Remove support for Solr as it is not compatible with Jetty 11

Closes gh-31054

Author: wilkinsona

spring-boot-project/spring-boot-actuator-autoconfigure/build.gradle

@@ -93,9 +93,6 @@ dependencies {
 	}
 	optional("org.apache.kafka:kafka-clients")
 	optional("org.apache.kafka:kafka-streams")
-	optional("org.apache.solr:solr-solrj") {
-		exclude group: "org.slf4j", module: "jcl-over-slf4j"
-	}
 	optional("org.apache.tomcat.embed:tomcat-embed-core")
 	optional("org.apache.tomcat.embed:tomcat-embed-el")
 	optional("org.apache.tomcat:tomcat-jdbc")

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/solr/SolrHealthContributorAutoConfiguration.java

@@ -267,12 +267,6 @@
       "description": "Whether to enable Redis health check.",
       "defaultValue": true
     },
-    {
-      "name": "management.health.solr.enabled",
-      "type": "java.lang.Boolean",
-      "description": "Whether to enable Solr health check.",
-      "defaultValue": true
-    },
     {
       "name": "management.health.status.order",
       "defaultValue": [

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/solr/package-info.java

@@ -91,7 +91,6 @@ org.springframework.boot.actuate.autoconfigure.scheduling.ScheduledTasksEndpoint
 org.springframework.boot.actuate.autoconfigure.security.reactive.ReactiveManagementWebSecurityAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.security.servlet.ManagementWebSecurityAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.session.SessionsEndpointAutoConfiguration
-org.springframework.boot.actuate.autoconfigure.solr.SolrHealthContributorAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.startup.StartupEndpointAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.system.DiskSpaceHealthContributorAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.trace.http.HttpTraceAutoConfiguration

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -41,7 +41,6 @@
 import org.springframework.boot.autoconfigure.liquibase.LiquibaseAutoConfiguration;
 import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
 import org.springframework.boot.autoconfigure.mongo.MongoReactiveAutoConfiguration;
-import org.springframework.boot.autoconfigure.solr.SolrAutoConfiguration;
 import org.springframework.boot.context.annotation.UserConfigurations;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
@@ -82,7 +81,7 @@ private ReactiveWebApplicationContextRunner reactiveWebRunner() {
 			Neo4jRepositoriesAutoConfiguration.class, MongoAutoConfiguration.class, MongoDataAutoConfiguration.class,
 			MongoReactiveAutoConfiguration.class, MongoReactiveDataAutoConfiguration.class,
 			RepositoryRestMvcAutoConfiguration.class, HazelcastAutoConfiguration.class,
-			ElasticsearchDataAutoConfiguration.class, SolrAutoConfiguration.class, RedisAutoConfiguration.class,
+			ElasticsearchDataAutoConfiguration.class, RedisAutoConfiguration.class,
 			RedisRepositoriesAutoConfiguration.class, MetricsAutoConfiguration.class, WavefrontAutoConfiguration.class,
 			BraveAutoConfiguration.class, OpenTelemetryAutoConfiguration.class })
 	@SpringBootConfiguration

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

@@ -36,9 +36,6 @@ dependencies {
 	}
 	optional("javax.cache:cache-api")
 	optional("jakarta.jms:jakarta.jms-api")
-	optional("org.apache.solr:solr-solrj") {
-		exclude group: "org.slf4j", module: "jcl-over-slf4j"
-	}
 	optional("org.apache.tomcat.embed:tomcat-embed-core")
 	optional("org.aspectj:aspectjweaver")
 	optional("org.cache2k:cache2k-micrometer")