Merge branch '3.4.x'

Closes gh-44440

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/kafka/KafkaAutoConfiguration.java

@@ -25,6 +25,9 @@ import org.apache.kafka.clients.consumer.ConsumerConfig;
 import org.apache.kafka.clients.producer.ProducerConfig;
 import org.apache.kafka.common.config.SslConfigs;
 
+import org.springframework.aot.hint.MemberCategory;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.RuntimeHintsRegistrar;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.boot.autoconfigure.AutoConfiguration;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
@@ -42,6 +45,7 @@ import org.springframework.boot.ssl.SslBundle;
 import org.springframework.boot.ssl.SslBundles;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Import;
+import org.springframework.context.annotation.ImportRuntimeHints;
 import org.springframework.kafka.core.ConsumerFactory;
 import org.springframework.kafka.core.DefaultKafkaConsumerFactory;
 import org.springframework.kafka.core.DefaultKafkaProducerFactory;
@@ -78,6 +82,7 @@ import org.springframework.util.StringUtils;
 @ConditionalOnClass(KafkaTemplate.class)
 @EnableConfigurationProperties(KafkaProperties.class)
 @Import({ KafkaAnnotationDrivenConfiguration.class, KafkaStreamsAnnotationDrivenConfiguration.class })
+@ImportRuntimeHints(KafkaAutoConfiguration.KafkaRuntimeHints.class)
 public class KafkaAutoConfiguration {
 
 	private final KafkaProperties properties;
@@ -249,4 +254,13 @@ public class KafkaAutoConfiguration {
 		}
 	}
 
+	static class KafkaRuntimeHints implements RuntimeHintsRegistrar {
+
+		@Override
+		public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
+			hints.reflection().registerType(SslBundleSslEngineFactory.class, MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS);
+		}
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/kafka/KafkaAutoConfigurationTests.java

@@ -45,6 +45,9 @@ import org.junit.jupiter.api.condition.JRE;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
+import org.springframework.aot.hint.MemberCategory;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.ssl.SslAutoConfiguration;
 import org.springframework.boot.ssl.SslBundle;
@@ -992,6 +995,15 @@ class KafkaAutoConfigurationTests {
 			});
 	}
 
+	@Test
+	void shouldRegisterRuntimeHints() {
+		RuntimeHints runtimeHints = new RuntimeHints();
+		new KafkaAutoConfiguration.KafkaRuntimeHints().registerHints(runtimeHints, getClass().getClassLoader());
+		assertThat(RuntimeHintsPredicates.reflection()
+			.onType(SslBundleSslEngineFactory.class)
+			.withMemberCategories(MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS)).accepts(runtimeHints);
+	}
+
 	private KafkaConnectionDetails kafkaConnectionDetails() {
 		return new KafkaConnectionDetails() {