Fix GraalVM native compilation issue with Java 22

spring-ai-model/src/main/java/org/springframework/ai/aot/SpringAiCoreRuntimeHints.java

@@ -18,6 +18,9 @@
 
 import java.util.Set;
 
+import org.slf4j.LoggerFactory;
+import org.slf4j.helpers.NOP_FallbackServiceProvider;
+import org.slf4j.helpers.SubstituteServiceProvider;
 import org.springframework.ai.chat.messages.AbstractMessage;
 import org.springframework.ai.chat.messages.AssistantMessage;
 import org.springframework.ai.chat.messages.Message;
@@ -27,8 +30,10 @@
 import org.springframework.ai.chat.messages.UserMessage;
 import org.springframework.ai.tool.ToolCallback;
 import org.springframework.ai.tool.definition.ToolDefinition;
+import org.springframework.aot.hint.MemberCategory;
 import org.springframework.aot.hint.RuntimeHints;
 import org.springframework.aot.hint.RuntimeHintsRegistrar;
+import org.springframework.aot.hint.TypeReference;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.lang.NonNull;
 import org.springframework.lang.Nullable;
@@ -54,6 +59,14 @@ public void registerHints(@NonNull RuntimeHints hints, @Nullable ClassLoader cla
 			hints.resources().registerResource(new ClassPathResource(r));
 		}
 
+		// Register SLF4J types for Java 22 native compilation compatibility
+		var slf4jTypes = Set.of(NOP_FallbackServiceProvider.class, SubstituteServiceProvider.class,
+				LoggerFactory.class);
+		for (var c : slf4jTypes) {
+			hints.reflection().registerType(TypeReference.of(c), MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS,
+					MemberCategory.INVOKE_PUBLIC_METHODS, MemberCategory.DECLARED_FIELDS);
+		}
+
 	}
 
 }

spring-ai-model/src/test/java/org/springframework/ai/aot/SpringAiCoreRuntimeHintsTests.java

@@ -0,0 +1,97 @@
+/*
+ * Copyright 2023-2025 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.ai.aot;
+
+import org.junit.jupiter.api.Test;
+import org.slf4j.LoggerFactory;
+import org.slf4j.helpers.NOP_FallbackServiceProvider;
+import org.slf4j.helpers.SubstituteServiceProvider;
+import org.springframework.ai.chat.messages.AbstractMessage;
+import org.springframework.ai.chat.messages.AssistantMessage;
+import org.springframework.ai.chat.messages.Message;
+import org.springframework.ai.chat.messages.MessageType;
+import org.springframework.ai.chat.messages.SystemMessage;
+import org.springframework.ai.chat.messages.ToolResponseMessage;
+import org.springframework.ai.chat.messages.UserMessage;
+import org.springframework.ai.tool.ToolCallback;
+import org.springframework.ai.tool.definition.ToolDefinition;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.TypeReference;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link SpringAiCoreRuntimeHints}.
+ *
+ * @author Hyunjoon Park
+ */
+class SpringAiCoreRuntimeHintsTests {
+
+	@Test
+	void registerHints() {
+		RuntimeHints runtimeHints = new RuntimeHints();
+		SpringAiCoreRuntimeHints springAiCoreRuntimeHints = new SpringAiCoreRuntimeHints();
+		springAiCoreRuntimeHints.registerHints(runtimeHints, null);
+
+		// Verify chat message types are registered
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(AbstractMessage.class)));
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(AssistantMessage.class)));
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(Message.class)));
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(MessageType.class)));
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(SystemMessage.class)));
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(ToolResponseMessage.class)));
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(UserMessage.class)));
+
+		// Verify tool types are registered
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(ToolCallback.class)));
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(ToolDefinition.class)));
+
+		// Verify SLF4J types are registered for Java 22 compatibility
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(NOP_FallbackServiceProvider.class)));
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(SubstituteServiceProvider.class)));
+		assertThat(runtimeHints.reflection().typeHints())
+			.anySatisfy(typeHint -> assertThat(typeHint.getType())
+				.isEqualTo(TypeReference.of(LoggerFactory.class)));
+
+		// Verify resources are registered
+		assertThat(runtimeHints.resources().resourcePatternHints())
+			.anySatisfy(hint -> assertThat(hint.getIncludes())
+				.anyMatch(include -> include.getPattern().contains("embedding-model-dimensions.properties")));
+	}
+}