[LUCENE-7161] TestMoreLikeThis.testMultiFieldShouldReturnPerFieldBooleanQuery assertion error

• Type: Bug
• Status: Reopened
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 6.7, 7.0
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Michael McCandless
• Created: 01/Apr/16 09:18
• Updated: 28/Aug/22 14:54

Description

I just hit this unrelated but reproducible on master #cc75be53f9b3b86ec59cb93896c4fd5a9a5926b2 while tweaking earth's radius:

   [junit4] Suite: org.apache.lucene.queries.mlt.TestMoreLikeThis
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestMoreLikeThis -Dtests.method=testMultiFieldShouldReturnPerFieldBooleanQuery -Dtests.seed=794526110651C8E6 -Dtests.locale=es-HN -Dtests.timezone=Brazil/West -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
   [junit4] FAILURE 0.25s | TestMoreLikeThis.testMultiFieldShouldReturnPerFieldBooleanQuery <<<
   [junit4]    > Throwable #1: java.lang.AssertionError
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([794526110651C8E6:1DF67ED7BBBF4E1D]:0)
   [junit4]    > 	at org.apache.lucene.queries.mlt.TestMoreLikeThis.testMultiFieldShouldReturnPerFieldBooleanQuery(TestMoreLikeThis.java:320)
   [junit4]    > 	at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> NOTE: test params are: codec=CheapBastard, sim=ClassicSimilarity, locale=es-HN, timezone=Brazil/West
   [junit4]   2> NOTE: Linux 3.13.0-71-generic amd64/Oracle Corporation 1.8.0_60 (64-bit)/cpus=8,threads=1,free=409748864,total=504889344
   [junit4]   2> NOTE: All tests run in this JVM: [TestMoreLikeThis]
   [junit4] Completed [1/1 (1!)] in 0.45s, 1 test, 1 failure <<< FAILURES!
   [junit4] 
   [junit4] 
   [junit4] Tests with failures [seed: 794526110651C8E6]:
   [junit4]   - org.apache.lucene.queries.mlt.TestMoreLikeThis.testMultiFieldShouldReturnPerFieldBooleanQuery

Likely related to LUCENE-6954?