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https://issues.apache.org/jira/browse/LUCENE-2074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12778582#action_12778582
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Uwe Schindler commented on LUCENE-2074:
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bq. Uwe, also, just checking, i don't know javacc at all, does it use unicode
properties? We have a lot of queryparsers out there...
I do not know it, too :)
The only query parser using jflex is the new one. And the new one should
normally use no unicode properties. Can you check the JFlex file? All other
query parsers use JavaCC.
> Use a separate JFlex generated Unicode 4 by Java 5 compatible
> StandardTokenizer
> -------------------------------------------------------------------------------
>
> Key: LUCENE-2074
> URL: https://issues.apache.org/jira/browse/LUCENE-2074
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 3.0
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 3.0
>
> Attachments: jflexwarning.patch, LUCENE-2074.patch, LUCENE-2074.patch
>
>
> The current trunk version of StandardTokenizerImpl was generated by Java 1.4
> (according to the warning). In Java 3.0 we switch to Java 1.5, so we should
> regenerate the file.
> After regeneration the Tokenizer behaves different for some characters.
> Because of that we should only use the new TokenizerImpl when
> Version.LUCENE_30 is used as matchVersion.
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