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https://issues.apache.org/jira/browse/LUCENE-3821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doron Cohen updated LUCENE-3821:
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Attachment: LUCENE-3821.patch
bq. Hmm patch has this: ... import backport.api...
Oops, here's a fixed patch, also added some comments, and removed the @Ignore
from the test
bq. I'm going to be ecstatic if that crazy test finds bugs both in exact and
sloppy phrase scorers :)
It is a great test! Interestingly one thing it exposed is the dependency of the
SloppyPhraseScorer in the order of PPs in PhraseScorer when phraseFreq() is
invoked. The way things work in the super class, that order depends on the
content of previously processed documents. This fix removes that wrong
dependency, of course. The point is that deliberately devising a test that
exposes such a bug seems almost impossible: first you need to think about such
a case, and if you did, writing a test that would create this specific scenario
is buggy by itself. Praise to random testing, and this random test in
particular.
> SloppyPhraseScorer sometimes misses documents that ExactPhraseScorer finds.
> ---------------------------------------------------------------------------
>
> Key: LUCENE-3821
> URL: https://issues.apache.org/jira/browse/LUCENE-3821
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 3.5, 4.0
> Reporter: Naomi Dushay
> Assignee: Doron Cohen
> Attachments: LUCENE-3821.patch, LUCENE-3821.patch,
> LUCENE-3821_test.patch, schema.xml, solrconfig-test.xml
>
>
> The general bug is a case where a phrase with no slop is found,
> but if you add slop its not.
> I committed a test today (TestSloppyPhraseQuery2) that actually triggers this
> case,
> jenkins just hasn't had enough time to chew on it.
> ant test -Dtestcase=TestSloppyPhraseQuery2 -Dtests.iter=100 is enough to make
> it fail on trunk or 3.x
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