hossman commented on PR #12382:
URL: https://github.com/apache/lucene/pull/12382#issuecomment-1744028622
git bisect has identified `f2bd0bbcdd38cd3c681a9d302bdb856f1a62208d` as the
cause of a recent jenkins failure in `TestBlockMaxConjunction.testRandom` that
reproduces reliably for me locally on `main`
Example of failure...
```
org.apache.lucene.search.TestBlockMaxConjunction > testRandom FAILED
java.lang.AssertionError: Hit 0 docnumbers don't match
Hits length1=1 length2=1
hit=0: doc4=9.615059 shardIndex=-1, doc1215=9.615059 shardIndex=-1
for query:+foo:9 +foo:10 +foo:11 +foo:12 +foo:13
at
__randomizedtesting.SeedInfo.seed([C738B747E3320853:B57492485252BE20]:0)
at org.junit.Assert.fail(Assert.java:89)
at
org.apache.lucene.tests.search.CheckHits.checkEqual(CheckHits.java:229)
at
org.apache.lucene.tests.search.CheckHits.doCheckTopScores(CheckHits.java:709)
at
org.apache.lucene.tests.search.CheckHits.checkTopScores(CheckHits.java:694)
at
org.apache.lucene.search.TestBlockMaxConjunction.testRandom(TestBlockMaxConjunction.java:81)
...
2> NOTE: reproduce with: gradlew test --tests
TestBlockMaxConjunction.testRandom -Dtests.seed=C738B747E3320853
-Dtests.multiplier=2 -Dtests.locale=or -Dtests.timezone=Australia/Tasmania
-Dtests.asserts=true -Dtests.file.encoding=UTF-8
```
git bisect log...
```
$ git bisect log
# bad: [1dd05c89b0836531d367d2692ea5eae7d54b78fd] Add missing create github
release step to release wizard (#12607)
# good: [d62ca4a01f3693e0c6043a48080b33d03fdee8b4] add missing changelog
entry for #12498
git bisect start '1dd05c89b0836531d367d2692ea5eae7d54b78fd'
'd62ca4a01f3693e0c6043a48080b33d03fdee8b4'
# good: [51ade888f3274ea42ed4beb2bf000d7f922de4c7] Update wrong PR number in
CHANGES.txt
git bisect good 51ade888f3274ea42ed4beb2bf000d7f922de4c7
# bad: [ce464c7d6d20f49c2fe29126fcf400ee1cfeb112] Fix test failure.
git bisect bad ce464c7d6d20f49c2fe29126fcf400ee1cfeb112
# good: [3deead0ed32494d7159c0023dcc86c218c43f4eb] Remove deprecated
IndexSearcher#getExecutor method (#12580)
git bisect good 3deead0ed32494d7159c0023dcc86c218c43f4eb
# good: [d48913a957392e2746b489fe5aef77a21250e4b4] Allow reading / writing
binary stored fields as DataInput (#12581)
git bisect good d48913a957392e2746b489fe5aef77a21250e4b4
# bad: [483d28853a03aa57e727f0639032918e725a7032] Move CHANGES entry to
correct version.
git bisect bad 483d28853a03aa57e727f0639032918e725a7032
# bad: [f2bd0bbcdd38cd3c681a9d302bdb856f1a62208d] Run top-level conjunctions
of term queries with a specialized BulkScorer. (#12382)
git bisect bad f2bd0bbcdd38cd3c681a9d302bdb856f1a62208d
# first bad commit: [f2bd0bbcdd38cd3c681a9d302bdb856f1a62208d] Run top-level
conjunctions of term queries with a specialized BulkScorer. (#12382)
```
For the past 2 weeks, `TestBlockMaxConjunction.testRandom` has seen a
roughly ~2% jenkins failure rate per week (with 17 of 746 runs in the past 7
days failing). I have not looked into the failures of the other jenkins builds
to confirm if the tes failure messages are identical.
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