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https://issues.apache.org/jira/browse/LUCENE-6908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15068321#comment-15068321
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Steve Rowe commented on LUCENE-6908:
------------------------------------
One more reproducible failure from my Jenkins on branch_5x (I'll stop adding
more after this one):
{noformat}
[junit4] Suite: org.apache.lucene.util.TestGeoUtils
[junit4] 1> doc=1431 matched but should not on iteration 50
[junit4] 1> lon=14.089814610779285 lat=88.21761829778552
distanceMeters=310627.1321615869 vs radiusMeters=308762.06620344025
[junit4] 2> NOTE: download the large Jenkins line-docs file by running
'ant get-jenkins-line-docs' in the lucene directory.
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestGeoUtils
-Dtests.method=testGeoRelations -Dtests.seed=70AF7A8C5D104698
-Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true
-Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt
-Dtests.locale=es_CR -Dtests.timezone=Africa/Maputo -Dtests.asserts=true
-Dtests.file.encoding=UTF-8
[junit4] FAILURE 1.28s J3 | TestGeoUtils.testGeoRelations <<<
[junit4] > Throwable #1: java.lang.AssertionError: 1 incorrect hits (see
above)
[junit4] > at
__randomizedtesting.SeedInfo.seed([70AF7A8C5D104698:B28C6E3929E73026]:0)
[junit4] > at
org.apache.lucene.util.TestGeoUtils.testGeoRelations(TestGeoUtils.java:533)
[junit4] > at java.lang.Thread.run(Thread.java:745)
[junit4] 2> NOTE: test params are: codec=Asserting(Lucene54): {},
docValues:{}, sim=DefaultSimilarity, locale=es_CR, timezone=Africa/Maputo
[junit4] 2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation
1.8.0_45 (64-bit)/cpus=16,threads=1,free=426047992,total=514850816
[junit4] 2> NOTE: All tests run in this JVM: [TestGeoUtils]
[junit4] Completed [3/20 (1!)] on J3 in 1.74s, 8 tests, 1 failure <<<
FAILURES!
{noformat}
> TestGeoUtils.testGeoRelations is buggy with irregular rectangles
> ----------------------------------------------------------------
>
> Key: LUCENE-6908
> URL: https://issues.apache.org/jira/browse/LUCENE-6908
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Nicholas Knize
> Attachments: LUCENE-6908.patch, LUCENE-6908.patch, LUCENE-6908.patch,
> LUCENE-6908.patch
>
>
> The {{.testGeoRelations}} method doesn't exactly test the behavior of
> GeoPoint*Query as its using the BKD split technique (instead of quad cell
> division) to divide the space on each pass. For "large" distance queries this
> can create a lot of irregular rectangles producing large radial distortion
> error when using the cartesian approximation methods provided by
> {{GeoUtils}}. This issue improves the accuracy of GeoUtils cartesian
> approximation methods on irregular rectangles without having to cut over to
> an expensive oblate geometry approach.
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