I am using solr 8.1.1 Created core/collection. Then after update schema & solrconfig i am getting these errors.
Before adding id field to schema.xml [image: sol1.PNG] After adding id field on schema.xml [image: sol2.PNG] Here are my schema.xml & solrconfig.xml, what is wrong i am doing ? schema.xml : <?xml version="1.0" encoding="UTF-8" ?> <schema name="dict" version="1.6"> <field name="title" type="string" stored="true" indexed="true" required="true" multiValued="false"/> <field name="_version_" type="long" indexed="true" stored="true"/> <field name="id" type="string"/> <copyField source="title" dest="id" /> <uniqueKey>title</uniqueKey> <fieldType name="string" class="solr.StrField"/> <fieldType name="long" class="solr.TrieLongField" precisionStep="0" positionIncrementGap="0"/> <fieldType name="int" class="solr.TrieIntField" precisionStep="0" positionIncrementGap="0"/> </schema> solrconfig: <?xml version="1.0" encoding="UTF-8"?> <config> <luceneMatchVersion>${tests.luceneMatchVersion:LUCENE_CURRENT}</luceneMatchVersion> <updateHandler class="solr.DirectUpdateHandler2"> <updateLog> <str name="dir">${solr.ulog.dir:}</str> </updateLog> <autoCommit> <maxTime>${solr.autoCommit.maxTime:15000}</maxTime> <openSearcher>false</openSearcher> </autoCommit> <autoSoftCommit> <maxTime>${solr.autoSoftCommit.maxTime:-1}</maxTime> </autoSoftCommit> </updateHandler> <requestHandler name="/select" class="solr.SearchHandler"></requestHandler> <requestHandler name="/admin/ping" class="solr.PingRequestHandler"> <lst name="invariants"> <str name="qt">/select</str><!-- handler to delegate to --> <str name="q">title:*</str> </lst> <str name="healthcheckFile">server-enabled.txt</str> </requestHandler> <requestHandler name="/update" class="solr.UpdateRequestHandler" /> <requestHandler name="/replication" class="solr.ReplicationHandler" startup="lazy" /> <requestHandler name="/get" class="solr.RealTimeGetHandler"> <lst name="defaults"> <str name="omitHeader">true</str> </lst> </config>