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https://issues.apache.org/jira/browse/SOLR-2474?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler resolved SOLR-2474.
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Resolution: Fixed
Fix Version/s: 4.0
3.2
Committed 3.x revision: 1095519
Merged trunk revision: 1095521
Thanks Robert for investigating and Yonik for reporting this hairy one.
> Analysis.jsp and AnalaysisRequestHandlerBase do not correctly clear
> attributes on caching tokens
> ------------------------------------------------------------------------------------------------
>
> Key: SOLR-2474
> URL: https://issues.apache.org/jira/browse/SOLR-2474
> Project: Solr
> Issue Type: Bug
> Affects Versions: 3.1
> Reporter: Yonik Seeley
> Assignee: Uwe Schindler
> Fix For: 3.2, 4.0
>
> Attachments: SOLR-2474.patch
>
>
> When caching tokens, the helper TokenStreams in analysis.jsp and
> AnalysisRequestHandlerBase do not clear all attributes.
> The issue is tricky. The cached tokens do not contain all attributes in early
> stages, so copyTo() does not necessarily overwrite all attributes in "this".
> Calling clearAttributes ensures this.
> bq. Was: LUCENE-2901 broke protected words by only setting and never clearing
> (that change should have been accompanied by offsetting code to clear the
> attribute somewhere).
> The problem here was, that this attribute was added later in anaylsis chain,
> so cached tokens don't include this. Sorry, that was my fault when rewriting
> analysis.jsp together with Robert :(
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