[LUCENE-3990] TestRandomChains failure caused by incorrect delegation in CharReader/CharFilter/CharStream API

• Type: Bug
• Status: Reopened
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 4.9, 6.0
• Component/s: modules/analysis
• Lucene Fields: New
• Assignee: Uwe Schindler
• Reporter: Steven Rowe
• Created: 15/Apr/12 17:24
• Updated: 28/Aug/22 13:14

Description

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)

The root cause of this is inconsequent override of several Reader methods in subclasses of CharFilter. We should fix this urgently, thanks to the random chains we found this bug.

Issue Links

• relates to: LUCENE-3919 more thorough testing of analysis chains