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https://issues.apache.org/jira/browse/LUCENE-8325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Ferenczi resolved LUCENE-8325.
----------------------------------
Resolution: Fixed
Fix Version/s: master (8.0)
7.4
I merged in master and backported to 7x.
Thanks [~chengpohi] and [~rcmuir] for reviewing.
> smartcn analyzer can't handle SURROGATE char
> --------------------------------------------
>
> Key: LUCENE-8325
> URL: https://issues.apache.org/jira/browse/LUCENE-8325
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: chengpohi
> Priority: Minor
> Labels: newbie, patch
> Fix For: 7.4, master (8.0)
>
> Attachments: handle_surrogate_char_for_smartcn_2018-05-23.patch
>
>
> This issue is from [https://github.com/elastic/elasticsearch/issues/30739]
> smartcn analyzer can't handle SURROGATE char, Example:
>
>
> {code:java}
> Analyzer ca = new SmartChineseAnalyzer();
> String sentence = "\uD862\uDE0F"; // 𨨏 a surrogate char
> TokenStream tokenStream = ca.tokenStream("", sentence);
> CharTermAttribute charTermAttribute =
> tokenStream.addAttribute(CharTermAttribute.class);
> tokenStream.reset();
> while (tokenStream.incrementToken()) {
> String term = charTermAttribute.toString();
> System.out.println(term);
> }
> {code}
>
> In the above code snippet will output:
>
> {code:java}
> ?
> ?
> {code}
>
> and I have created a *PATCH* to try to fix this, please help review(since
> *smartcn* only support *GBK* char, so it's only just handle it as a *single
> char*).
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