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https://issues.apache.org/jira/browse/SOLR-6024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14115472#comment-14115472
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Tomás Fernández Löbbe commented on SOLR-6024:
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bq. isn't that a bug then?
I think it is. I'd tackle that in a different Jira, it has a workaround (use
index=true) and it reproduces in trunk (unlike the issue described here).
After a quick look, I think it would be easy to count the missing values for
the complete field, but not trivial to count the missing values when using
"stats.facet" (for each different value)
> StatsComponent does not work for docValues enabled multiValued fields
> ---------------------------------------------------------------------
>
> Key: SOLR-6024
> URL: https://issues.apache.org/jira/browse/SOLR-6024
> Project: Solr
> Issue Type: Bug
> Components: SearchComponents - other
> Affects Versions: 4.8
> Environment: java version "1.7.0_45"
> Mac OS X Version 10.7.5
> Reporter: Ahmet Arslan
> Labels: StatsComponent, docValues, multiValued
> Fix For: 4.9
>
> Attachments: SOLR-6024-trunk.patch, SOLR-6024-trunk.patch,
> SOLR-6024-trunk.patch, SOLR-6024.patch, SOLR-6024.patch
>
>
> Harish Agarwal reported this in solr user mailing list :
> http://search-lucene.com/m/QTPaoTJXV1
> It is east to re-produce with default example solr setup. Following types are
> added example schema.xml. And exampledocs are indexed.
> {code:xml}
> <field name="cat" type="string" indexed="true" stored="true"
> docValues="true" multiValued="true"/>
> <field name="popularity" type="int" indexed="true" stored="false"
> docValues="true" multiValued="true"/>
> {code}
> When {{docValues="true"}} *and* {{multiValued="true"}} are used at the same
> time, StatsComponent throws :
> {noformat}
> ERROR org.apache.solr.core.SolrCore – org.apache.solr.common.SolrException:
> Type mismatch: popularity was indexed as SORTED_SET
> at
> org.apache.solr.request.UnInvertedField.<init>(UnInvertedField.java:193)
> at
> org.apache.solr.request.UnInvertedField.getUnInvertedField(UnInvertedField.java:699)
> at
> org.apache.solr.handler.component.SimpleStats.getStatsFields(StatsComponent.java:319)
> at
> org.apache.solr.handler.component.SimpleStats.getStatsCounts(StatsComponent.java:290)
> at
> org.apache.solr.handler.component.StatsComponent.process(StatsComponent.java:78)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:221)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1964)
> {noformat}
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