Auto-configure JsonpMapper even with user-defined transport

Closes gh-36698

Author: wilkinsona

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/elasticsearch/ElasticsearchClientAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,12 +17,15 @@
 package org.springframework.boot.autoconfigure.elasticsearch;
 
 import co.elastic.clients.elasticsearch.ElasticsearchClient;
+import org.elasticsearch.client.RestClient;
 
 import org.springframework.boot.autoconfigure.AutoConfiguration;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.elasticsearch.ElasticsearchClientConfigurations.ElasticsearchClientConfiguration;
 import org.springframework.boot.autoconfigure.elasticsearch.ElasticsearchClientConfigurations.ElasticsearchTransportConfiguration;
+import org.springframework.boot.autoconfigure.elasticsearch.ElasticsearchClientConfigurations.JsonpMapperConfiguration;
 import org.springframework.boot.autoconfigure.jsonb.JsonbAutoConfiguration;
 import org.springframework.context.annotation.Import;
 
@@ -33,8 +36,10 @@
  * @since 3.0.0
  */
 @AutoConfiguration(after = { JsonbAutoConfiguration.class, ElasticsearchRestClientAutoConfiguration.class })
+@ConditionalOnBean(RestClient.class)
 @ConditionalOnClass(ElasticsearchClient.class)
-@Import({ ElasticsearchTransportConfiguration.class, ElasticsearchClientConfiguration.class })
+@Import({ JsonpMapperConfiguration.class, ElasticsearchTransportConfiguration.class,
+		ElasticsearchClientConfiguration.class })
 public class ElasticsearchClientAutoConfiguration {
 
 }

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/elasticsearch/ElasticsearchClientConfigurations.java

@@ -44,6 +44,12 @@
  */
 class ElasticsearchClientConfigurations {
 
+	@Import({ JacksonJsonpMapperConfiguration.class, JsonbJsonpMapperConfiguration.class,
+			SimpleJsonpMapperConfiguration.class })
+	static class JsonpMapperConfiguration {
+
+	}
+
 	@ConditionalOnMissingBean(JsonpMapper.class)
 	@ConditionalOnClass(ObjectMapper.class)
 	@Configuration(proxyBeanMethods = false)
@@ -79,9 +85,6 @@ SimpleJsonpMapper simpleJsonpMapper() {
 
 	}
 
-	@Import({ JacksonJsonpMapperConfiguration.class, JsonbJsonpMapperConfiguration.class,
-			SimpleJsonpMapperConfiguration.class })
-	@ConditionalOnBean(RestClient.class)
 	@ConditionalOnMissingBean(ElasticsearchTransport.class)
 	static class ElasticsearchTransportConfiguration {
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/elasticsearch/ReactiveElasticsearchClientAutoConfiguration.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.autoconfigure.elasticsearch;
 
 import co.elastic.clients.transport.ElasticsearchTransport;
+import org.elasticsearch.client.RestClient;
 import reactor.core.publisher.Mono;
 
 import org.springframework.boot.autoconfigure.AutoConfiguration;
@@ -37,9 +38,11 @@
  * @since 3.0.0
  */
 @AutoConfiguration(after = ElasticsearchClientAutoConfiguration.class)
+@ConditionalOnBean(RestClient.class)
 @ConditionalOnClass({ ReactiveElasticsearchClient.class, ElasticsearchTransport.class, Mono.class })
 @EnableConfigurationProperties(ElasticsearchProperties.class)
-@Import(ElasticsearchClientConfigurations.ElasticsearchTransportConfiguration.class)
+@Import({ ElasticsearchClientConfigurations.JsonpMapperConfiguration.class,
+		ElasticsearchClientConfigurations.ElasticsearchTransportConfiguration.class })
 public class ReactiveElasticsearchClientAutoConfiguration {
 
 	@Bean

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/elasticsearch/ElasticsearchClientAutoConfigurationTests.java

@@ -154,7 +154,7 @@ JsonpMapper customJsonpMapper() {
 	static class TransportConfiguration {
 
 		@Bean
-		ElasticsearchTransport customElasticsearchTransport() {
+		ElasticsearchTransport customElasticsearchTransport(JsonpMapper mapper) {
 			return mock(ElasticsearchTransport.class);
 		}