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https://issues.apache.org/jira/browse/LUCENE-8676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16758205#comment-16758205
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ASF subversion and git services commented on LUCENE-8676:
---------------------------------------------------------
Commit e05ed2ffb5a2df20163af9a7d8ea425b4218cade in lucene-solr's branch
refs/heads/branch_7_7 from Jim Ferenczi
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=e05ed2f ]
LUCENE-8676: The Korean tokenizer does not update the last position if the
backtrace is caused by a big buffer (1024 chars).
> TestKoreanTokenizer#testRandomHugeStrings failure
> -------------------------------------------------
>
> Key: LUCENE-8676
> URL: https://issues.apache.org/jira/browse/LUCENE-8676
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Jim Ferenczi
> Priority: Major
> Attachments: LUCENE-8676.patch
>
>
> KoreanTokenizer#testRandomHugeString failed in CI with the following
> exception:
> {noformat}
> [junit4] > Throwable #1: java.lang.AssertionError
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([8C5E2BE10F581CB:90E6857D4E833D83]:0)
> [junit4] > at
> org.apache.lucene.analysis.ko.KoreanTokenizer.add(KoreanTokenizer.java:334)
> [junit4] > at
> org.apache.lucene.analysis.ko.KoreanTokenizer.parse(KoreanTokenizer.java:707)
> [junit4] > at
> org.apache.lucene.analysis.ko.KoreanTokenizer.incrementToken(KoreanTokenizer.java:377)
> [junit4] > at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkAnalysisConsistency(BaseTokenStreamTestCase.java:748)
> [junit4] > at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkRandomData(BaseTokenStreamTestCase.java:659)
> [junit4] > at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkRandomData(BaseTokenStreamTestCase.java:561)
> [junit4] > at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkRandomData(BaseTokenStreamTestCase.java:474)
> [junit4] > at
> org.apache.lucene.analysis.ko.TestKoreanTokenizer.testRandomHugeStrings(TestKoreanTokenizer.java:313)
> [junit4] > at java.lang.Thread.run(Thread.java:748)
> [junit4] 2> NOTE: leaving temporary files
> {noformat}
> I am able to reproduce locally with:
> {noformat}
> ant test -Dtestcase=TestKoreanTokenizer -Dtests.method=testRandomHugeStrings
> -Dtests.seed=8C5E2BE10F581CB -Dtests.multiplier=2 -Dtests.nightly=true
> -Dtests.slow=true
> -Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.7/test-data/enwiki.random.lines.txt
> -Dtests.locale=uk-UA -Dtests.timezone=Europe/Istanbul -Dtests.asserts=true
> -Dtests.file.encoding=ISO-8859-1
> {noformat}
> After some investigation I found out that the position of the buffer is not
> updated when the maximum backtrace size is reached (1024).
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