Mr. Mikhail Khludnev, thank you for your response. I will use StrFiled for 'group.field' parameter hereafter. Sincerely yours. Eiji Nagayama.
-----Original Message----- From: Mikhail Khludnev <m...@apache.org> Sent: Wednesday, July 20, 2022 1:00 PM To: users@solr.apache.org Subject: Re: Error occurred when getting group facet Hello, Given that the uninverting type for TextField is SortedSet, the statement in the guide seems inaccurate to me. On Tue, Jul 19, 2022 at 4:52 AM <eiji.nagay...@rondhuit.com> wrote: > Hi all, > > I found an error and stack trace occurred when I set a 'TextField' > type field to a 'group.field' parameter and got group facets. > According to the manual,we can set 'StrField' or 'TextField' type > field to 'group.field' parameter. > (See > https://solr.apache.org/guide/solr/latest/query-guide/result-grouping. > html > ) > So I just tried to set a 'TextField' type field to the 'group.field' > parameter. But the error occured. > > The reproduction procedure using sample_techproducts is as follows. > > 1. Modify solrconfig.xml to show facets. > > - Added 3 lines below the rows parameter > <requestHandler name="/select" class="solr.SearchHandler"> > <lst name="defaults"> > <str name="echoParams">explicit</str> > <int name="rows">10</int> > <str name="facet">on</str> <!-- added -> > <str name="facet.mincount">1</str> <!-- added -> > <str name="facet.limit">-1</str> <!-- added -> > </lst> > > - Removed comments("<!--", "-->") and enabled the following > <lst name="invariants"> > <str name="facet.field">cat</str> > <str name="facet.field">manu_exact</str> > <str name="facet.query">price:[* TO 500]</str> > <str name="facet.query">price:[500 TO *]</str> > </lst> > > 2. Modify managed-schema to define the manu_keyword field. The type of > manu_keyword field is Text.Field using only KeywordTokenizer. > > - Add the following 7 lines just before the "</schema>" > <fieldType name="text_keyword" class="solr.TextField" > positionIncrementGap="100"> > <analyzer> > <tokenizer class="solr.KeywordTokenizerFactory"/> > </analyzer> > </fieldType> > <field name="manu_keyword" type="text_keyword" stored="true" > indexed="true" docValues="false" multiValued="false" /> > <copyField source="manu" dest="manu_keyword"/> > > 3. Indexing(re-index) > > 4. Execute this query > ' > http://localhost:8983/solr/techproducts/select?fl=id,name&q=solr+memor > y&gro up=true&group.field=manu_keyword&group.facet=true > <http://localhost:8983/solr/techproducts/select?fl=id,name&q=solr+memo > ry&group=true&group.field=manu_keyword&group.facet=true> > ' > 5. The following error appears. > > "msg":"unexpected docvalues type SORTED_SET for field 'manu_keyword' > (expected=SORTED). Re-index with correct docvalues type.", > "trace":"java.lang.IllegalStateException: unexpected docvalues > type SORTED_SET for field 'manu_keyword' (expected=SORTED). Re-index > with correct docvalues type. > at > org.apache.lucene.index.DocValues.checkField(DocValues.java:218) > ... > > No error occurred when using > ' > http://localhost:8983/solr/techproducts/select?fl=id,name&q=solr+memor > y&gro up=true&group.field=manu_exact&group.facet=true > <http://localhost:8983/solr/techproducts/select?fl=id,name&q=solr+memo > ry&group=true&group.field=manu_exact&group.facet=true> > ' > > In addition, even if I re-index, it does not solve. > I guess only 'StrField' type field are allowed in the 'group.field' > parameter. > I have confirmed that this error occurs on Solr 8.11 and Solr 9.0. > > I would be grateful if anyone could give me useful information. > > -- Sincerely yours Mikhail Khludnev
