3969, but I'm currently tracking a ton of bugs, so
      I figure I would open an issue and see if this one is obvious to anyone:

      Consider this input string: "gzw f quaxot" (length = 12) with a WhitespaceTokenizer.
      If i have mapping rules like this, then it works!:

      "t" => ""
      

      But if I have mapping rules like this:

      "t" => ""
      "tmakdbl" => "c"
      

      Then it will compute final offset wrong:

          [junit] junit.framework.AssertionFailedError: finalOffset  expected:<12> but was:<11>
      

      Looks like some logic/recursion bug in the correctOffset method? The second rule is not even "used" for this string,
      it just happens to also start with 't'

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            • Assignee:
              dweiss Dawid Weiss
              Reporter:
              rcmuir Robert Muir

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                Resolved:

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