BQ provides an explanation on a non-match
-----------------------------------------
Key: LUCENE-2635
URL: https://issues.apache.org/jira/browse/LUCENE-2635
Project: Lucene - Java
Issue Type: Bug
Reporter: Michael McCandless
Assignee: Michael McCandless
Plug in seed -6336594106867842617L into TestExplanations then run
TestSimpleExplanationsOfNonMatches and you'll hit this:
{noformat}
[junit] Testsuite:
org.apache.lucene.search.TestSimpleExplanationsOfNonMatches
[junit] Testcase:
testBQ2(org.apache.lucene.search.TestSimpleExplanationsOfNonMatches): FAILED
[junit] Explanation of [[+yy +w3]] for #0 doesn't indicate non-match:
0.08778467 = (MATCH) product of:
[junit] 0.17556934 = (MATCH) sum of:
[junit] 0.17556934 = (MATCH) weight(field:w3 in 0), product of:
[junit] 0.5165708 = queryWeight(field:w3), product of:
[junit] 0.7768564 = idf(docFreq=4, maxDocs=4)
[junit] 0.6649502 = queryNorm
[junit] 0.33987468 = (MATCH) fieldWeight(field:w3 in 0), product of:
[junit] 1.0 = tf(termFreq(field:w3)=1)
[junit] 0.7768564 = idf(docFreq=4, maxDocs=4)
[junit] 0.4375 = fieldNorm(field=field, doc=0)
[junit] 0.5 = coord(1/2)
[junit] expected:<0.0> but was:<0.08778467>
[junit] junit.framework.AssertionFailedError: Explanation of [[+yy +w3]]
for #0 doesn't indicate non-match: 0.08778467 = (MATCH) product of:
[junit] 0.17556934 = (MATCH) sum of:
[junit] 0.17556934 = (MATCH) weight(field:w3 in 0), product of:
[junit] 0.5165708 = queryWeight(field:w3), product of:
[junit] 0.7768564 = idf(docFreq=4, maxDocs=4)
[junit] 0.6649502 = queryNorm
[junit] 0.33987468 = (MATCH) fieldWeight(field:w3 in 0), product of:
[junit] 1.0 = tf(termFreq(field:w3)=1)
[junit] 0.7768564 = idf(docFreq=4, maxDocs=4)
[junit] 0.4375 = fieldNorm(field=field, doc=0)
[junit] 0.5 = coord(1/2)
[junit] expected:<0.0> but was:<0.08778467>
[junit] at
org.apache.lucene.search.CheckHits.checkNoMatchExplanations(CheckHits.java:60)
[junit] at
org.apache.lucene.search.TestSimpleExplanationsOfNonMatches.qtest(TestSimpleExplanationsOfNonMatches.java:36)
[junit] at
org.apache.lucene.search.TestExplanations.qtest(TestExplanations.java:101)
[junit] at
org.apache.lucene.search.TestSimpleExplanations.testBQ2(TestSimpleExplanations.java:235)
[junit] at
org.apache.lucene.util.LuceneTestCase.runBare(LuceneTestCase.java:397)
[junit] at
org.apache.lucene.util.LuceneTestCase.run(LuceneTestCase.java:389)
{noformat}
The bug is real -- BQ's explain method fails to properly enforce required
clauses when the sub-scorer is null. Thank you random testing!
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
