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Posted to dev@lucene.apache.org by "Markus Jelsma (JIRA)" <ji...@apache.org> on 2016/01/14 17:09:39 UTC

[jira] [Created] (LUCENE-6977) Possible bug in StemmerOverrideFilter / FST

Markus Jelsma created LUCENE-6977:
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             Summary: Possible bug in StemmerOverrideFilter / FST
                 Key: LUCENE-6977
                 URL: https://issues.apache.org/jira/browse/LUCENE-6977
             Project: Lucene - Core
          Issue Type: Bug
          Components: modules/analysis
    Affects Versions: 5.4
            Reporter: Markus Jelsma
            Priority: Minor
             Fix For: 5.5
         Attachments: LUCENE-6977.patch

We ran across an issue in a custom token filter that like the StemmerOverrideFilter relies on the FST. The issue is reproducible in the StemmerOverrideFilter. I am not sure whether it is a real problem in the FST.

Attached a patch with a unit test that is going to fail. It uses random input with some code from commons-lang3.



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