Javadoc workarounds for LUCENE-9132

gradle/defaults-javadoc.gradle

@@ -22,11 +22,11 @@ allprojects {
       opts.tags(
           "lucene.experimental:a:WARNING: This API is experimental and might change in incompatible ways in the next release.",
           "lucene.internal:a:NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.",
-          "lucene.spi:t:SPI Name (Note: This is case-insensitive. e.g., if the name is 'htmlStrip', 'htmlstrip' can be used when looking up the service).",
+          "lucene.spi:t:SPI Name (case-insensitive: if the name is 'htmlStrip', 'htmlstrip' can be used when looking up the service).",
       )
 
       opts.addStringOption("-release", "11")
-      opts.addBooleanOption('Xdoclint:all,-accessibility,-missing,-html,-syntax', true)
+      opts.addBooleanOption('Xdoclint:all,-missing,-accessibility,-html', true)
 
       def libName = project.path.startsWith(":lucene") ? "Lucene" : "Solr"
       opts.overview = file("src/main/java/overview.html").toString()
@@ -36,3 +36,24 @@ allprojects {
     }
   }
 }
+
+// https://issues.apache.org/jira/browse/LUCENE-9132: Add apache yetus so that javadoc doesn't fail
+configure([
+    project(":solr:solrj"),
+    project(":solr:core"),
+    project(":solr:test-framework"),
+]) {
+  configurations {
+    javadocFix
+  }
+
+  dependencies {
+    javadocFix("org.apache.yetus:audience-annotations:0.11.1")
+  }
+
+  plugins.withType(JavaPlugin) {
+    javadoc {
+      classpath += configurations.javadocFix.asFileTree
+    }
+  }
+}