I would start with the sample 8.x schema and port your fields into that. I’m doing a bunch of migrations from 4.10.4 and 6.6.2 and doing that for both schema.xml and solrconfig.xml.
wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On Apr 23, 2021, at 3:09 AM, shacky <shack...@gmail.com> wrote: > > Hi, > I'm creating a new core on a newly installed Solr 8.8.2 and I'm trying to > porting my very old schema which I was using on my previous Solr 1.4 > installation. > > On my old schema I removed some deprecated field types and the deprecated > parameter "enablePositionIncrements" plus the "defaultSearchField" and the > "solrQueryParser/@defaultOperator". > > Now Solr is reporting that the _version_ field is missing: > > ========================================================= > Error CREATEing SolrCore 'newcore': Unable to create core [newcore] Caused > by: _version_ field must exist in schema and be searchable (indexed or > docValues) and retrievable(stored or docValues) and not multiValued > (_version_ not retrievable > ========================================================= > > This happens even if I've already added the _version_ field into the schema: > > ========================================================= > <field name="_version_" type="long" indexed="true" stored="false"/> > ========================================================= > > Could you help me please? > > Thank you very much! > Bye
