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https://issues.apache.org/jira/browse/LUCENE-3990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13254479#comment-13254479
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Robert Muir commented on LUCENE-3990:
-------------------------------------
Definitely something sneaky going on...
first i found a minor bug in the test. the logic for determining if we should
apply
additional offsets checks doesn't look at the return value, so if we ever try
a tokenizer in brokenOffsetsComponents (even if it throws IAE and we decide not
to use it)
then we lose offsets checks for the eventually-working-chain.
seed still works after fixing this... I'll commit a fix for that (still doesnt
help this problem)
> 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: 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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