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Christian Moen commented on LUCENE-3767: ---------------------------------------- Mike, Thanks a lot for this. I've been taking this patch for a spin and I'm seeing some exceptions being thrown when indexing some Wikipedia test documents. I haven't had a chance to analyze this in detail, but when indexing the attached {{SolrXml-5498.xml}} I'm getting: {code} java.lang.ArrayIndexOutOfBoundsException: -69 at org.apache.lucene.util.RollingCharBuffer.get(RollingCharBuffer.java:98) at org.apache.lucene.analysis.kuromoji.KuromojiTokenizer.computePenalty(KuromojiTokenizer.java:236) at org.apache.lucene.analysis.kuromoji.KuromojiTokenizer.computeSecondBestThreshold(KuromojiTokenizer.java:227) at org.apache.lucene.analysis.kuromoji.KuromojiTokenizer.backtrace(KuromojiTokenizer.java:910) at org.apache.lucene.analysis.kuromoji.KuromojiTokenizer.parse(KuromojiTokenizer.java:567) at org.apache.lucene.analysis.kuromoji.KuromojiTokenizer.incrementToken(KuromojiTokenizer.java:394) at org.apache.lucene.analysis.kuromoji.TestKuromojiTokenizer.doTestBocchan(TestKuromojiTokenizer.java:567) at org.apache.lucene.analysis.kuromoji.TestKuromojiTokenizer.testBocchan(TestKuromojiTokenizer.java:528) ... {code} I believe you can reproduce this by changing {{TestKuromojiTokenizer.doTestBocchan()}} to read the attached {{SolrXml-5498.xml}} instead of {{bocchan.utf-8}}. > Explore streaming Viterbi search in Kuromoji > -------------------------------------------- > > Key: LUCENE-3767 > URL: https://issues.apache.org/jira/browse/LUCENE-3767 > Project: Lucene - Java > Issue Type: Improvement > Components: modules/analysis > Reporter: Michael McCandless > Assignee: Michael McCandless > Fix For: 3.6, 4.0 > > Attachments: LUCENE-3767.patch, LUCENE-3767.patch, LUCENE-3767.patch, > LUCENE-3767.patch, SolrXml-5498.xml, compound_diffs.txt > > > I've been playing with the idea of changing the Kuromoji viterbi > search to be 2 passes (intersect, backtrace) instead of 4 passes > (break into sentences, intersect, score, backtrace)... this is very > much a work in progress, so I'm just getting my current state up. > It's got tons of nocommits, doesn't properly handle the user dict nor > extended modes yet, etc. > One thing I'm playing with is to add a double backtrace for the long > compound tokens, ie, instead of penalizing these tokens so that > shorter tokens are picked, leave the scores unchanged but on backtrace > take that penalty and use it as a threshold for a 2nd best > segmentation... -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org