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https://issues.apache.org/jira/browse/LUCENE-7728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alan Woodward resolved LUCENE-7728.
-----------------------------------
Resolution: Fixed
Assignee: Alan Woodward
Fix Version/s: 7.3
> TestGrouping.testRandom() failures
> ----------------------------------
>
> Key: LUCENE-7728
> URL: https://issues.apache.org/jira/browse/LUCENE-7728
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Steve Rowe
> Assignee: Alan Woodward
> Priority: Major
> Fix For: 7.3
>
>
> My Jenkins found a reproducing branch_6x seed:
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestGrouping
> -Dtests.method=testRandom -Dtests.seed=6F0B519BBDC786B3 -Dtests.slow=true
> -Dtests.locale=en-CA -Dtests.timezone=Europe/Zagreb -Dtests.asserts=true
> -Dtests.file.encoding=US-ASCII
> [junit4] FAILURE 2.50s J0 | TestGrouping.testRandom <<<
> [junit4] > Throwable #1: java.lang.AssertionError: expected:<10> but
> was:<29>
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([6F0B519BBDC786B3:1D4774940CA730C0]:0)
> [junit4] > at
> org.apache.lucene.search.grouping.TestGrouping.assertEquals(TestGrouping.java:1288)
> [junit4] > at
> org.apache.lucene.search.grouping.TestGrouping.testRandom(TestGrouping.java:1130)
> [junit4] > at java.lang.Thread.run(Thread.java:745)
> [junit4] 2> NOTE: test params are: codec=Asserting(Lucene62):
> {groupend=Lucene50(blocksize=128), sort1=PostingsFormat(name=Memory
> doPackFST= true), sort2=Lucene50(blocksize=128),
> content=PostingsFormat(name=Memory doPackFST= false),
> group=PostingsFormat(name=Memory doPackFST= true)},
> docValues:{groupend=DocValuesFormat(name=Direct),
> author=DocValuesFormat(name=Memory), sort1=DocValuesFormat(name=Memory),
> id=DocValuesFormat(name=Memory), sort2=DocValuesFormat(name=Direct),
> content=DocValuesFormat(name=Lucene54), group=DocValuesFormat(name=Memory)},
> maxPointsInLeafNode=454, maxMBSortInHeap=6.048552291438714,
> sim=RandomSimilarity(queryNorm=false,coord=no): {content=DFI(Saturated)},
> locale=en-CA, timezone=Europe/Zagreb
> [junit4] 2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation
> 1.8.0_77 (64-bit)/cpus=16,threads=1,free=485264792,total=514850816
> {noformat}
> {{git bisect}} says the first bad commit is this one:
> [http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/6d952076], but
> that just removed {{BooleanSimilarity}} from the {{RandomSimilarity}}'s
> candidates list, which in this case likely has the side effect of picking a
> different similarity with this seed. So the problem is almost certainly
> older than this.
> Policeman Jenkins reported a master seed four weeks ago
> [https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/18890/] for a
> failure that's still reproducing for me on Linux w/ Java8:
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestGrouping
> -Dtests.method=testRandom -Dtests.seed=381A6A2BB3B21736 -Dtests.multiplier=3
> -Dtests.slow=true -Dtests.locale=nyn -Dtests.timezone=Antarctica/McMurdo
> -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
> [junit4] FAILURE 8.72s J0 | TestGrouping.testRandom <<<
> [junit4] > Throwable #1: java.lang.AssertionError: expected:<2526> but
> was:<1818>
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([381A6A2BB3B21736:4A564F2402D2A145]:0)
> [junit4] > at
> org.apache.lucene.search.grouping.TestGrouping.assertEquals(TestGrouping.java:1299)
> [junit4] > at
> org.apache.lucene.search.grouping.TestGrouping.testRandom(TestGrouping.java:1141)
> [junit4] > at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [junit4] > at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> [junit4] > at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> [junit4] > at
> java.base/java.lang.reflect.Method.invoke(Method.java:543)
> [junit4] > at java.base/java.lang.Thread.run(Thread.java:844)
> [junit4] 2> NOTE: test params are: codec=Asserting(Lucene70):
> {groupend=PostingsFormat(name=Direct),
> sort1=PostingsFormat(name=LuceneVarGapFixedInterval),
> sort2=PostingsFormat(name=Direct),
> content=PostingsFormat(name=LuceneVarGapDocFreqInterval),
> group=PostingsFormat(name=LuceneVarGapFixedInterval)},
> docValues:{groupend=DocValuesFormat(name=Lucene70),
> author=DocValuesFormat(name=Memory), sort1=DocValuesFormat(name=Memory),
> id=DocValuesFormat(name=Memory), sort2=DocValuesFormat(name=Lucene70),
> content=DocValuesFormat(name=Direct), group=DocValuesFormat(name=Memory)},
> maxPointsInLeafNode=1292, maxMBSortInHeap=6.668104559353747,
> sim=RandomSimilarity(queryNorm=true): {content=DFI(Standardized)},
> locale=nyn, timezone=Antarctica/McMurdo
> [junit4] 2> NOTE: Linux 4.4.0-53-generic i386/Oracle Corporation 9-ea
> (32-bit)/cpus=12,threads=1,free=23290544,total=79691776
> {noformat}
> {{git bisect}} points to the exact same first bad commit for this seed too
> (see above).
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