Looks like we have an issue already:
https://github.com/apache/lucene/issues/15467
Am 05.12.2025 um 11:24 schrieb Uwe Schindler:
Hi,
it looks like this Lucene 9.5 codec fails quite often in the backwards
codecs. Could it be that this is caused by some new additions in
BaseKnnVectorsFormatTestCase#testRandomWithUpdatesAndGraph() which are
not compatible to the older codec format?
Interestingly it does not fail all the time. I wonder because older
codecs should have no write support, so how can this fail with a
broken index if it is not created by the test?
Uwe
Am 05.12.2025 um 07:43 schrieb Policeman Jenkins Server:
Build: https://jenkins.thetaphi.de/job/Lucene-main-Linux/60698/
Java: 64bit/hotspot/jdk-25 -XX:-UseCompressedOops -XX:+UseSerialGC
1 tests failed.
FAILED:
org.apache.lucene.backward_codecs.lucene95.TestLucene95HnswVectorsFormat.testRandomWithUpdatesAndGraph
Error Message:
org.apache.lucene.index.CheckIndex$CheckIndexException: Field "field"
has repeated neighbors of node 107 with value 6
Stack Trace:
org.apache.lucene.index.CheckIndex$CheckIndexException: Field "field"
has repeated neighbors of node 107 with value 6
at
__randomizedtesting.SeedInfo.seed([5EE7C436FFD326EE:203A012B48B88E8D]:0)
at
app/[email protected]/org.apache.lucene.index.CheckIndex.testHnswGraph(CheckIndex.java:3035)
at
app/[email protected]/org.apache.lucene.index.CheckIndex.testHnswGraphs(CheckIndex.java:2919)
at
app/[email protected]/org.apache.lucene.index.CheckIndex.testSegment(CheckIndex.java:1126)
at
app/[email protected]/org.apache.lucene.index.CheckIndex.checkIndex(CheckIndex.java:823)
at
app/[email protected]/org.apache.lucene.index.CheckIndex.checkIndex(CheckIndex.java:593)
at
app/[email protected]/org.apache.lucene.tests.util.TestUtil.checkIndex(TestUtil.java:333)
at
app/[email protected]/org.apache.lucene.tests.store.MockDirectoryWrapper.close(MockDirectoryWrapper.java:917)
at
app/[email protected]/org.apache.lucene.tests.index.BaseKnnVectorsFormatTestCase.testRandomWithUpdatesAndGraph(BaseKnnVectorsFormatTestCase.java:1615)
at
java.base@25/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base@25/java.lang.reflect.Method.invoke(Method.java:565)
at
app/[email protected]/com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1763)
at
app/[email protected]/com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
at
app/[email protected]/com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
at
app/[email protected]/com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
at
app/[email protected]/org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
at
app/[email protected]/org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
at
app/[email protected]/org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
at
app/[email protected]/org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
at
app/[email protected]/org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
at
app/[email protected]/org.junit.rules.RunRules.evaluate(RunRules.java:20)
at
app/[email protected]/com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
at
app/[email protected]/com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
at
app/[email protected]/com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
at
app/[email protected]/com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
at
app/[email protected]/com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
at
app/[email protected]/com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
at
app/[email protected]/com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
at
app/[email protected]/com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
at
app/[email protected]/org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
at
app/[email protected]/com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
at
app/[email protected]/org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
at
app/[email protected]/com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
at
app/[email protected]/com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
at
app/[email protected]/com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
at
app/[email protected]/com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
at
app/[email protected]/org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:52)
at
app/[email protected]/org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
at
app/[email protected]/org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
at
app/[email protected]/org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
at
app/[email protected]/org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
at
app/[email protected]/org.junit.rules.RunRules.evaluate(RunRules.java:20)
at
app/[email protected]/com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
at
app/[email protected]/com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
at
app/[email protected]/com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
at java.base@25/java.lang.Thread.run(Thread.java:1474)
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Uwe Schindler
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https://www.thetaphi.de
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