Merge branch '6.0.x'

spring-web/src/main/java/org/springframework/http/converter/json/ProblemDetailRuntimeHints.java

@@ -20,12 +20,14 @@ import org.springframework.aot.hint.BindingReflectionHintsRegistrar;
 import org.springframework.aot.hint.RuntimeHints;
 import org.springframework.aot.hint.RuntimeHintsRegistrar;
 import org.springframework.http.ProblemDetail;
+import org.springframework.util.ClassUtils;
 
 /**
  * {@link RuntimeHintsRegistrar} implementation that registers binding reflection entries
  * for {@link ProblemDetail} serialization support with Jackson.
  *
  * @author Brian Clozel
+ * @author Stephane Nicoll
  * @since 6.0.5
  */
 class ProblemDetailRuntimeHints implements RuntimeHintsRegistrar {
@@ -34,6 +36,12 @@ class ProblemDetailRuntimeHints implements RuntimeHintsRegistrar {
 	public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
 		BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar();
 		bindingRegistrar.registerReflectionHints(hints.reflection(), ProblemDetail.class);
+		if (ClassUtils.isPresent("com.fasterxml.jackson.dataformat.xml.XmlMapper", classLoader)) {
+			bindingRegistrar.registerReflectionHints(hints.reflection(), ProblemDetailJacksonXmlMixin.class);
+		}
+		else if (ClassUtils.isPresent("com.fasterxml.jackson.annotation.JacksonAnnotation", classLoader)) {
+			bindingRegistrar.registerReflectionHints(hints.reflection(), ProblemDetailJacksonMixin.class);
+		}
 	}
 
 }

spring-web/src/test/java/org/springframework/http/converter/json/ProblemDetailRuntimeHintsTests.java

@@ -37,6 +37,9 @@ import static org.assertj.core.api.Assertions.assertThat;
  */
 class ProblemDetailRuntimeHintsTests {
 
+	private static final List<String> METHOD_NAMES = List.of("getType", "getTitle",
+			"getStatus", "getDetail", "getInstance", "getProperties");
+
 	private final RuntimeHints hints = new RuntimeHints();
 
 	@BeforeEach
@@ -48,9 +51,17 @@ class ProblemDetailRuntimeHintsTests {
 
 	@Test
 	void getterMethodsShouldHaveReflectionHints() {
-		List<String> methodNames = List.of("getType", "getTitle", "getStatus", "getDetail", "getInstance", "getProperties");
+		for (String methodName : METHOD_NAMES) {
-		for (String methodName : methodNames) {
+			assertThat(RuntimeHintsPredicates.reflection()
-			assertThat(RuntimeHintsPredicates.reflection().onMethod(ProblemDetail.class, methodName)).accepts(this.hints);
+					.onMethod(ProblemDetail.class, methodName)).accepts(this.hints);
+		}
+	}
+
+	@Test
+	void mixinShouldHaveReflectionHints() {
+		for (String methodName : METHOD_NAMES) {
+			assertThat(RuntimeHintsPredicates.reflection()
+					.onMethod(ProblemDetailJacksonXmlMixin.class, methodName)).accepts(this.hints);
 		}
 	}