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From "bronco (Commented) (JIRA)" <>
Subject [jira] [Commented] (SOLR-2817) Search result with grouping activated delivers wrong numFound values.
Date Fri, 07 Oct 2011 04:08:29 GMT


bronco commented on SOLR-2817:

A little edit:
This is the result without group.main=true. As you can see the numFound value is correct with
2 and matches say 6. 
<lst name="grouped">
<lst name="site">
<int name="matches">6</int>
<arr name="groups">
<str name="groupValue"></str>
<result name="doclist" numFound="2" start="0" maxScore="0.64790744"><doc>
<float name="score">0.64790744</float>
<str name="body">


without the group.main setting
<result name="response" numFound="6" start="0" maxScore="0.64790744">
<doc><float name="score">0.64790744</float>
<str name="body">


I hope this makes it more clear.
> Search result with grouping activated delivers wrong numFound values.
> ---------------------------------------------------------------------
>                 Key: SOLR-2817
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 3.4
>            Reporter: bronco
>            Priority: Blocker
>              Labels: grouping, solr
> I use the 3.4 brach of solr for grouping my results, but obviously there is something
wrong in my eyes. If I activate the grouping functionality I get the expected results. In
my case for example 4 rows, but the the numFound value says it has 26 results. 
> This result is used by the Apache Solr Library in Drupal to calculate the correct pager
on my website. Now I get a search result page with 4 results and a confused pager with 3 more
steps to not existing search pages.
> I try a lot of things including using a facet and all the other suggested things by google
but I couldn't change the numFound value to the correct one in my case.
> If I not use the group.main=true setting including a facet I get in the facet conclusion
the correct values of found results but it also say matches 6 (numFound=6). The Apache Solr
Library make it nesessary to use the group.main=true setting because without this value the
library is not able to parse the resultset. So I get always an empty website without any results
even solr answers correctly.
> Is it somehow possible to change the numFound value to the correct one of the group count
result. I think nobody groups a field and shows maybe 10 entries which belong to the request
and tell the user we have 200 other things which are not interesting you. But I have to tell
> Any help is apreciated to get some understanding why solr delivers me this numFound result
and how to fix this issue.

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