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https://issues.apache.org/jira/browse/LUCENE-10008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17365071#comment-17365071
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Chris M. Hostetter commented on LUCENE-10008:
---------------------------------------------
Go for it Vigya.
FWIW, there is a {{// TODO: shared base class for Stop/Keep/CommonGrams?}}
comment that i think is probably the "right" way to fix this ... it would not
only fix this bug, but also help improve CommonGramsFilterFactory's behavior if
"format" is garbage input and automatically give KeepWordFilterFactory support
for a "format" option as well.
> CommonGramsFilterFactory doesn't respect ignoreCase=true when default
> stopwords are used
> ----------------------------------------------------------------------------------------
>
> Key: LUCENE-10008
> URL: https://issues.apache.org/jira/browse/LUCENE-10008
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Chris M. Hostetter
> Priority: Major
>
> CommonGramsFilterFactory's use of the "words" and "ignoreCase" config options
> is inconsistent with how StopFilterFactory uses them - leading to
> "ignoreCase=true" not being respected unless "words" is specified...
> StopFilterFactory...
> {code:java}
> public void inform(ResourceLoader loader) throws IOException {
> if (stopWordFiles != null) {
> ...
> } else {
> ...
> stopWords = new CharArraySet(EnglishAnalyzer.ENGLISH_STOP_WORDS_SET,
> ignoreCase);
> }
> }
> {code}
> CommonGramsFilterFactory...
> {code:java}
> @Override
> public void inform(ResourceLoader loader) throws IOException {
> if (commonWordFiles != null) {
> ...
> } else {
> commonWords = EnglishAnalyzer.ENGLISH_STOP_WORDS_SET;
> }
> }
> {code}
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