[LUCENE-6751] TestSimlarity2.testNoFieldSkew() failure

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 6.0
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Steven Rowe
• Created: 20/Aug/15 15:09
• Updated: 28/Aug/22 14:41

Description

ASF Jenkins found a failing seed for TestSimilarity2.testNoFieldSkew() https://builds.apache.org/job/Lucene-Solr-NightlyTests-trunk/770/ that reproduces for me on OS X:

   [junit4] Suite: org.apache.lucene.search.similarities.TestSimilarity2
   [junit4]   2> NOTE: download the large Jenkins line-docs file by running 'ant get-jenkins-line-docs' in the lucene directory.
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestSimilarity2 -Dtests.method=testNoFieldSkew -Dtests.seed=216F1F3C38561BEF -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true -Dtests.linedocsfile=/x1/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=es_ES -Dtests.timezone=America/Catamarca -Dtests.asserts=true -Dtests.file.encoding=UTF-8
   [junit4] FAILURE 0.21s J0 | TestSimilarity2.testNoFieldSkew <<<
   [junit4]    > Throwable #1: java.lang.AssertionError: expected:<0.21697770059108734> but was:<0.0>
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([216F1F3C38561BEF:89FA6BFD1F67BF87]:0)
   [junit4]    > 	at org.apache.lucene.search.similarities.TestSimilarity2.testNoFieldSkew(TestSimilarity2.java:198)
   [junit4]    > 	at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> NOTE: leaving temporary files on disk at: /x1/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-trunk/lucene/build/core/test/J0/temp/lucene.search.similarities.TestSimilarity2_216F1F3C38561BEF-001
   [junit4]   2> NOTE: test params are: codec=DummyCompressingStoredFields(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=DUMMY, chunkSize=16060, maxDocsPerChunk=1, blockSize=6), termVectorsFormat=CompressingTermVectorsFormat(compressionMode=DUMMY, chunkSize=16060, blockSize=6)), sim=DefaultSimilarity, locale=es_ES, timezone=America/Catamarca
   [junit4]   2> NOTE: Linux 3.13.0-52-generic amd64/Oracle Corporation 1.8.0_45 (64-bit)/cpus=4,threads=1,free=192996984,total=288882688
   [junit4]   2> NOTE: All tests run in this JVM: [TestNewestSegment, TestIndexWriterOnJRECrash, TestSizeBoundedForceMerge, TestLogMergePolicy, TestLockFactory, TestMaxPosition, TestNeverDelete, TestMultiTermQueryRewrites, TestToken, TestIndexInput, TestDocValues, TestSimpleExplanationsOfNonMatches, TestVirtualMethod, TestAllFilesHaveChecksumFooter, TestHighCompressionMode, TestFilterLeafReader, TestHugeRamFile, TestSearcherManager, TestIndexWriterCommit, TestTrackingDirectoryWrapper, Test4GBStoredFields, TestCachingCollector, TestIsCurrent, TestApproximationSearchEquivalence, Test2BPostings, TestRoaringDocIdSet, TestIndexWriterFromReader, TestNumericDocValuesUpdates, TestExitableDirectoryReader, TestTermScorer, TestDirectPacked, TestLazyProxSkipping, TestIndexWriterUnicode, TestSimilarity2]
   [junit4] Completed [229/401] on J0 in 0.58s, 8 tests, 1 failure <<< FAILURES!

Issue Links

• is related to: LUCENE-6711 Instead of docCount(), maxDoc() is used for numberOfDocuments in SimilarityBase