Here is solrconfig.xml, I removed comments.
<?xml version="1.0" encoding="UTF-8"?>
<config>
<luceneMatchVersion>8.0.0</luceneMatchVersion>
<lib dir="${solr.install.dir:../../../..}/contrib/extraction/lib" regex=".*\.jar"/>
<lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-cell-\d.*\.jar"/>
<lib dir="${solr.install.dir:../../../..}/contrib/clustering/lib/" regex=".*\.jar"/>
<lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-clustering-\d.*\.jar"/>
<lib dir="${solr.install.dir:../../../..}/contrib/langid/lib/" regex=".*\.jar"/>
<lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-langid-\d.*\.jar"/>
<lib dir="${solr.install.dir:../../../..}/contrib/velocity/lib" regex=".*\.jar"/>
<lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-velocity-\d.*\.jar"/>
<lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-ltr-\d.*\.jar"/>
<dataDir>${solr.data.dir:}</dataDir>
<directoryFactory name="DirectoryFactory" class="${solr.directoryFactory:solr.NRTCachingDirectoryFactory}"/>
<codecFactory class="solr.SchemaCodecFactory"/>
<indexConfig>
<lockType>${solr.lock.type:native}</lockType>
</indexConfig>
<jmx/>
<updateHandler class="solr.DirectUpdateHandler2">
<updateLog>
<str name="dir">${solr.ulog.dir:}</str>
<int name="numVersionBuckets">${solr.ulog.numVersionBuckets:65536}</int>
</updateLog>
<autoCommit>
<maxTime>${solr.autoCommit.maxTime:15000}</maxTime>
<openSearcher>false</openSearcher>
</autoCommit>
<autoSoftCommit>
<maxTime>${solr.autoSoftCommit.maxTime:-1}</maxTime>
</autoSoftCommit>
</updateHandler>
<query>
<maxBooleanClauses>${solr.max.booleanClauses:1024}</maxBooleanClauses>
<filterCache class="solr.FastLRUCache" size="512" initialSize="512" autowarmCount="0"/>
<queryResultCache class="solr.LRUCache" size="512" initialSize="512" autowarmCount="0"/>
<documentCache class="solr.LRUCache" size="512" initialSize="512" autowarmCount="0"/>
<cache name="perSegFilter" class="solr.search.LRUCache" size="10" initialSize="0" autowarmCount="10" regenerator="solr.NoOpRegenerator"/>
<enableLazyFieldLoading>true</enableLazyFieldLoading>
<queryResultWindowSize>20</queryResultWindowSize>
<queryResultMaxDocsCached>200</queryResultMaxDocsCached>
<listener event="newSearcher" class="solr.QuerySenderListener">
<arr name="queries"/>
</listener>
<listener event="firstSearcher" class="solr.QuerySenderListener">
<arr name="queries"/>
</listener>
<useColdSearcher>false</useColdSearcher>
</query>
<requestDispatcher>
<httpCaching never304="true"/>
</requestDispatcher>
<requestHandler name="/select" class="solr.SearchHandler">
<lst name="defaults">
<str name="echoParams">explicit</str>
<int name="rows">10</int>
</lst>
</requestHandler>
<requestHandler name="/query" class="solr.SearchHandler">
<lst name="defaults">
<str name="echoParams">explicit</str>
<str name="wt">json</str>
<str name="indent">true</str>
</lst>
</requestHandler>
<requestHandler name="/browse" class="solr.SearchHandler" useParams="query,facets,velocity,browse">
<lst name="defaults">
<str name="echoParams">explicit</str>
</lst>
</requestHandler>
<initParams path="/update/**,/query,/select,/tvrh,/elevate,/spell,/browse">
<lst name="defaults">
<str name="df">_text_</str>
</lst>
</initParams>
<requestHandler name="/update/extract" startup="lazy" class="solr.extraction.ExtractingRequestHandler">
<lst name="defaults">
<str name="lowernames">true</str>
<str name="fmap.content">_text_</str>
</lst>
</requestHandler>
<searchComponent name="spellcheck" class="solr.SpellCheckComponent">
<str name="queryAnalyzerFieldType">text_general</str>
<lst name="spellchecker">
<str name="name">default</str>
<str name="field">_text_</str>
<str name="classname">solr.DirectSolrSpellChecker</str>
<str name="distanceMeasure">internal</str>
<float name="accuracy">0.5</float>
<int name="maxEdits">2</int>
<int name="minPrefix">1</int>
<int name="maxInspections">5</int>
<int name="minQueryLength">4</int>
<float name="maxQueryFrequency">0.01</float>
</lst>
</searchComponent>
<requestHandler name="/spell" class="solr.SearchHandler" startup="lazy">
<lst name="defaults">
<str name="spellcheck.dictionary">default</str>
<str name="spellcheck">on</str>
<str name="spellcheck.extendedResults">true</str>
<str name="spellcheck.count">10</str>
<str name="spellcheck.alternativeTermCount">5</str>
<str name="spellcheck.maxResultsForSuggest">5</str>
<str name="spellcheck.collate">true</str>
<str name="spellcheck.collateExtendedResults">true</str>
<str name="spellcheck.maxCollationTries">10</str>
<str name="spellcheck.maxCollations">5</str>
</lst>
<arr name="last-components">
<str>spellcheck</str>
</arr>
</requestHandler>
<searchComponent name="tvComponent" class="solr.TermVectorComponent"/>
<requestHandler name="/tvrh" class="solr.SearchHandler" startup="lazy">
<lst name="defaults">
<bool name="tv">true</bool>
</lst>
<arr name="last-components">
<str>tvComponent</str>
</arr>
</requestHandler>
<searchComponent name="terms" class="solr.TermsComponent"/>
<requestHandler name="/terms" class="solr.SearchHandler" startup="lazy">
<lst name="defaults">
<bool name="terms">true</bool>
<bool name="distrib">false</bool>
</lst>
<arr name="components">
<str>terms</str>
</arr>
</requestHandler>
<searchComponent name="elevator" class="solr.QueryElevationComponent">
<str name="queryFieldType">string</str>
</searchComponent>
<requestHandler name="/elevate" class="solr.SearchHandler" startup="lazy">
<lst name="defaults">
<str name="echoParams">explicit</str>
</lst>
<arr name="last-components">
<str>elevator</str>
</arr>
</requestHandler>
<searchComponent class="solr.HighlightComponent" name="highlight">
<highlighting>
<fragmenter name="gap" default="true" class="solr.highlight.GapFragmenter">
<lst name="defaults">
<int name="hl.fragsize">100</int>
</lst>
</fragmenter>
<fragmenter name="regex" class="solr.highlight.RegexFragmenter">
<lst name="defaults">
<int name="hl.fragsize">70</int>
<float name="hl.regex.slop">0.5</float>
<str name="hl.regex.pattern">[-\w ,/\n\"']{20,200}</str>
</lst>
</fragmenter>
<formatter name="html" default="true" class="solr.highlight.HtmlFormatter">
<lst name="defaults">
<str name="hl.simple.pre"><![CDATA[<em>]]></str>
<str name="hl.simple.post"><![CDATA[</em>]]></str>
</lst>
</formatter>
<encoder name="html" class="solr.highlight.HtmlEncoder"/>
<fragListBuilder name="simple" class="solr.highlight.SimpleFragListBuilder"/>
<fragListBuilder name="single" class="solr.highlight.SingleFragListBuilder"/>
<fragListBuilder name="weighted" default="true" class="solr.highlight.WeightedFragListBuilder"/>
<fragmentsBuilder name="default" default="true" class="solr.highlight.ScoreOrderFragmentsBuilder"/>
<fragmentsBuilder name="colored" class="solr.highlight.ScoreOrderFragmentsBuilder">
<lst name="defaults">
<str name="hl.tag.pre"><![CDATA[
<b style="background:yellow">,<b style="background:lawgreen">,
<b style="background:aquamarine">,<b style="background:magenta">,
<b style="background:palegreen">,<b style="background:coral">,
<b style="background:wheat">,<b style="background:khaki">,
<b style="background:lime">,<b style="background:deepskyblue">]]></str>
<str name="hl.tag.post"><![CDATA[</b>]]></str>
</lst>
</fragmentsBuilder>
<boundaryScanner name="default" default="true" class="solr.highlight.SimpleBoundaryScanner">
<lst name="defaults">
<str name="hl.bs.maxScan">10</str>
<str name="hl.bs.chars">.,!?
</str>
</lst>
</boundaryScanner>
<boundaryScanner name="breakIterator" class="solr.highlight.BreakIteratorBoundaryScanner">
<lst name="defaults">
<str name="hl.bs.type">WORD</str>
<str name="hl.bs.language">en</str>
<str name="hl.bs.country">US</str>
</lst>
</boundaryScanner>
</highlighting>
</searchComponent>
<updateProcessor class="solr.UUIDUpdateProcessorFactory" name="uuid"/>
<updateProcessor class="solr.RemoveBlankFieldUpdateProcessorFactory" name="remove-blank"/>
<updateProcessor class="solr.FieldNameMutatingUpdateProcessorFactory" name="field-name-mutating">
<str name="pattern">[^\w-\.]</str>
<str name="replacement">_</str>
</updateProcessor>
<updateProcessor class="solr.ParseBooleanFieldUpdateProcessorFactory" name="parse-boolean"/>
<updateProcessor class="solr.ParseLongFieldUpdateProcessorFactory" name="parse-long"/>
<updateProcessor class="solr.ParseDoubleFieldUpdateProcessorFactory" name="parse-double"/>
<updateProcessor class="solr.ParseDateFieldUpdateProcessorFactory" name="parse-date">
<arr name="format">
<str>yyyy-MM-dd['T'[HH:mm[:ss[.SSS]][z</str>
<str>yyyy-MM-dd['T'[HH:mm[:ss[,SSS]][z</str>
<str>yyyy-MM-dd HH:mm[:ss[.SSS]][z</str>
<str>yyyy-MM-dd HH:mm[:ss[,SSS]][z</str>
<str>[EEE, ]dd MMM yyyy HH:mm[:ss] z</str>
<str>EEEE, dd-MMM-yy HH:mm:ss z</str>
<str>EEE MMM ppd HH:mm:ss [z ]yyyy</str>
</arr>
</updateProcessor>
<updateProcessor class="solr.AddSchemaFieldsUpdateProcessorFactory" name="add-schema-fields">
<lst name="typeMapping">
<str name="valueClass">java.lang.String</str>
<str name="fieldType">text_general</str>
<lst name="copyField">
<str name="dest">*_str</str>
<int name="maxChars">256</int>
</lst>
<bool name="default">true</bool>
</lst>
<lst name="typeMapping">
<str name="valueClass">java.lang.Boolean</str>
<str name="fieldType">booleans</str>
</lst>
<lst name="typeMapping">
<str name="valueClass">java.util.Date</str>
<str name="fieldType">pdates</str>
</lst>
<lst name="typeMapping">
<str name="valueClass">java.lang.Long</str>
<str name="valueClass">java.lang.Integer</str>
<str name="fieldType">plongs</str>
</lst>
<lst name="typeMapping">
<str name="valueClass">java.lang.Number</str>
<str name="fieldType">pdoubles</str>
</lst>
</updateProcessor>
<updateRequestProcessorChain name="add-unknown-fields-to-the-schema" default="${update.autoCreateFields:true}" processor="uuid,remove-blank,field-name-mutating,parse-boolean,parse-long,parse-double,parse-date,add-schema-fields">
<processor class="solr.LogUpdateProcessorFactory"/>
<processor class="solr.DistributedUpdateProcessorFactory"/>
<processor class="solr.RunUpdateProcessorFactory"/>
</updateRequestProcessorChain>
<queryResponseWriter name="json" class="solr.JSONResponseWriter">
<str name="content-type">text/plain; charset=UTF-8</str>
</queryResponseWriter>
<queryResponseWriter name="velocity" class="solr.VelocityResponseWriter" startup="lazy">
<str name="template.base.dir">${velocity.template.base.dir:}</str>
<str name="solr.resource.loader.enabled">${velocity.solr.resource.loader.enabled:true}</str>
<str name="params.resource.loader.enabled">${velocity.params.resource.loader.enabled:false}</str>
</queryResponseWriter>
<queryResponseWriter name="xslt" class="solr.XSLTResponseWriter">
<int name="xsltCacheLifetimeSeconds">5</int>
</queryResponseWriter>
</config>