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From "Cao Manh Dat (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-4164) Result Grouping fails if no hits
Date Tue, 25 Oct 2016 14:38:59 GMT

     [ https://issues.apache.org/jira/browse/SOLR-4164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Cao Manh Dat updated SOLR-4164:
-------------------------------
    Attachment: SOLR-4164.patch

Initial patch for this issue.
[~yonik@apache.org] Please kindly review this patch.

> 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
>            Assignee: Cao Manh Dat
>         Attachments: SOLR-4164.patch
>
>
> 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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