Distributed grouping throws IllegalStateException when querying with
group.sort=score desc
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Key: SOLR-2955
URL: https://issues.apache.org/jira/browse/SOLR-2955
Project: Solr
Issue Type: Bug
Components: search
Affects Versions: 3.6, 4.0
Environment: Mac OS X 10.7.2
Java version "1.6.0_29"
Java(TM) SE Runtime Environment (build 1.6.0_29-b11-402-11M3527)
Java HotSpot(TM) 64-Bit Server VM (build 20.4-b02-402, mixed mode)
Reporter: Steffen Elberg Godskesen
To reproduce:
* Start example configuration from 3.6 or 4.0 distribution, and add example
.xml documents to index
* Query:
http://localhost:8983/solr/select?q=*:*&sort=id%20asc&group=true&group.sort=score%20desc&group.field=manu_id_s&shards=localhost:8983/solr
This will log
{noformat}
Dec 8, 2011 10:01:23 AM org.apache.solr.common.SolrException log
SEVERE: java.lang.IllegalStateException: All required fields must be set
at
org.apache.solr.search.grouping.distributed.command.TopGroupsFieldCommand$Builder.build(TopGroupsFieldCommand.java:94)
at
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:291)
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:194)
.
.
{noformat}
For other (legal) values of group.sort or without the shards parameter, the
query succeeds.
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