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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-6753) TestFieldSkew test failure
Date Thu, 20 Aug 2015 15:36:45 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-6753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14705136#comment-14705136
] 

Robert Muir commented on LUCENE-6753:
-------------------------------------

Looks like after the reopen the simple boolean query no longer works (unless i screwed up
actual/expected, which is possible):

{noformat}
 [junit4]    > Throwable #1: java.lang.AssertionError: DefaultSimilarity: actual=0.0 =
No matching clauses
   [junit4]    > ,expected=0.2169777 = sum of:
{noformat}

Note, explanation is used to do the score comparison, so maybe there is some issue with explain()
?

> TestFieldSkew test failure
> --------------------------
>
>                 Key: LUCENE-6753
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6753
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>
> This test adds empty documents with no field contents, then reopens and asserts that
scores are the same. Its not supposed to be a random test, it just does a simple execution
against each query.
> But it fails with this seed in trunk (i committed some improved debugging):
> {noformat}
> ant test  -Dtestcase=TestSimilarity2 -Dtests.method=testNoFieldSkew -Dtests.seed=216F1F3C38561BEF
-Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true -Dtests.locale=es_ES -Dtests.timezone=America/Catamarca
-Dtests.asserts=true -Dtests.file.encoding=UTF-8
>    [junit4]    > Throwable #1: java.lang.AssertionError: DefaultSimilarity: actual=0.0
= No matching clauses
>    [junit4]    > ,expected=0.2169777 = sum of:
>    [junit4]    >   0.10848885 = weight(foo:bar in 0) [DefaultSimilarity], result of:
>    [junit4]    >     0.10848885 = score(doc=0,freq=1.0), product of:
>    [junit4]    >       0.70710677 = queryWeight, product of:
>    [junit4]    >         0.30685282 = idf(docFreq=1, docCount=1)
>    [junit4]    >         2.3043842 = queryNorm
>    [junit4]    >       0.15342641 = fieldWeight in 0, product of:
>    [junit4]    >         1.0 = tf(freq=1.0), with freq of:
>    [junit4]    >           1.0 = termFreq=1.0
>    [junit4]    >         0.30685282 = idf(docFreq=1, docCount=1)
>    [junit4]    >         0.5 = fieldNorm(doc=0)
>    [junit4]    >   0.10848885 = weight(foo:baz in 0) [DefaultSimilarity], result of:
>    [junit4]    >     0.10848885 = score(doc=0,freq=1.0), product of:
>    [junit4]    >       0.70710677 = queryWeight, product of:
>    [junit4]    >         0.30685282 = idf(docFreq=1, docCount=1)
>    [junit4]    >         2.3043842 = queryNorm
>    [junit4]    >       0.15342641 = fieldWeight in 0, product of:
>    [junit4]    >         1.0 = tf(freq=1.0), with freq of:
>    [junit4]    >           1.0 = termFreq=1.0
>    [junit4]    >         0.30685282 = idf(docFreq=1, docCount=1)
>    [junit4]    >         0.5 = fieldNorm(doc=0)
>    [junit4]    >  expected:<0.21697770059108734> but was:<0.0>
>    [junit4]    > 	at __randomizedtesting.SeedInfo.seed([216F1F3C38561BEF:89FA6BFD1F67BF87]:0)
>    [junit4]    > 	at org.apache.lucene.search.similarities.TestSimilarity2.testNoFieldSkew(TestSimilarity2.java:201)
>    [junit4]    > 	at java.lang.Thread.run(Thread.java:745)
>    [junit4]   2> NOTE: test params are: codec=DummyCompressingStoredFields(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=DUMMY,
chunkSize=16060, maxDocsPerChunk=1, blockSize=6), termVectorsFormat=CompressingTermVectorsFormat(compressionMode=DUMMY,
chunkSize=16060, blockSize=6)), sim=DefaultSimilarity, locale=es_ES, timezone=America/Catamarca
>    [junit4]   2> NOTE: Linux 3.19.0-25-generic amd64/Oracle Corporation 1.8.0_45 (64-bit)/cpus=8,threads=1,free=140426184,total=189267968
>    [junit4]   2> NOTE: All tests run in this JVM: [TestSimilarity2]
>    [junit4] Completed [1/1] in 0.64s, 1 test, 1 failure <<< FAILURES!
> {noformat}
> This is scary, it means the first reopen did not make documents visible when it should
have? (or there is a sneaky test bug)



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