Hoss Man created SOLR-5046:
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Summary: IllegalArgumentException using distributed group.query
when one shard does not match any docs
Key: SOLR-5046
URL: https://issues.apache.org/jira/browse/SOLR-5046
Project: Solr
Issue Type: Bug
Affects Versions: 4.3
Reporter: Hoss Man
[Evgeny Salnikov noted this problem on the mailing
list|http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201307.mbox/%3CCADz7Cx6PbMxExhb8gsCu9%3DP6nphJd2fYayov_%3D%3D%2Bo1sEXswWLw%40mail.gmail.com%3E],
although the initial report was somewhat convoluted by suspicious description
of adding shards after the fact.
Steps to reproduce using 4.3.1 example...
* startup a 2 node SolrCloud cluster following the "Example A" description on
the SolrCloud wiki...
** cp example example2
** cd example && java -Dbootstrap_confdir=./solr/collection1/conf
-Dcollection.configName=myconf -DzkRun -DnumShards=2 -jar start.jar
** cd example2 && java -Djetty.port=7574 -DzkHost=localhost:9983 -jar start.jar
* index exactly one doc (to ensure that subsequent distributed queries get
results from only one node)
** java -jar post.jar utf8-example.xml
* execute a request using group.query
** http://localhost:7574/solr/select?q=*:*&group=true&group.query=cat:software
stack trace...
{noformat}
166500 [qtp2092063645-19] ERROR org.apache.solr.servlet.SolrDispatchFilter –
null:java.lang.IllegalArgumentException: shard 1 did not set sort field values
(FieldDoc.fields is null); you must pass fillFields=true to
IndexSearcher.search on each shard
at
org.apache.lucene.search.TopDocs$MergeSortQueue.<init>(TopDocs.java:143)
at org.apache.lucene.search.TopDocs.merge(TopDocs.java:214)
at
org.apache.solr.search.grouping.distributed.responseprocessor.TopGroupsShardResponseProcessor.process(TopGroupsShardResponseProcessor.java:114)
at
org.apache.solr.handler.component.QueryComponent.handleGroupedResponses(QueryComponent.java:619)
at
org.apache.solr.handler.component.QueryComponent.handleResponses(QueryComponent.java:602)
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:311)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1816)
{noformat}
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