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https://issues.apache.org/jira/browse/LUCENE-2014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771345#action_12771345
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Robert Muir commented on LUCENE-2014:
-------------------------------------
bq. I think the filter is fine how it is at the moment. The problem is only the
missing clearAttributes when you produce more than one token out of one big one
(the sentence). No need for captureState, because the tokens are new ones. If
somebody adds custom attributes, they would have cleared, but would that be not
correct?
not really sure, thats why I asked you :)
I guess for now, its good enough to fix it to not crash IndexWriter.
I will commit soon.
> position increment bug: smartcn
> -------------------------------
>
> Key: LUCENE-2014
> URL: https://issues.apache.org/jira/browse/LUCENE-2014
> Project: Lucene - Java
> Issue Type: Bug
> Components: contrib/analyzers
> Reporter: Robert Muir
> Fix For: 3.0
>
> Attachments: LUCENE-2014.patch, LUCENE-2014.patch
>
>
> If i use LUCENE_VERSION >= 2.9 with smart chinese analyzer, it will crash
> indexwriter with any reasonable amount of chinese text.
> its especially annoying because it happens in 2.9.1 RC as well.
> this is because the position increments for tokens after stopwords are bogus:
> Here's an example (from test case), where the position increment should be 2,
> but is instead 91975314!
> {code}
> public void testChineseStopWords2() throws Exception {
> Analyzer ca = new SmartChineseAnalyzer(Version.LUCENE_CURRENT); /* will
> load stopwords */
> String sentence = "Title:San"; // : is a stopword
> String result[] = { "titl", "san"};
> int startOffsets[] = { 0, 6 };
> int endOffsets[] = { 5, 9 };
> int posIncr[] = { 1, 2 };
> assertAnalyzesTo(ca, sentence, result, startOffsets, endOffsets, posIncr);
> }
> {code}
> junit.framework.AssertionFailedError: posIncrement 1 expected:<2> but
> was:<91975314>
> at junit.framework.Assert.fail(Assert.java:47)
> at junit.framework.Assert.failNotEquals(Assert.java:280)
> at junit.framework.Assert.assertEquals(Assert.java:64)
> at junit.framework.Assert.assertEquals(Assert.java:198)
> at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.assertTokenStreamContents(BaseTokenStreamTestCase.java:83)
> ...
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