[JENKINS] Lucene-Solr-Tests-8.x - Build # 1270 - Unstable

[Apache Jenkins Server <je...@builds.apache.org>]

Build: https://builds.apache.org/job/Lucene-Solr-Tests-8.x/1270/

1 tests failed.
FAILED:  org.apache.lucene.index.TestIndexWriterMergePolicy.testMergeOnCommit

Error Message:
expected:<1> but was:<6>

Stack Trace:
java.lang.AssertionError: expected:<1> but was:<6>
	at __randomizedtesting.SeedInfo.seed([1F6CAE459F1A8285:3BEAB4427EFF60A5]:0)
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:834)
	at org.junit.Assert.assertEquals(Assert.java:645)
	at org.junit.Assert.assertEquals(Assert.java:631)
	at org.apache.lucene.index.TestIndexWriterMergePolicy.testMergeOnCommit(TestIndexWriterMergePolicy.java:400)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
	at org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
	at org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
	at org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
	at java.lang.Thread.run(Thread.java:748)




Build Log:
[...truncated 990 lines...]
   [junit4] Suite: org.apache.lucene.index.TestIndexWriterMergePolicy
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestIndexWriterMergePolicy -Dtests.method=testMergeOnCommit -Dtests.seed=1F6CAE459F1A8285 -Dtests.multiplier=2 -Dtests.slow=true -Dtests.locale=zh-TW -Dtests.timezone=Europe/Minsk -Dtests.asserts=true -Dtests.file.encoding=ISO-8859-1
   [junit4] FAILURE 21.3s J1 | TestIndexWriterMergePolicy.testMergeOnCommit <<<
   [junit4]    > Throwable #1: java.lang.AssertionError: expected:<1> but was:<6>
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([1F6CAE459F1A8285:3BEAB4427EFF60A5]:0)
   [junit4]    > 	at org.apache.lucene.index.TestIndexWriterMergePolicy.testMergeOnCommit(TestIndexWriterMergePolicy.java:400)
   [junit4]    > 	at java.lang.Thread.run(Thread.java:748)
   [junit4] IGNOR/A 0.00s J1 | TestIndexWriterMergePolicy.testMaxBufferedDocsChange
   [junit4]    > Assumption #1: 'nightly' test group is disabled (@Nightly())
   [junit4]   2> Mar 05, 2020 11:46:11 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=Lucene84, sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@ff62ec4), locale=zh-TW, timezone=Europe/Minsk
   [junit4]   2> NOTE: Linux 4.15.0-54-generic amd64/Oracle Corporation 1.8.0_191 (64-bit)/cpus=4,threads=1,free=64519552,total=265289728
   [junit4]   2> NOTE: All tests run in this JVM: [TestNewestSegment, TestPointQueries, TestParallelLeafReader, Test2BBKDPoints, TestMatchNoDocsQuery, TestFstDirectAddressing, Test2BPostingsBytes, TestReadOnlyIndex, TestSizeBoundedForceMerge, TestSortedNumericSortField, TestLongBitSet, TestIndexWriterOnDiskFull, TestSearchWithThreads, TestSloppyMath, TestDocCount, TestBufferedChecksum, TestDocumentsWriterDeleteQueue, TestTopFieldCollectorEarlyTermination, TestUsageTrackingFilterCachingPolicy, TestCustomTermFreq, TestDocument, TestRegexpQuery, TestBagOfPostings, TestApproximationSearchEquivalence, TestFieldType, TestMmapDirectory, TestFilterDirectoryReader, TestInPlaceMergeSorter, TestSPIClassIterator, TestOmitNorms, TestDisjunctionMaxQuery, TestGrowableByteArrayDataOutput, TestShardSearching, TestIndexSearcher, TestLongRangeFieldQueries, TestSearch, TestLatLonPolygonShapeQueries, TestAllFilesHaveCodecHeader, TestCachingTokenFilter, TestFastLZ4, TestBytesRefArray, TestDocsAndPositions, TestLucene50StoredFieldsFormatMergeInstance, TestDocValues, Test2BPoints, TestTopDocsCollector, TestPrefixInBooleanQuery, TestMultiTermQueryRewrites, TestSimpleExplanations, TestNRTReaderWithThreads, TestPackedInts, TestPackedTokenAttributeImpl, TestDoubleValuesSource, TestFloatRangeFieldQueries, TestNearSpansOrdered, TestMixedDocValuesUpdates, TestNoMergeScheduler, TestWildcardRandom, TestIndexWriterMergePolicy]
   [junit4] Completed [205/563 (1!)] on J1 in 24.21s, 8 tests, 1 failure, 1 skipped <<< FAILURES!

[...truncated 67656 lines...]