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https://issues.apache.org/jira/browse/LUCENE-3044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13024627#comment-13024627
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Uwe Schindler commented on LUCENE-3044:
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Yeah fix is correct for this TokenFilter. It should loose all state on reset!
> thaiwordfilter uses attributesource.copyTo incorrectly
> ------------------------------------------------------
>
> Key: LUCENE-3044
> URL: https://issues.apache.org/jira/browse/LUCENE-3044
> Project: Lucene - Java
> Issue Type: Bug
> Reporter: Robert Muir
>
> The bug can be seen by
> https://builds.apache.org/hudson/job/Lucene-Solr-tests-only-3.x/7367/
> It looks like the issue is this lazy initialization of the cloned token: if
> the tokenstream is reused
> and the consumer is interested in a different set of attributes, it could be
> a problem.
> one probably-probably-not-totally-correct fix would be to add 'clonedToken =
> null;' to reset(), at
> least it would solve this case?
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