[
https://issues.apache.org/jira/browse/LUCENE-3479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robert Muir reassigned LUCENE-3479:
-----------------------------------
Assignee: Robert Muir (was: Michael McCandless)
> TestGrouping failure
> --------------------
>
> Key: LUCENE-3479
> URL: https://issues.apache.org/jira/browse/LUCENE-3479
> Project: Lucene - Java
> Issue Type: Bug
> Components: modules/grouping
> Reporter: Michael McCandless
> Assignee: Robert Muir
>
> {noformat}
> ant test -Dtestcase=TestGrouping -Dtestmethod=testRandom
> -Dtests.seed=295cdb78b4a442d4:-4c5d64ef4d698c27:-425d4c1eb87211ba
> {noformat}
> fails with this on current trunk:
> {noformat}
> [junit] ------------- Standard Error -----------------
> [junit] NOTE: reproduce with: ant test -Dtestcase=TestGrouping
> -Dtestmethod=testRandom
> -Dtests.seed=295cdb78b4a442d4:-4c5d64ef4d698c27:-425d4c1eb87211ba
> [junit] NOTE: test params are: codec=RandomCodecProvider: {id=MockRandom,
> content=MockSep, sort2=SimpleText, groupend=Pulsing(freqCutoff=3
> minBlockSize=65 maxBlockSize=132), sort1=Memory, group=Memory},
> sim=RandomSimilarityProvider(queryNorm=true,coord=false): {id=DFR I(F)L2,
> content=DFR BeL3(800.0), sort2=DFR GL3(800.0), groupend=DFR G2, sort1=DFR
> GB3(800.0), group=LM Jelinek-Mercer(0.700000)}, locale=zh_TW,
> timezone=America/Indiana/Indianapolis
> [junit] NOTE: all tests run in this JVM:
> [junit] [TestGrouping]
> [junit] NOTE: Linux 2.6.33.6-147.fc13.x86_64 amd64/Sun Microsystems Inc.
> 1.6.0_21 (64-bit)/cpus=24,threads=1,free=143246344,total=281804800
> [junit] ------------- ---------------- ---------------
> [junit] Testcase:
> testRandom(org.apache.lucene.search.grouping.TestGrouping): FAILED
> [junit] expected:<11> but was:<7>
> [junit] junit.framework.AssertionFailedError: expected:<11> but was:<7>
> [junit] at
> org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:148)
> [junit] at
> org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:50)
> [junit] at
> org.apache.lucene.search.grouping.TestGrouping.assertEquals(TestGrouping.java:980)
> [junit] at
> org.apache.lucene.search.grouping.TestGrouping.testRandom(TestGrouping.java:865)
> [junit] at
> org.apache.lucene.util.LuceneTestCase$2$1.evaluate(LuceneTestCase.java:611)
> [junit]
> [junit]
> {noformat}
> I dug for a while... the test is a bit sneaky because it compares sorted docs
> (by score) across 2 indexes. Index #1 has no deletions; Index #2 has same
> docs, but organized into doc blocks by group, and has some deletions. In
> theory (I think) even though the deletions will cause scores to differ across
> the two indices, it should not alter the sort order of the docs. Here is the
> explain output of the docs that sorted differently:
> {noformat}
> #1: top hit in the "has deletes doc-block" index (id=239):
> explain: 2.394486 = (MATCH) weight(content:real1 in 292)
> [DFRSimilarity], result of:
> 2.394486 = score(DFRSimilarity, doc=292, freq=1.0), computed from:
> 1.0 = termFreq=1
> 41.944084 = NormalizationH3, computed from:
> 1.0 = tf
> 5.3102274 = avgFieldLength
> 2.56 = len
> 102.829 = BasicModelBE, computed from:
> 41.944084 = tfn
> 880.0 = numberOfDocuments
> 239.0 = totalTermFreq
> 0.023286095 = AfterEffectL, computed from:
> 41.944084 = tfn
> #2: hit in the "no deletes normal index" (id=229)
> ID=229 explain=2.382285 = (MATCH) weight(content:real1 in 225)
> [DFRSimilarity], result of:
> 2.382285 = score(DFRSimilarity, doc=225, freq=1.0), computed from:
> 1.0 = termFreq=1
> 41.765594 = NormalizationH3, computed from:
> 1.0 = tf
> 5.3218827 = avgFieldLength
> 10.24 = len
> 101.879845 = BasicModelBE, computed from:
> 41.765594 = tfn
> 786.0 = numberOfDocuments
> 215.0 = totalTermFreq
> 0.023383282 = AfterEffectL, computed from:
> 41.765594 = tfn
> Then I went and called explain on the "no deletes normal index" for
> the top doc (id=239):
> explain: 2.3822558 = (MATCH) weight(content:real1 in 17)
> [DFRSimilarity], result of:
> 2.3822558 = score(DFRSimilarity, doc=17, freq=1.0), computed from:
> 1.0 = termFreq=1
> 42.165264 = NormalizationH3, computed from:
> 1.0 = tf
> 5.3218827 = avgFieldLength
> 2.56 = len
> 102.8307 = BasicModelBE, computed from:
> 42.165264 = tfn
> 786.0 = numberOfDocuments
> 215.0 = totalTermFreq
> 0.023166776 = AfterEffectL, computed from:
> 42.165264 = tfn
> {noformat}
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