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From "Robert Muir (Commented) (JIRA)" <>
Subject [jira] [Commented] (LUCENE-3920) ShingleFilter sometimes confuses offsets
Date Mon, 26 Mar 2012 01:28:25 GMT


Robert Muir commented on LUCENE-3920:

Note I havent debugged this enough to see if its really shinglefilter,
or actually a bug in ngrams filter, or somehow a crazy bug when
the two of them get together. Its just something I tripped in LUCENE-3919.
> ShingleFilter sometimes confuses offsets
> ----------------------------------------
>                 Key: LUCENE-3920
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 3.6, 4.0
>            Reporter: Robert Muir
>         Attachments: LUCENE-3920_test.patch
> It seems like maybe its possibly applying the offsets from the wrong token?
> Because after shingling, the resulting token has a startOffset thats after the endoffset.

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