Adjust requestHandlers for solr 8 backwards compatibility since hyrax…

… heavily depends on some defaults that changed

solr/config/solrconfig.xml

@@ -87,6 +87,7 @@
     <lst name="defaults">
       <str name="defType">edismax</str>
       <str name="echoParams">explicit</str>
+      <str name="q">*:*</str>
       <str name="q.alt">*:*</str>
       <str name="q.op">OR</str>
       <str name="mm">2&lt;-1 5&lt;-2 6&lt;90%</str>
@@ -140,13 +141,23 @@
       <str name="spellcheck.extendedResults">true</str>
       <str name="spellcheck.collate">false</str>
       <str name="spellcheck.count">5</str>
-
     </lst>
     <arr name="last-components">
       <str>spellcheck</str>
     </arr>
   </requestHandler>
 
+  <requestHandler name="/select" class="solr.SearchHandler" default="false">
+    <lst name="defaults">
+      <str name="echoParams">explicit</str>
+      <!-- For backwards compatibility with hyrax queries -->
+      <str name="q">*:*</str>
+      <str name="facet">true</str>
+      <str name="facet.mincount">1</str>
+      <str name="fl">*,score</str>
+    </lst>
+  </requestHandler>
+
   <requestHandler name="permissions" class="solr.SearchHandler" >
     <lst name="defaults">
       <str name="facet">off</str>
@@ -621,29 +632,4 @@
        </httpCaching>
       -->
   </requestDispatcher>
-
-  <!-- Primary search handler, expected by most clients, examples and UI frameworks -->
-  <requestHandler name="/select" class="solr.SearchHandler">
-    <lst name="defaults">
-      <str name="echoParams">explicit</str>
-      <int name="rows">10</int>
-      <str name="q">*:*</str>
-    </lst>
-  </requestHandler>
-
-  <!-- A request handler that returns indented JSON by default -->
-  <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>
-
-  <!-- Shared parameters for multiple Request Handlers -->
-  <initParams path="/update/**,/query,/select">
-    <lst name="defaults">
-      <str name="df">_text_</str>
-    </lst>
-  </initParams>
 </config>