diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c1998a0..6b14742 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,16 +16,16 @@ jobs:
         with:
           php-version: '8.0'
           extensions: intl, xsl
-          tools: composer:2.0.13
+          tools: composer:2
 
       - name: Setup Java
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: adopt
           java-version: ${{ matrix.java-version }}
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Set up VuFind environment
         run: |
@@ -33,7 +33,7 @@ jobs:
           echo VUFIND_LOCAL_DIR=$VUFIND_HOME/local >> $GITHUB_ENV
 
       - name: Cache VuFind data
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/vufind
           key: "vufind-${{ github.sha }}"
diff --git a/browse-handler/java/org/vufind/solr/handler/BrowseRequestHandler.java b/browse-handler/java/org/vufind/solr/handler/BrowseRequestHandler.java
index 0b42384..75ad85f 100644
--- a/browse-handler/java/org/vufind/solr/handler/BrowseRequestHandler.java
+++ b/browse-handler/java/org/vufind/solr/handler/BrowseRequestHandler.java
@@ -9,6 +9,7 @@
 
 import java.net.URL;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
@@ -21,6 +22,7 @@
 import org.apache.solr.handler.RequestHandlerBase;
 import org.apache.solr.request.SolrRequestHandler;
 import org.apache.solr.search.SolrIndexSearcher;
+import org.apache.solr.security.AuthorizationContext;
 import org.apache.solr.util.RefCounted;
 import org.vufind.util.NormalizerFactory;
 
@@ -153,6 +155,15 @@ public void handleRequestBody(org.apache.solr.request.SolrQueryRequest req,
         CoreDescriptor cd = core.getCoreDescriptor();
         CoreContainer cc = core.getCoreContainer();
         SolrCore authCore = cc.getCore(authCoreName);
+        if (authCore == null) {
+            Collection<String> names = cc.getAllCoreNames();
+            String name = names.stream().filter(n -> n.startsWith(authCoreName)).findFirst().orElse(null);
+            if (name == null)
+                throw new Exception("Could not find a core with a name starting with " + authCoreName);
+            authCore = cc.getCore(name);
+            if (authCore == null)
+                throw new Exception("Could not get the core with the name " + name);
+        }
         //Must decrement RefCounted when finished!
         RefCounted<SolrIndexSearcher> authSearcherRef = authCore.getSearcher();
 
@@ -230,4 +241,8 @@ public URL[] getDocs()
     {
         return null;
     }
+
+    public Name getPermissionName(AuthorizationContext request) {
+        return Name.ALL;
+    }
 }
diff --git a/browse-handler/java/org/vufind/solr/handler/client/solrj/BrowseRequest.java b/browse-handler/java/org/vufind/solr/handler/client/solrj/BrowseRequest.java
index 13adfc0..ce40d43 100644
--- a/browse-handler/java/org/vufind/solr/handler/client/solrj/BrowseRequest.java
+++ b/browse-handler/java/org/vufind/solr/handler/client/solrj/BrowseRequest.java
@@ -42,6 +42,11 @@ public BrowseRequest(METHOD m, String path)
         // TODO Auto-generated constructor stub
     }
 
+    public String getRequestType()
+    {
+        return "VuFindBrowseRequest";
+    }
+
     @Override
     public SolrParams getParams()
     {
diff --git a/build.xml b/build.xml
index 568332f..8facbef 100644
--- a/build.xml
+++ b/build.xml
@@ -10,6 +10,9 @@
   <property name="vufind.dir" value="/usr/local/vufind"/>
   <property name="absolute.vufind.dir" location="${vufind.dir}"/>
   <property name="solr.solr.home" value="${absolute.vufind.dir}/solr/vufind"/>
+  <!-- The solr.install.dir property was added to work around an issue in the Solr 9.1 test suite;
+       it can probably be safely removed once VuFind upgrades to Solr 9.2 or higher. -->
+  <property name="solr.install.dir" value="${absolute.vufind.dir}/solr/vendor"/>
   <property name="java.compat.version" value="1.8"/>
   <property name="ant.build.javac.source" value="1.8"/>
   <property name="ant.build.javac.target" value="1.8"/>
@@ -22,15 +25,26 @@
     <fileset dir="libs">
       <include name="**/*.jar"/>
     </fileset>
+    <fileset dir="tests/lib">
+      <include name="**/*.jar"/>
+    </fileset>
+    <!-- For Solr 8 and below: -->
     <fileset erroronmissingdir="false" dir="${absolute.vufind.dir}/solr/vendor/contrib/analysis-extras">
       <include name="**/*.jar"/>
     </fileset>
+    <!-- For Solr 9 and above: -->
+    <fileset erroronmissingdir="false" dir="${absolute.vufind.dir}/solr/vendor/modules/analysis-extras">
+      <include name="**/*.jar"/>
+    </fileset>
     <fileset erroronmissingdir="false" dir="${absolute.vufind.dir}/solr/vendor/dist">
       <include name="**/*.jar"/>
     </fileset>
     <fileset erroronmissingdir="false" dir="${absolute.vufind.dir}/solr/vendor/server/solr-webapp/webapp/WEB-INF/lib">
       <include name="**/*.jar"/>
     </fileset>
+    <fileset erroronmissingdir="false" dir="${absolute.vufind.dir}/import/lib">
+      <include name="**/*.jar"/>
+    </fileset>
     <!-- Needed for building tests that invoke Solr -->
     <fileset erroronmissingdir="false" dir="${absolute.vufind.dir}/solr/vendor/server/lib">
       <include name="**/*.jar"/>
@@ -181,8 +195,8 @@
       </exec>
     </target>
 
-  <!-- ================================= 
-          target: test-main              
+  <!-- =================================
+          target: test-main
          ================================= -->
     <target name="test-main"
       description="Run tests, assumes build is current and test cores are set up">
@@ -194,9 +208,10 @@
         <compilerarg line="-encoding UTF-8" />
       </javac>
 
-      <junit showoutput="yes" fork="true">
+      <junit showoutput="yes" fork="true" haltonfailure="on">
         <sysproperty key="absolute.vufind.dir" value="${absolute.vufind.dir}" />
         <sysproperty key="solr.solr.home" value="${solr.solr.home}" />
+        <sysproperty key="solr.install.dir" value="${solr.install.dir}" />
         <jvmarg value="-Dfile.encoding=UTF-8" />
         <classpath>
           <pathelement location="tests/lib/junit-4.11.jar"/>
@@ -227,16 +242,16 @@
 
     </target>
 
-  <!-- ================================= 
-          target: test              
+  <!-- =================================
+          target: test
          ================================= -->
     <target name="test" depends="build, setup-test-cores"
       description="Run tests after build and setting up the test cores">
         <antcall target="test-main"/>
     </target>
 
-  <!-- ================================= 
-          target: test-skip-setup              
+  <!-- =================================
+          target: test-skip-setup
          ================================= -->
     <target name="test-skip-setup" depends="build"
       description="Run tests after build, assumes test cores are already set up">
diff --git a/common/java/org/vufind/util/DeweyCallNormalizer.java b/common/java/org/vufind/util/DeweyCallNormalizer.java
index cec39b8..68bbd69 100644
--- a/common/java/org/vufind/util/DeweyCallNormalizer.java
+++ b/common/java/org/vufind/util/DeweyCallNormalizer.java
@@ -1,6 +1,6 @@
 package org.vufind.util;
 
-import org.solrmarc.callnum.DeweyCallNumber;
+import org.marc4j.callnum.DeweyCallNumber;
 import java.util.logging.Logger;
 
 public class DeweyCallNormalizer implements Normalizer
diff --git a/common/java/org/vufind/util/LCCallNormalizer.java b/common/java/org/vufind/util/LCCallNormalizer.java
index e5542dd..9e60376 100644
--- a/common/java/org/vufind/util/LCCallNormalizer.java
+++ b/common/java/org/vufind/util/LCCallNormalizer.java
@@ -1,6 +1,6 @@
 package org.vufind.util;
 
-import org.solrmarc.callnum.LCCallNumber;
+import org.marc4j.callnum.LCCallNumber;
 import java.util.logging.Logger;
 
 public class LCCallNormalizer implements Normalizer
diff --git a/libs/MarcImporter.jar b/libs/MarcImporter.jar
deleted file mode 100644
index eecb4a5..0000000
Binary files a/libs/MarcImporter.jar and /dev/null differ