Cody, > Does it work in the non distributed case?
Yes. > > Is the field you're grouping on stored? What is the type on the uniqueKey > field? Is it stored and indexed? The field I'm grouping on is a string, stored and indexed. The unique key field is a string, stored and indexed. > I've had a problem with distributed not working when the uniqueKey field > was indexed but not stored. Was it the same exception I'm seeing? -- Bryan > > -----Original Message----- > From: Bryan Loofbourrow [mailto:bloofbour...@knowledgemosaic.com] > Sent: Wednesday, June 20, 2012 1:54 PM > To: solr-user@lucene.apache.org > Subject: RE: Exception using distributed field-collapsing > > > Hi Bryan, > > > > What is the fieldtype of the groupField? You can only group by field > > that is of type string as is described in the wiki: > > http://wiki.apache.org/solr/FieldCollapsing#Request_Parameters > > > > When you group by another field type a http 400 should be returned > > instead if this error. At least that what I'd expect. > > > > Martijn > > Martijn, > > The group-by field is a string. I have been unable to figure how a date > comes into the picture at all, and have basically been wondering if there > is some problem in the grouping code that misaligns the field values from > different results in the group, so that it is not comparing like with > like. Not a strong theory, just the only thing I can think of. > > -- Bryan
