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https://issues.apache.org/jira/browse/LUCENE-10081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17411175#comment-17411175
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Michael McCandless commented on LUCENE-10081:
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Good catch! Thanks [~jimczi].
Hmm, was there a failing test seed that uncovered this problem? (I don't see a
test case committed with the fix). Does this maybe also impact Kuromoji?
> KoreanTokenizer should check the max backtrace gap on whitespaces
> -----------------------------------------------------------------
>
> Key: LUCENE-10081
> URL: https://issues.apache.org/jira/browse/LUCENE-10081
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Jim Ferenczi
> Priority: Minor
> Fix For: main (9.0), 8.10
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Today the KoreanTokenizer keeps track of the whitespaces that appear before a
> known term in order to apply a space penalty factor. These whitespaces are
> considered part of the next term so the backtrace gap limit is not applied.
> As a result, the position buffer can grow up to the maximum number of
> consecutive whitespaces in the input. This is problematic since the buffer is
> reused on reset() so we should ensure that the max backtrace gap limit is
> applied on consecutive whitespaces consistently.
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