Gautam Worah created LUCENE-9949: ------------------------------------ Summary: Flaky test in TestCachePurging.testBackgroundPurges Key: LUCENE-9949 URL: https://issues.apache.org/jira/browse/LUCENE-9949 Project: Lucene - Core Issue Type: Improvement Components: core/other Affects Versions: main (9.0) Environment: Ubuntu 18.04.5 LTS
Java 11 Reporter: Gautam Worah While executing the `./gradlew check` command on an unrelated change, my tests crashed on this test case with the following error log: >>>>> org.apache.lucene.monitor.TestCachePurging > testBackgroundPurges FAILED java.lang.AssertionError: expected:<-1> but was:<21196529334563> at __randomizedtesting.SeedInfo.seed([4DDD0C97DB8E50CC:5D664A5C8BA9CD8C]:0) at org.junit.Assert.fail(Assert.java:89) at org.junit.Assert.failNotEquals(Assert.java:835) at org.junit.Assert.assertEquals(Assert.java:647) at org.junit.Assert.assertEquals(Assert.java:633) at org.apache.lucene.monitor.TestCachePurging.testBackgroundPurges(TestCachePurging.java:142) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:567) at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1754) at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:942) at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:978) at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:992) at org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:44) at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43) at org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45) at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60) at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370) at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:819) at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:470) at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:951) at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:836) at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:887) at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:898) at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43) at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38) 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 org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53) at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43) at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44) at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60) at org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370) at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:826) at java.base/java.lang.Thread.run(Thread.java:830) org.apache.lucene.monitor.TestCachePurging > test suite's output saved to /home/ghw/study_ghw/lucene/lucene/monitor/build/test-results/test/outputs/OUTPUT-org.apache.lucene.monitor.TestCachePurging.txt, copied below: > java.lang.AssertionError: expected:<-1> but was:<21196529334563> > at __randomizedtesting.SeedInfo.seed([4DDD0C97DB8E50CC:5D664A5C8BA9CD8C]:0) > at org.junit.Assert.fail(Assert.java:89) > at org.junit.Assert.failNotEquals(Assert.java:835) > at org.junit.Assert.assertEquals(Assert.java:647) > at org.junit.Assert.assertEquals(Assert.java:633) > at > org.apache.lucene.monitor.TestCachePurging.testBackgroundPurges(TestCachePurging.java:142) > at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native > Method) > at > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.base/java.lang.reflect.Method.invoke(Method.java:567) > at > com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1754) > at > com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:942) > at > com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:978) > at > com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:992) > at > org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:44) > at > org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43) > at > org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45) > at > org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60) > at > org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44) > at org.junit.rules.RunRules.evaluate(RunRules.java:20) > at > com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) > at > com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370) > at > com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:819) > at > com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:470) > at > com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:951) > at > com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:836) > at > com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:887) > at > com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:898) > at > org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43) > at > com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) > at > org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38) > 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 > org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53) > at > org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43) > at > org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44) > at > org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60) > at > org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47) > at org.junit.rules.RunRules.evaluate(RunRules.java:20) > at > com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) > at > com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370) > at > com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:826) > at java.base/java.lang.Thread.run(Thread.java:830) 2> NOTE: reproduce with: gradlew test --tests TestCachePurging.testBackgroundPurges -Dtests.seed=4DDD0C97DB8E50CC -Dtests.slow=true -Dtests.badapples=true -Dtests.locale=shi-Tfng -Dtests.timezone=Antarctica/McMurdo -Dtests.asserts=true -Dtests.file.encoding=UTF-8 2> NOTE: test params are: codec=Asserting(Lucene90): \{field=TestBloomFilteredLucenePostings(BloomFilteringPostingsFormat(Lucene90)), _query_id=PostingsFormat(name=Direct)}, docValues:\{_mq=DocValuesFormat(name=Lucene90), _cache_id=DocValuesFormat(name=Lucene90), _query_id=DocValuesFormat(name=Asserting)}, maxPointsInLeafNode=1939, maxMBSortInHeap=5.0141647546104515, sim=Asserting(RandomSimilarity(queryNorm=false): {}), locale=shi-Tfng, timezone=Antarctica/McMurdo 2> NOTE: Linux 4.15.0-142-generic amd64/Oracle Corporation 13 (64-bit)/cpus=4,threads=1,free=146228880,total=270532608 2> NOTE: All tests run in this JVM: [TestSuffixingNGramTokenizer, TestTermsEnumTokenFilter, TestMultipassPresearcher, TestSpanExtractors, TestMatchAllPresearcher, TestParallelMatcher, TestQueryTermComparators, TestExplainingMatcher, TestRegexpQueryHandler, TestSimilarities, TestPresearcherMatchCollector, TestTermPresearcher, TestCachePurging] :lucene:monitor:test (FAILURE): 171 test(s), 1 failure(s), 1 skipped >>>>> I tried replaying that test with the random seed with both `./gradlew check -Ptests.seed=4DDD0C97DB8E50CC:5D664A5C8BA9CD8C ` and `./gradlew test --tests TestCachePurging.testBackgroundPurges -Dtests.seed=4DDD0C97DB8E50CC -Dtests.slow=true -Dtests.badapples=true -Dtests.locale=shi-Tfng`, but both commands passed successfully. This issue is to investigate why that flaky test failed. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org