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https://issues.apache.org/jira/browse/LUCENE-3990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-3990:
--------------------------------
Attachment: LUCENE-3990.patch
The problem is that we are getting different results the first time we create
the tokenstream components,
versus after we reset(Reader) with the same text again.
The bug was introduced by Uwe Schindler in r1311358: when the reader-wrapper
was changed to use CharFilter
instead. because of crazy CharFilter-Reader delegation.
http://svn.apache.org/viewvc?view=revision&revision=1311358
Attached is a patch demonstrating the bug: with a standalone testcase, and
backing out that change.
Seed now passes (in addition to the test.
> TestRandomChains failure
> ------------------------
>
> Key: LUCENE-3990
> URL: https://issues.apache.org/jira/browse/LUCENE-3990
> Project: Lucene - Java
> Issue Type: Bug
> Components: modules/analysis
> Reporter: Steven Rowe
> Attachments: LUCENE-3990.patch, analysis-common.tests-report.txt
>
>
> 100% reproduces for me:
> 2> NOTE: reproduce with: ant test -Dtests.class=*.TestRandomChains
> -Dtests.method=testRandomChains -Dtests.seed=88CA02C2BB7B1DA
> -Dargs="-Dfile.encoding=UTF-8"
> Running org.apache.lucene.analysis.core.TestRandomChains
> FAILURE 7.22s | TestRandomChains.testRandomChains
> > Throwable #1: java.lang.AssertionError: endOffset 1 expected:<7> but
> was:<8>
> > at
> __randomizedtesting.SeedInfo.seed([88CA02C2BB7B1DA:356D894D6CA5AC1A]:0)
> > at org.junit.Assert.fail(Assert.java:93)
> > at org.junit.Assert.failNotEquals(Assert.java:647)
> > at org.junit.Assert.assertEquals(Assert.java:128)
> > at org.junit.Assert.assertEquals(Assert.java:472)
> > at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.assertTokenStreamContents(BaseTokenStreamTestCase.java:165)
> > at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkAnalysisConsistency(BaseTokenStreamTestCase.java:662)
> > at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkRandomData(BaseTokenStreamTestCase.java:486)
> > at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkRandomData(BaseTokenStreamTestCase.java:429)
> > at
> org.apache.lucene.analysis.core.TestRandomChains.testRandomChains(TestRandomChains.java:820)
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