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https://issues.apache.org/jira/browse/LUCENE-2270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12835203#action_12835203
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Yonik Seeley commented on LUCENE-2270:
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The problem is twofold: a query with only zero boosts on it's clauses results
in a query norm of infiinity, and a normalization factor for the query of NaN
(0*Inf). This has always been the case. But our new collectors cannot handle
these score values and mess up - for example returning docids equal to the
sentinal value Integer.MAX_VAL.
> queries with zero boosts don't work
> -----------------------------------
>
> Key: LUCENE-2270
> URL: https://issues.apache.org/jira/browse/LUCENE-2270
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 2.9
> Reporter: Yonik Seeley
>
> Queries consisting of only zero boosts result in incorrect results.
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