> Can you provide some sample data to demonstrates the problem? (ideally > using the 4.x example configs - but if you can't reproduce with that > then providing your own configs would be helpful)
I repo'd using the example config (with sharding). I was missing one necessary condition: the schema needs a "*" dynamic field. It looks like serializeSearchGroup matches the sort expression as the "*" field, thus marshalling the double as TextField. Should I enter a ticket with the full repro? Thanks, Nate On Tue, Jun 24, 2014 Chris Hostetter <hossman_luc...@fucit.org> wrote: > > : I recently tried upgrading our setup from 4.5.1 to 4.7+, and I'm > : seeing an exception when I use (1) a function to sort and (2) result > : grouping. The same query works fine with either (1) or (2) alone. > : Example below. > > Did you modify your schema in any way when upgrading? > > Can you provide some sample data to demonstrates the problem? (ideally > using the 4.x example configs - but if you can't reproduce with that > then providing your own configs would be helpful) > > I was unabled to reproduce doing a quick sanity check using the example > with a "shard" param to force a distrib query... > > http://localhost:8983/solr/select?q=*:*&shards=localhost:8983/solr&sort=sum%281,1%29%20desc&group=true&group.field=inStock > > It's possible that the distributed grouping code has a bug in it related > to the marshalling of sort values and i'm just not tickling that bug > with my quick check ... but if i remember correctly work was done to fix > grouped sorting to correctly deal with this when > FieldType.marshalSortValue was introduced. > > > : Example (v4.8.1): > : { > : "responseHeader": { > : "status": 500, > : "QTime": 14, > : "params": { > : "sort": "sum(1,1) desc", > : "indent": "true", > : "q": "title:solr", > : "_": "1403586036335", > : "group.field": "type", > : "group": "true", > : "wt": "json" > : } > : }, > : "error": { > : "msg": "java.lang.Double cannot be cast to > org.apache.lucene.util.BytesRef", > : "trace": > "org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: > : java.lang.Double cannot be cast to org.apache.lucene.util.BytesRef > : "code": 500 > : } > : } > : > : From the log: > : > : org.apache.solr.common.SolrException; > : null:java.lang.ClassCastException: java.lang.Double cannot be cast to > : org.apache.lucene.util.BytesRef > : at > org.apache.solr.schema.FieldType.marshalStringSortValue(FieldType.java:981) > : at > org.apache.solr.schema.TextField.marshalSortValue(TextField.java:176) > : at > org.apache.solr.search.grouping.distributed.shardresultserializer.SearchGroupsResultTransformer.serializeSearchGroup(SearchGroupsResultTransformer.java:125) > : at > org.apache.solr.search.grouping.distributed.shardresultserializer.SearchGroupsResultTransformer.transform(SearchGroupsResultTransformer.java:65) > : at > org.apache.solr.search.grouping.distributed.shardresultserializer.SearchGroupsResultTransformer.transform(SearchGroupsResultTransformer.java:43) > : at > org.apache.solr.search.grouping.CommandHandler.processResult(CommandHandler.java:193) > > > -Hoss > http://www.lucidworks.com/
