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From "Steve Rowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-7142) Test2BPoints and Test2BBKDPoints.test2D() failure: wrong number of points in split
Date Sun, 27 Mar 2016 04:08:25 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15213322#comment-15213322
] 

Steve Rowe commented on LUCENE-7142:
------------------------------------

{{Test2BBKDPoints.test2D()}} reproduced, but {{Test2BPoints.test2D()}} hit OOM - I didn't
add {{-Dtests.heapsize}} to either invocation.  Retrying {{Test2BPoints.test2D()}} now with
{{-Dtests.heapsize=30g}}.

No, I haven't run the monster tests on 6.0, but it's a good idea, I'll tell my Jenkins to
do that.

> Test2BPoints and Test2BBKDPoints.test2D() failure: wrong number of points in split
> ----------------------------------------------------------------------------------
>
>                 Key: LUCENE-7142
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7142
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Steve Rowe
>
> My Jenkins found failures in {{Test2BBKDPoints}} and {{Test2BPoints}} in the same run
on branch_6x; I've reported here before seeing them reproduce because the tests took 12 and
20 hours to run, respectively.
> {noformat}
> Checking out Revision 39aaa108ac8a85809080e4f7cf2b5ac0cc0d0fe9 (refs/remotes/origin/branch_6x)
> [...]
>    [junit4] HEARTBEAT J0 PID(8991@localhost): 2016-03-26T01:02:55, stalled for 45731s
at: Test2BBKDPoints.test2D
> [...]
>    [junit4] Suite: org.apache.lucene.util.bkd.Test2BBKDPoints
>    [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=Test2BBKDPoints -Dtests.method=test2D
-Dtests.seed=E58B6D2DB5BEBF58 -Dtests.nightly=true -Dtests.slow=true -Dtests.locale=el-GR
-Dtests.timezone=Europe/Warsaw -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
>    [junit4] ERROR   45777s J0 | Test2BBKDPoints.test2D <<<
>    [junit4]    > Throwable #1: java.lang.IllegalStateException: wrong number of points
in split: expected=1073743112 but actual=1
>    [junit4]    > 	at __randomizedtesting.SeedInfo.seed([E58B6D2DB5BEBF58:C82EDF7D5339FEBB]:0)
>    [junit4]    > 	at org.apache.lucene.util.bkd.BKDWriter.build(BKDWriter.java:1224)
>    [junit4]    > 	at org.apache.lucene.util.bkd.BKDWriter.finish(BKDWriter.java:862)
>    [junit4]    > 	at org.apache.lucene.util.bkd.Test2BBKDPoints.test2D(Test2BBKDPoints.java:96)
>    [junit4]    > 	at java.lang.Thread.run(Thread.java:745)
>    [junit4]    > 	Suppressed: org.apache.lucene.index.CorruptIndexException: checksum
passed (62a1e57e). possibly transient resource issue, or a Lucene or JVM bug (resource=BufferedChecksumIndexInput(MMapIndexInput(path="/slow/jenkins/HDD-workspaces/Lucene-core-nightly-monster-6.x/lucene/build/core/test/J0/temp/lucene.util.bkd.Test2BBKDPoints_E58B6D2DB5BEBF58-001/2BBKDPoints2D-001/_0_bkd1_sort_71i.tmp")))
>    [junit4]    > 		at org.apache.lucene.codecs.CodecUtil.checkFooter(CodecUtil.java:409)
>    [junit4]    > 		at org.apache.lucene.util.bkd.BKDWriter.verifyChecksum(BKDWriter.java:988)
>    [junit4]    > 		at org.apache.lucene.util.bkd.BKDWriter.build(BKDWriter.java:1230)
>    [junit4]    > 		... 38 more
>    [junit4]   2> NOTE: leaving temporary files on disk at: /slow/jenkins/HDD-workspaces/Lucene-core-nightly-monster-6.x/lucene/build/core/test/J0/temp/lucene.util.bkd.Test2BBKDPoints_E58B6D2DB5BEBF58-001
>    [junit4]   2> NOTE: test params are: codec=CheapBastard, sim=ClassicSimilarity,
locale=el-GR, timezone=Europe/Warsaw
>    [junit4]   2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation 1.8.0_45
(64-bit)/cpus=16,threads=1,free=1512802208,total=4148166656
>    [junit4]   2> NOTE: All tests run in this JVM: [TestCustomSearcherSort, TestTimSorterWorstCase,
TestPayloadsOnVectors, TestShardSearching, TestNumericDocValuesUpdates, TestCharsRef, TestCompiledAutomaton,
TestFieldValueQuery, TestMutableValues, TestPerFieldPostingsFormat2, TestAtomicUpdate, TestDocumentsWriterDeleteQueue,
TestParallelReaderEmptyIndex, Test2BNumericDocValues, TestQueryBuilder, TestNumericTokenStream,
TestAllFilesHaveChecksumFooter, TestExitableDirectoryReader, TestDeterminism, TestTrackingDirectoryWrapper,
TestConjunctionDISI, TestFilterLeafReader, TestWeakIdentityMap, TestBlendedTermQuery, TestIndexWriterOnVMError,
TestSimpleFSDirectory, TestFixedBitDocIdSet, TestNewestSegment, TestIndexWriterForceMerge,
TestTotalHitCountCollector, Test4GBStoredFields, TestBytesRef, TestSortedSetSortField, TestSentinelIntSet,
TestToken, TestLogMergePolicy, TestIntsRef, TestIndexWriterDelete, TestOperations, TestNeedsScores,
TestSpanFirstQuery, TestPackedInts, TestMultiTermConstantScore, TestReqExclBulkScorer, TestBinaryTerms,
TestFastCompressionMode, TestDirectoryReaderReopen, TestRollingUpdates, TestPagedBytes, TestTryDelete,
TestSegmentMerger, TestMinShouldMatch2, TestPositiveScoresOnlyCollector, TestByteArrayDataInput,
Test2BPagedBytes, TestReusableStringReader, TestBytesRefAttImpl, TestPackedTokenAttributeImpl,
TestGrowableByteArrayDataOutput, TestBlockPostingsFormat, TestBlockPostingsFormat2, TestForUtil,
TestLucene50SegmentInfoFormat, TestLucene50StoredFieldsFormat, TestLucene50StoredFieldsFormatHighCompression,
TestLucene50TermVectorsFormat, TestLucene53NormsFormat, TestLucene54DocValuesFormat, Test2BSortedDocValuesFixedSorted,
TestAllFilesCheckIndexHeader, TestAllFilesDetectTruncation, TestDocInverterPerFieldErrorInfo,
TestDocValues, TestDuelingCodecsAtNight, TestFilterDirectoryReader, TestIndexWriterDeleteByQuery,
TestIndexWriterExceptions2, TestMergePolicyWrapper, TestMergeRateLimiter, TestMixedDocValuesUpdates,
TestMultiTermsEnum, TestNRTReaderCleanup, TestPointValues, TestReadOnlyIndex, TestReaderWrapperDVTypeCheck,
TestSegmentInfos, TestSwappedIndexFiles, TestTermVectors, TestApproximationSearchEquivalence,
TestBooleanCoord, TestBooleanRewrites, TestEarlyTermination, TestIndexSearcher, TestMultiPhraseEnum,
TestQueryRescorer, TestSortedSetSelector, TestClassicSimilarity, TestFilterSpans, TestSpanCollection,
TestSpanContainQuery, TestSpanOrQuery, TestSpanTermQuery, TestSpansEnum, TestBufferedChecksum,
TestFilterDirectory, TestMmapDirectory, TestNIOFSDirectory, TestNativeFSLockFactory, TestRateLimiter,
TestSleepingLockWrapper, TestCharsRefBuilder, TestFrequencyTrackingRingBuffer, TestInPlaceMergeSorter,
TestIntArrayDocIdSet, TestIntroSorter, TestLongBitSet, TestMergedIterator, TestNotDocIdSet,
TestSparseFixedBitDocIdSet, TestTimSorter, TestRegExp, Test2BBKDPoints]
> [...]
>    [junit4] HEARTBEAT J2 PID(8984@localhost): 2016-03-26T06:12:22, stalled for 72912s
at: Test2BPoints.test2D
>    [junit4] Suite: org.apache.lucene.index.Test2BPoints
>    [junit4]   1> TEST: now CheckIndex
>    [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=Test2BPoints -Dtests.method=test2D
-Dtests.seed=E58B6D2DB5BEBF58 -Dtests.nightly=true -Dtests.slow=true -Dtests.locale=ms-MY
-Dtests.timezone=Europe/Rome -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
>    [junit4] ERROR   72944s J2 | Test2BPoints.test2D <<<
>    [junit4]    > Throwable #1: java.lang.IllegalStateException: this writer hit an
unrecoverable error; cannot complete forceMerge
>    [junit4]    > 	at __randomizedtesting.SeedInfo.seed([E58B6D2DB5BEBF58:C82EDF7D5339FEBB]:0)
>    [junit4]    > 	at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:1786)
>    [junit4]    > 	at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:1736)
>    [junit4]    > 	at org.apache.lucene.index.Test2BPoints.test2D(Test2BPoints.java:133)
>    [junit4]    > 	at java.lang.Thread.run(Thread.java:745)
>    [junit4]    > Caused by: java.lang.IllegalStateException: wrong number of points
in split: expected=1073741825 but actual=0
>    [junit4]    > 	at org.apache.lucene.util.bkd.BKDWriter.build(BKDWriter.java:1224)
>    [junit4]    > 	at org.apache.lucene.util.bkd.BKDWriter.finish(BKDWriter.java:862)
>    [junit4]    > 	at org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.writeField(Lucene60PointsWriter.java:115)
>    [junit4]    > 	at org.apache.lucene.codecs.PointsWriter.mergeOneField(PointsWriter.java:58)
>    [junit4]    > 	at org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.merge(Lucene60PointsWriter.java:204)
>    [junit4]    > 	at org.apache.lucene.index.SegmentMerger.mergePoints(SegmentMerger.java:168)
>    [junit4]    > 	at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:117)
>    [junit4]    > 	at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4099)
>    [junit4]    > 	at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3679)
>    [junit4]    > 	at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
>    [junit4]    > 	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
>    [junit4]    > 	Suppressed: org.apache.lucene.index.CorruptIndexException: checksum
passed (90c634e2). possibly transient resource issue, or a Lucene or JVM bug (resource=BufferedChecksumIndexInput(MMapIndexInput(path="/slow/jenkins/HDD-workspaces/Lucene-core-nightly-monster-6.x/lucene/build/core/test/J2/temp/lucene.index.Test2BPoints_E58B6D2DB5BEBF58-001/2BPoints2D-001/_50_bkd0_sort_1iy7.tmp")))
>    [junit4]    > 		at org.apache.lucene.codecs.CodecUtil.checkFooter(CodecUtil.java:409)
>    [junit4]    > 		at org.apache.lucene.util.bkd.BKDWriter.verifyChecksum(BKDWriter.java:988)
>    [junit4]    > 		at org.apache.lucene.util.bkd.BKDWriter.build(BKDWriter.java:1230)
>    [junit4]    > 		... 10 more
>    [junit4]   2> NOTE: leaving temporary files on disk at: /slow/jenkins/HDD-workspaces/Lucene-core-nightly-monster-6.x/lucene/build/core/test/J2/temp/lucene.index.Test2BPoints_E58B6D2DB5BEBF58-001
>    [junit4]   2> Mac 26, 2016 6:12:53 AM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Lucene Merge Thread
#17,5,TGRP-Test2BPoints]
>    [junit4]   2> org.apache.lucene.index.MergePolicy$MergeException: java.lang.IllegalStateException:
wrong number of points in split: expected=1073741825 but actual=0
>    [junit4]   2> 	at __randomizedtesting.SeedInfo.seed([E58B6D2DB5BEBF58]:0)
>    [junit4]   2> 	at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:668)
>    [junit4]   2> 	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:648)
>    [junit4]   2> Caused by: java.lang.IllegalStateException: wrong number of points
in split: expected=1073741825 but actual=0
>    [junit4]   2> 	at org.apache.lucene.util.bkd.BKDWriter.build(BKDWriter.java:1224)
>    [junit4]   2> 	at org.apache.lucene.util.bkd.BKDWriter.finish(BKDWriter.java:862)
>    [junit4]   2> 	at org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.writeField(Lucene60PointsWriter.java:115)
>    [junit4]   2> 	at org.apache.lucene.codecs.PointsWriter.mergeOneField(PointsWriter.java:58)
>    [junit4]   2> 	at org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.merge(Lucene60PointsWriter.java:204)
>    [junit4]   2> 	at org.apache.lucene.index.SegmentMerger.mergePoints(SegmentMerger.java:168)
>    [junit4]   2> 	at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:117)
>    [junit4]   2> 	at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4099)
>    [junit4]   2> 	at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3679)
>    [junit4]   2> 	at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
>    [junit4]   2> 	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
>    [junit4]   2> 	Suppressed: org.apache.lucene.index.CorruptIndexException: checksum
passed (90c634e2). possibly transient resource issue, or a Lucene or JVM bug (resource=BufferedChecksumIndexInput(MMapIndexInput(path="/slow/jenkins/HDD-workspaces/Lucene-core-nightly-monster-6.x/lucene/build/core/test/J2/temp/lucene.index.Test2BPoints_E58B6D2DB5BEBF58-001/2BPoints2D-001/_50_bkd0_sort_1iy7.tmp")))
>    [junit4]   2> 		at org.apache.lucene.codecs.CodecUtil.checkFooter(CodecUtil.java:409)
>    [junit4]   2> 		at org.apache.lucene.util.bkd.BKDWriter.verifyChecksum(BKDWriter.java:988)
>    [junit4]   2> 		at org.apache.lucene.util.bkd.BKDWriter.build(BKDWriter.java:1230)
>    [junit4]   2> 		... 10 more
>    [junit4]   2> 
>    [junit4]   2> Mar 26, 2016 6:12:53 AM com.carrotsearch.randomizedtesting.ThreadLeakControl
checkThreadLeaks
>    [junit4]   2> WARNING: Will linger awaiting termination of 1 leaked thread(s).
>    [junit4]   2> NOTE: test params are: codec=CheapBastard, sim=ClassicSimilarity,
locale=ms-MY, timezone=Europe/Rome
>    [junit4]   2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation 1.8.0_45
(64-bit)/cpus=16,threads=1,free=110605288,total=675807232
>    [junit4]   2> NOTE: All tests run in this JVM: [TestSortedSetDocValues, TestDocValuesScoring,
TestHugeRamFile, TestStringHelper, TestCodecHoldsOpenFiles, TestNGramPhraseQuery, TestUsageTrackingFilterCachingPolicy,
TestSpanNotQuery, TestFieldType, TestLRUQueryCache, TestFixedBitSet, TestNumericUtils, TestMultiPhraseQuery,
TestFuzzyQuery, TestCachingTokenFilter, TestMultiLevelSkipList, TestNumericRangeQuery32, TestIndexWriterNRTIsCurrent,
TestForceMergeForever, TestCachingCollector, TestNumericRangeQuery64, TestDocumentWriter,
TestSegmentTermEnum, TestPositionIncrement, LimitedFiniteStringsIteratorTest, TestSpanBoostQuery,
TestIndexWriterThreadsToSegments, TestIndexWriterFromReader, TestRecyclingIntBlockAllocator,
TestSingleInstanceLockFactory, TestPrefixCodedTerms, TestMaxPosition, TestDocValuesRewriteMethod,
TestRollingBuffer, TestAssertions, FuzzyTermOnShortTermsTest, TestTerms, TestMergeSchedulerExternal,
TestSPIClassIterator, TestIOUtils, TestQueryCachingPolicy, TestCrash, TestIndexWriterReader,
TestBooleanMinShouldMatch, TestDuelingCodecs, TestSortedNumericSortField, TestCodecUtil, TestLucene50FieldInfoFormat,
TestUTF32ToUTF8, TestTermdocPerf, TestIndexWriterOnDiskFull, TestDirectPacked, TestIndexWriter,
TestBytesStore, TestIndexWriterWithThreads, TestIndexWriterExceptions, TestSearcherManager,
TestDeletionPolicy, TestBasics, TestFlushByRamOrCountsPolicy, TestSloppyPhraseQuery, TestNRTThreads,
TestBoolean2, TestStressAdvance, TestNorms, TestSearchWithThreads, TestConcurrentMergeScheduler,
TestDocumentsWriterStallControl, TestNeverDelete, TestTopDocsMerge, TestLongPostings, TestMinimize,
TestNRTReaderWithThreads, TestTieredMergePolicy, TestPerFieldPostingsFormat, TestLevenshteinAutomata,
TestBufferedIndexInput, TestTermsEnum, TestSimpleExplanations, TestLockFactory, TestPhraseQuery,
TestCollectionUtil, TestBagOfPositions, TestOmitNorms, TestComplexExplanations, TestRegexpRandom2,
TestNRTCachingDirectory, TestSegmentReader, TestFastDecompressionMode, TestParallelCompositeReader,
TestTransactions, TestMultiThreadTermVectors, TestSegmentTermDocs, TestSort, TestMultiDocValues,
TestFieldsReader, TestDocValuesIndexing, TestTermsEnum2, TestLegacyNumericUtils, TestPostingsOffsets,
TestMixedCodecs, TestFlex, TestStressIndexing2, TestRAMDirectory, TestTermVectorsWriter, TestCodecs,
TestCharTermAttributeImpl, TestParallelLeafReader, TestBytesRefHash, TestThreadedForceMerge,
TestStressNRT, TestSloppyPhraseQuery2, TestDisjunctionMaxQuery, TestOmitTf, TestSameScoresWithThreads,
TestTermRangeQuery, TestCrashCausesCorruptIndex, TestLiveFieldValues, TestForTooMuchCloning,
TestPayloads, TestDoc, TestWildcard, TestSimilarity2, TestFieldMaskingSpanQuery, TestExternalCodecs,
TestNoDeletionPolicy, TestSimpleExplanationsOfNonMatches, TestTermVectorsReader, TestPerSegmentDeletes,
TestMultiValuedNumericRangeQuery, TestIntBlockPool, TestTopDocsCollector, TestUniqueTermCount,
TestBooleanQuery, TestUnicodeUtil, TestAllFilesHaveCodecHeader, TestAutomatonQuery, TestDocument,
TestTopFieldCollector, TestFileSwitchDirectory, TestSumDocFreq, TestIndexableField, TestWildcardRandom,
TestPrefixRandom, TestDirectory, TestRegexpRandom, TestCheckIndex, TestSpanMultiTermQueryWrapper,
TestBooleanQueryVisitSubscorers, TestSizeBoundedForceMerge, TestIndexFileDeleter, TestConstantScoreQuery,
TestMatchAllDocsQuery, TestParallelTermEnum, TestElevationComparator, TestSubScorerFreqs,
TestConjunctions, TestSimilarity, TestVirtualMethod, TestSimilarityProvider, TestSetOnce,
TestSearch, TestFilterIterator, Test2BPostings, TestSameTokenSamePosition, TestDocCount, TestBinaryDocument,
TestAutomatonQueryUnicode, TestAttributeSource, TestBooleanScorer, TestRamUsageEstimator,
TestNoMergePolicy, TestNoMergeScheduler, TestNamedSPILoader, TestIndexWriterLockRelease, TestPhrasePrefixQuery,
TestRollback, TestTwoPhaseCommitTool, TestCloseableThreadLocal, MultiCollectorTest, TestDocBoost,
Test2BPositions, TestIndexCommit, TestTerm, Test2BPostingsBytes, Test2BPoints]
>    [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=Test2BPoints -Dtests.seed=E58B6D2DB5BEBF58
-Dtests.nightly=true -Dtests.slow=true -Dtests.locale=ms-MY -Dtests.timezone=Europe/Rome -Dtests.asserts=true
-Dtests.file.encoding=US-ASCII
>    [junit4] ERROR   0.00s J2 | Test2BPoints (suite) <<<
>    [junit4]    > Throwable #1: com.carrotsearch.randomizedtesting.UncaughtExceptionError:
Captured an uncaught exception in thread: Thread[id=4892, name=Lucene Merge Thread #17, state=RUNNABLE,
group=TGRP-Test2BPoints]
>    [junit4]    > Caused by: org.apache.lucene.index.MergePolicy$MergeException: java.lang.IllegalStateException:
wrong number of points in split: expected=1073741825 but actual=0
>    [junit4]    > 	at __randomizedtesting.SeedInfo.seed([E58B6D2DB5BEBF58]:0)
>    [junit4]    > 	at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:668)
>    [junit4]    > 	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:648)
>    [junit4]    > Caused by: java.lang.IllegalStateException: wrong number of points
in split: expected=1073741825 but actual=0
>    [junit4]    > 	at org.apache.lucene.util.bkd.BKDWriter.build(BKDWriter.java:1224)
>    [junit4]    > 	at org.apache.lucene.util.bkd.BKDWriter.finish(BKDWriter.java:862)
>    [junit4]    > 	at org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.writeField(Lucene60PointsWriter.java:115)
>    [junit4]    > 	at org.apache.lucene.codecs.PointsWriter.mergeOneField(PointsWriter.java:58)
>    [junit4]    > 	at org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.merge(Lucene60PointsWriter.java:204)
>    [junit4]    > 	at org.apache.lucene.index.SegmentMerger.mergePoints(SegmentMerger.java:168)
>    [junit4]    > 	at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:117)
>    [junit4]    > 	at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4099)
>    [junit4]    > 	at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3679)
>    [junit4]    > 	at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
>    [junit4]    > 	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
>    [junit4]    > 	Suppressed: org.apache.lucene.index.CorruptIndexException: checksum
passed (90c634e2). possibly transient resource issue, or a Lucene or JVM bug (resource=BufferedChecksumIndexInput(MMapIndexInput(path="/slow/jenkins/HDD-workspaces/Lucene-core-nightly-monster-6.x/lucene/build/core/test/J2/temp/lucene.index.Test2BPoints_E58B6D2DB5BEBF58-001/2BPoints2D-001/_50_bkd0_sort_1iy7.tmp")))
>    [junit4]    > 		at org.apache.lucene.codecs.CodecUtil.checkFooter(CodecUtil.java:409)
>    [junit4]    > 		at org.apache.lucene.util.bkd.BKDWriter.verifyChecksum(BKDWriter.java:988)
>    [junit4]    > 		at org.apache.lucene.util.bkd.BKDWriter.build(BKDWriter.java:1230)
>    [junit4]    > 		... 10 more
>    [junit4] Completed [415/415 (3!)] on J2 in 82560.59s, 2 tests, 2 errors <<<
FAILURES!
> {noformat}
> FWIW, here's how the suite was run (via Jenkins):
> {noformat}
> ant -f lucene/core/build.xml clean test -Dtests.jvms=4 -Dtests.nightly=true -Dtests.monster=true
-Dtests.heapsize=30g
> {noformat}



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