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https://issues.apache.org/jira/browse/LUCENE-6121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Smiley resolved LUCENE-6121.
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Resolution: Fixed
> Fix CachingTokenFilter to propagate reset() the first time
> ----------------------------------------------------------
>
> Key: LUCENE-6121
> URL: https://issues.apache.org/jira/browse/LUCENE-6121
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: David Smiley
> Assignee: David Smiley
> Priority: Major
> Labels: random-chains
> Fix For: 6.0, 5.0
>
> Attachments:
> LUCENE-6121_CachingTokenFilter_reset_propagates_reset_if_not_cached.patch,
> LUCENE-6121_CachingTokenFilter_reset_propagates_reset_if_not_cached.patch
>
>
> CachingTokenFilter should have been propagating reset() _but only the first
> time_ and thus you would then use CachingTokenFilter in a more normal way –
> wrap it and call reset() then increment in a loop, etc., instead of knowing
> you need to reset() on what it wraps but not this token filter itself. That's
> weird. It's ab-normal for a TokenFilter to never propagate reset, so every
> user of CachingTokenFilter to date has worked around this by calling reset()
> on the underlying input instead of the final wrapping token filter
> (CachingTokenFilter in this case).
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