Solr version 8.1.1 My schema
<field name="suggest" type="text_en_splitting" stored="true" multiValued="false" indexed="true"/> <copyField source="name" dest="suggest" maxChars="256"/> solconfig.xml <searchComponent name="suggest" class="solr.SuggestComponent"> <lst name="suggester"> <str name="name">mySuggester</str> <str name="lookupImpl">FreeTextLookupFactory</str> <str name="dictionaryImpl">DocumentDictionaryFactory</str> <str name="field">suggest</str> <str name="ngrams">3</str> <str name="separator"> </str> <str name="suggestFreeTextAnalyzerFieldType">text_en_splitting</str> <str name="buildOnStartup">false</str> </lst> </searchComponent> <requestHandler name="/suggest" class="solr.SearchHandler" startup="lazy" > <lst name="defaults"> <str name="suggest">true</str> <str name="suggest.count">10</str> </lst> <arr name="components"> <str>suggest</str> </arr> </requestHandler> The suggest query http://localhost:8983/solr/catalog/suggest?suggest=true&suggest.dictionary=mySuggester&suggest.q=gin works on Red Hat Enterprise Linux 7.6 it returns { "responseHeader":{ "status":0, "QTime":0}, "suggest":{"mySuggester":{ "gin":{ "numFound":10, "suggestions":[{ "term":"gin", "weight":13613207305387128, "payload":""}, { "term":"ginjo", "weight":3986422076966947, "payload":""}, ... But when I on my Mac with OS High Sierra Generates the error "Lookup not supported at this time" "java.lang.IllegalStateException: Lookup not supported at this time\n\tat org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.lookup(FreeTextSuggester.java:428)\n\tat org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.lookup(FreeTextSuggester.java:399)\n\tat org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.lookup(FreeTextSuggester.java:388)\n\tat org.apache.solr.spelling.suggest.SolrSuggester.getSuggestions(SolrSuggester.java:243)\n\tat org.apache.solr.handler.component.SuggestComponent.process(SuggestComponent.java:264)\n\tat org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298)\n\tat org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)\n\tat org.apache.solr.core.SolrCore.execute(SolrCore.java:2566)\n\tat org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:756)\n\tat org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)\n\tat