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From "Commit Tag Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4164) Result Grouping fails if no hits
Date Thu, 13 Dec 2012 21:10:13 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13531505#comment-13531505
] 

Commit Tag Bot commented on SOLR-4164:
--------------------------------------

[branch_4x commit] Chris M. Hostetter
http://svn.apache.org/viewvc?view=revision&revision=1421510

grouping tests of case where no docs match main query.  written while trying to repro SOLR-4164,
but something is still missing (merge r1421505)

                
> Result Grouping fails if no hits
> --------------------------------
>
>                 Key: SOLR-4164
>                 URL: https://issues.apache.org/jira/browse/SOLR-4164
>             Project: Solr
>          Issue Type: Bug
>          Components: SearchComponents - other, SolrCloud
>    Affects Versions: 4.0
>            Reporter: Lance Norskog
>
> In SolrCloud, found a result grouping bug in the 4.0 release.
> A distributed result grouping request under SolrCloud got this result:
> {noformat}
> Dec 10, 2012 10:32:07 PM org.apache.solr.common.SolrException log
> SEVERE: null:java.lang.IllegalArgumentException: numHits must be > 0; please use TotalHitCountCollector
if you just need the total hit count
>         at org.apache.lucene.search.TopFieldCollector.create(TopFieldCollector.java:1120)
>         at org.apache.lucene.search.TopFieldCollector.create(TopFieldCollector.java:1069)
>         at org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector.<init>(AbstractSecondPassGroupingCollector.java:75)
>         at org.apache.lucene.search.grouping.term.TermSecondPassGroupingCollector.<init>(TermSecondPassGroupingCollector.java:49)
>         at org.apache.solr.search.grouping.distributed.command.TopGroupsFieldCommand.create(TopGroupsFieldCommand.java:128)
>         at org.apache.solr.search.grouping.CommandHandler.execute(CommandHandler.java:132)
>         at org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:339)
>         at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:206)
> {noformat}

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