Steve Rowe created LUCENE-7144:
----------------------------------
Summary: TestFieldMaskingSpanQuery suite failure: 3 segments exist
after a forceMerge(1)
Key: LUCENE-7144
URL: https://issues.apache.org/jira/browse/LUCENE-7144
Project: Lucene - Core
Issue Type: Bug
Reporter: Steve Rowe
My Jenkins found a reproducible failure on master:
{noformat}
Checking out Revision 7b93fc46b1e284494a500f4df541269bdfa67dcf
(refs/remotes/origin/master)
[...]
[junit4] Suite: org.apache.lucene.search.spans.TestFieldMaskingSpanQuery
[junit4] 2> NOTE: test params are: codec=Asserting(Lucene60):
{gender=FSTOrd50, last=PostingsFormat(name=LuceneVarGapDocFreqInterval),
id=BlockTreeOrds(blocksize=128), first=Lucene50(blocksize=128)}, docValues:{},
maxPointsInLeafNode=734, maxMBSortInHeap=5.661209237449429,
sim=RandomSimilarity(queryNorm=true,coord=no): {gender=DFR I(n)3(800.0),
last=DFR I(n)L1, id=DFR I(n)L1, first=IB SPL-L2}, locale=fr, timezone=Etc/GMT+11
[junit4] 2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation
1.8.0_45 (64-bit)/cpus=16,threads=1,free=213068040,total=315621376
[junit4] 2> NOTE: All tests run in this JVM: [TestInfoStream,
TestBooleanOr, TestBooleanCoord, TestNRTThreads, TestMultiset,
TestTopDocsCollector, TestIndexWriterMaxDocs, TestNIOFSDirectory,
TestIntArrayDocIdSet, TestDocBoost, TestPositiveScoresOnlyCollector,
TestIntBlockPool, TestLegacyNumericUtils, TestPersistentSnapshotDeletionPolicy,
TestIndexWriterOnJRECrash, TestIndexWriterOutOfFileDescriptors, TestTimSorter,
TestIndexWriterUnicode, TestSearcherManager, TestUTF32ToUTF8,
TestLucene50CompoundFormat, TestFieldCacheRewriteMethod, TestVirtualMethod,
TestSegmentInfos, TestFuzzyQuery, TestScoreCachingWrappingScorer,
TestSpansEnum, TestMultiPhraseQuery, TestTragicIndexWriterDeadlock,
TestIndexWriterNRTIsCurrent, TestPointQueries, TestMultiTermConstantScore,
TestComplexExplanationsOfNonMatches, TestDocValues, TestSpanCollection,
TestTopFieldCollector, TestIndexSearcher, Test2BPostings, TestBM25Similarity,
TestRollback, TestSimpleAttributeImpl, TestDocumentsWriterStallControl,
TestSearch, TestBinaryDocValuesUpdates, TestIsCurrent, TestTermVectorsReader,
TestUniqueTermCount, TestRollingBuffer, TestSleepingLockWrapper,
TestSortedSetSelector, TestEarlyTermination, TestConjunctions, TestArrayUtil,
TestSpanNearQuery, Test2BSortedDocValuesOrds, TestNumericTokenStream,
TestSparseFixedBitSet, TestNotDocIdSet, TestDirectory, TestBytesRefAttImpl,
TestSortRescorer, TestDeterminism, TestDocumentWriter, TestParallelLeafReader,
TestIndexWriterLockRelease, TestTermdocPerf, TestSloppyPhraseQuery,
TestSpanFirstQuery, TestApproximationSearchEquivalence,
TestConsistentFieldNumbers, TestRateLimiter, TestSloppyMath,
TestHighCompressionMode, TestSubScorerFreqs, TestBKD, TestRegExp,
TestOmitPositions, TestMergePolicyWrapper, TestPerFieldDocValuesFormat,
TestTotalHitCountCollector, TestAddIndexes, TestSegmentMerger,
TestForceMergeForever, TestLSBRadixSorter, TestNRTCachingDirectory,
TestLucene50StoredFieldsFormatHighCompression, TestIndexWriterReader,
TestSimilarity, TestRoaringDocIdSet, TestFieldMaskingSpanQuery]
[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=TestFieldMaskingSpanQuery -Dtests.seed=EEB9C1523889BD0F
-Dtests.slow=true
-Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt
-Dtests.locale=fr -Dtests.timezone=Etc/GMT+11 -Dtests.asserts=true
-Dtests.file.encoding=UTF-8
[junit4] ERROR 0.00s J1 | TestFieldMaskingSpanQuery (suite) <<<
[junit4] > Throwable #1: java.lang.IllegalArgumentException:
StandardDirectoryReader(segments_1:8 _0(7.0.0):c2 _1(7.0.0):c2 _2(7.0.0):c1)
has 3 segments instead of exactly one
[junit4] > at
__randomizedtesting.SeedInfo.seed([EEB9C1523889BD0F]:0)
[junit4] > at
org.apache.lucene.util.LuceneTestCase.getOnlyLeafReader(LuceneTestCase.java:789)
[junit4] > at
org.apache.lucene.search.spans.TestFieldMaskingSpanQuery.beforeClass(TestFieldMaskingSpanQuery.java:121)
[junit4] > at java.lang.Thread.run(Thread.java:745)
[junit4] Completed [171/415 (1!)] on J1 in 0.02s, 0 tests, 1 error <<<
FAILURES!
{noformat}
>From {{TestFieldMaskingSpanQuery.beforeClass()}}:
{code:java}
118: reader = writer.getReader();
119: writer.forceMerge(1);
120: writer.close();
121: searcher = new IndexSearcher(getOnlyLeafReader(reader));
{code}
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