ResolvableType.getNested typeProvider was missing

framework-docs/modules/ROOT/pages/web/webmvc/mvc-servlet/localeresolver.adoc

@@ -83,4 +83,4 @@ that contain a parameter named `siteLanguage` now changes the locale. So, for ex
 a request for the URL `https://domain.com/home.view?siteLanguage=nl` changes the site
 language to Dutch. The following example shows how to intercept the locale:
 
-include-code::./WebConfiguration[tag=snippet,indent=0]
+include-code::./WebConfiguration[tag=snippet,indent=0,chomp=-tags]

framework-docs/package.json

@@ -1,11 +1,11 @@
 {
   "dependencies": {
-    "antora": "3.2.0-alpha.4",
-    "@antora/atlas-extension": "1.0.0-alpha.2",
-    "@antora/collector-extension": "1.0.0-alpha.3",
+    "antora": "3.2.0-alpha.11",
+    "@antora/atlas-extension": "1.0.0-alpha.5",
+    "@antora/collector-extension": "1.0.2",
     "@asciidoctor/tabs": "1.0.0-beta.6",
     "@springio/antora-extensions": "1.14.7",
     "fast-xml-parser": "4.5.2",
-    "@springio/asciidoctor-extensions": "1.0.0-alpha.10"
+    "@springio/asciidoctor-extensions": "1.0.0-alpha.17"
   }
 }

framework-docs/src/main/kotlin/org/springframework/docs/web/webmvc/mvcservlet/mvclocaleresolverinterceptor/WebConfiguration.kt

@@ -37,7 +37,7 @@ class WebConfiguration {
 		setInterceptors(LocaleChangeInterceptor().apply {
 			paramName = "siteLanguage"
 		})
-		/* @chomp:line urlMap = mapOf("/**/*.view" to "someController") */urlMap = mapOf("/**/*.view" to "someController")
+		urlMap = mapOf("/**/*.view" to "someController")
 	}
 }
 // end::snippet[]

spring-core/src/main/java/org/springframework/core/ResolvableType.java

@@ -1479,11 +1479,8 @@ public static ResolvableType forType(@Nullable Type type) {
 	 * @see #forType(Type)
 	 */
 	public static ResolvableType forType(@Nullable Type type, @Nullable ResolvableType owner) {
-		VariableResolver variableResolver = null;
-		if (owner != null) {
-			variableResolver = owner.asVariableResolver();
-		}
-		return forType(type, variableResolver);
+		return (owner == null ? forType(type, null, null) :
+			forType(type, owner.typeProvider, owner.asVariableResolver()));
 	}
 
 	/**

spring-core/src/test/java/org/springframework/core/ResolvableTypeTests.java

@@ -1346,6 +1346,7 @@ void narrow() throws Exception {
 		ResolvableType type = ResolvableType.forField(Fields.class.getField("stringList"));
 		ResolvableType narrow = ResolvableType.forType(ArrayList.class, type);
 		assertThat(narrow.getGeneric().resolve()).isEqualTo(String.class);
+		assertThat(type.getSource()).isSameAs(narrow.getSource());
 	}
 
 	@Test

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/AbstractMessageConverterMethodArgumentResolver.java

@@ -252,10 +252,10 @@ else if (targetClass != null && converter.canRead(targetClass, contentType)) {
 	protected ResolvableType getNestedTypeIfNeeded(ResolvableType type) {
 		ResolvableType genericType = type;
 		if (Optional.class.isAssignableFrom(genericType.toClass())) {
-			genericType = genericType.getNested(2);
+			genericType = ResolvableType.forType(genericType.getNested(2).getType(), type);
 		}
 		if (HttpEntity.class.isAssignableFrom(genericType.toClass())) {
-			genericType = genericType.getNested(2);
+			genericType = ResolvableType.forType(genericType.getNested(2).getType(), type);
 		}
 		return genericType;
 	}

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/HttpEntityMethodProcessorTests.java

@@ -30,7 +30,6 @@
 import jakarta.servlet.http.HttpServletResponse;
 import org.jspecify.annotations.Nullable;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.core.MethodParameter;
@@ -152,7 +151,6 @@ void resolveGenericArgument() throws Exception {
 	}
 
 	@Test
-	@Disabled("Determine why this fails with JacksonJsonHttpMessageConverter but passes with MappingJackson2HttpMessageConverter")
 	void resolveArgumentTypeVariable() throws Exception {
 		Method method = MySimpleParameterizedController.class.getMethod("handleDto", HttpEntity.class);
 		HandlerMethod handlerMethod = new HandlerMethod(new MySimpleParameterizedController(), method);