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https://issues.apache.org/jira/browse/LUCENE-3207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13050263#comment-13050263
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Robert Muir commented on LUCENE-3207:
-------------------------------------
as an explanation, this causes this query to call sumOfSquaredWeights +
queryNorm + normalize() twice.
the reason it doesnt cause any tests to fail in trunk is this:
in trunk sumOfSquaredWeights is not really a getter, its also a setter:
{noformat}
@Override
public float sumOfSquaredWeights() {
queryWeight = idf * getBoost(); // compute query weight
return queryWeight * queryWeight; // square it
}
{noformat}
in my patch on LUCENE-3174, my sumOfSquaredWeights returns queryWeight *
queryWeight, but doesn't reset any state.
so you end out normalizing twice and thats why the test failed on the branch.
> CustomScoreQuery calls weight() where it should call createWeight()
> -------------------------------------------------------------------
>
> Key: LUCENE-3207
> URL: https://issues.apache.org/jira/browse/LUCENE-3207
> Project: Lucene - Java
> Issue Type: Bug
> Reporter: Robert Muir
> Attachments: LUCENE-3207.patch
>
>
> Thanks to Uwe for helping me track down this bug after I pulled my hair out
> for hours on LUCENE-3174.
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