Seems it's because this MockRandomMergePolicy change <https://github.com/apache/lucene/blob/main/lucene/test-framework/src/java/org/apache/lucene/tests/index/MockRandomMergePolicy.java#L242> recently makes ParallelLeafReader unhappy - it's reading two parallel segments from 2 dir and this MP makes one of the segments' documents order reversed.
But should be just test util issue and not affecting release. Adrien do you want to take a look? I'm not sure what's the best way to fix it, adding an index sort for that test seems a bit overkill? Patrick On Fri, Dec 1, 2023 at 2:06 PM Michael McCandless <luc...@mikemccandless.com> wrote: > Hmm this reproduces for me, and looks new/unique. Could it be related to > recent 9.9.0 changes / release blocker? > > Mike > > On Fri, Dec 1, 2023 at 3:33 PM Policeman Jenkins Server < > jenk...@thetaphi.de> wrote: > >> Build: https://jenkins.thetaphi.de/job/Lucene-9.x-Linux/14204/ >> Java: 64bit/hotspot/jdk-11.0.21 -XX:+UseCompressedOops -XX:+UseParallelGC >> >> 1 tests failed. >> FAILED: org.apache.lucene.index.TestParallelLeafReader.testQueries >> >> Error Message: >> org.junit.ComparisonFailure: expected:<v[2]> but was:<v[1]> >> >> Stack Trace: >> org.junit.ComparisonFailure: expected:<v[2]> but was:<v[1]> >> at >> __randomizedtesting.SeedInfo.seed([6CA57EA3FB50CA0D:302BB278E1397FA3]:0) >> at org.junit.Assert.assertEquals(Assert.java:117) >> at org.junit.Assert.assertEquals(Assert.java:146) >> at >> org.apache.lucene.index.TestParallelLeafReader.queryTest(TestParallelLeafReader.java:263) >> at >> org.apache.lucene.index.TestParallelLeafReader.testQueries(TestParallelLeafReader.java:48) >> 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:566) >> at >> com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758) >> at >> com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946) >> at >> com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982) >> at >> com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996) >> at >> org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48) >> at >> org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43) >> at >> org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45) >> at >> org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60) >> at >> org.apache.lucene.tests.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:390) >> at >> com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843) >> at >> com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490) >> at >> com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955) >> at >> com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840) >> at >> com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891) >> at >> com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902) >> at >> org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43) >> at >> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) >> at >> org.apache.lucene.tests.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.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53) >> at >> org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43) >> at >> org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44) >> at >> org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60) >> at >> org.apache.lucene.tests.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:390) >> at >> com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850) >> at java.base/java.lang.Thread.run(Thread.java:829) >> >> 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