Did you add the option -Dsolr.ltr.enabled=true ?
> Am 19.03.2019 um 04:15 schrieb Amjad Khan <amjad2...@gmail.com>: > > I followed the Solr LTR Documentation > > https://lucene.apache.org/solr/guide/7_4/learning-to-rank.html > <https://lucene.apache.org/solr/guide/7_4/learning-to-rank.html> > > 1. Added library into the solr-config > <!--LTR Start--> > <lib dir="${solr.install.dir:../../../..}/contrib/ltr/lib/" regex=".*\.jar" > /> > <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-ltr-\d.*\.jar" /> > 2. Successfully added feature > 3. Get schema to see feature is available > 4. When I try to push model I see the error below, however I added the lib > into solr-cofig > > Response > { > "responseHeader":{ > "status":400, > "QTime":1}, > "error":{ > "metadata":[ > "error-class","org.apache.solr.common.SolrException", > "root-error-class","java.lang.NullPointerException"], > "msg":"org.apache.solr.ltr.model.ModelException: Model type does not exist > org.apache.solr.ltr.model.LinearModel", > "code":400}} > > Thanks
