Avoid unnecessary bridge method resolution around getMostSpecificMethod

Closes gh-35780

spring-beans/src/main/java/org/springframework/beans/factory/annotation/AutowiredAnnotationBeanPostProcessor.java

@@ -566,7 +566,7 @@ public class AutowiredAnnotationBeanPostProcessor implements SmartInstantiationA
 		}
 
 		final List<InjectionMetadata.InjectedElement> elements = new ArrayList<>();
-		Class<?> targetClass = clazz;
+		Class<?> targetClass = ClassUtils.getUserClass(clazz);
 
 		do {
 			final List<InjectionMetadata.InjectedElement> fieldElements = new ArrayList<>();
@@ -586,12 +586,11 @@ public class AutowiredAnnotationBeanPostProcessor implements SmartInstantiationA
 
 			final List<InjectionMetadata.InjectedElement> methodElements = new ArrayList<>();
 			ReflectionUtils.doWithLocalMethods(targetClass, method -> {
-				Method bridgedMethod = BridgeMethodResolver.findBridgedMethod(method);
+				if (method.isBridge()) {
-				if (!BridgeMethodResolver.isVisibilityBridgeMethodPair(method, bridgedMethod)) {
 					return;
 				}
-				MergedAnnotation<?> ann = findAutowiredAnnotation(bridgedMethod);
+				MergedAnnotation<?> ann = findAutowiredAnnotation(method);
-				if (ann != null && method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
+				if (ann != null && method.equals(BridgeMethodResolver.getMostSpecificMethod(method, clazz))) {
 					if (Modifier.isStatic(method.getModifiers())) {
 						if (logger.isInfoEnabled()) {
 							logger.info("Autowired annotation is not supported on static methods: " + method);
@@ -609,7 +608,7 @@ public class AutowiredAnnotationBeanPostProcessor implements SmartInstantiationA
 						}
 					}
 					boolean required = determineRequiredStatus(ann);
-					PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);
+					PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method, clazz);
 					methodElements.add(new AutowiredMethodElement(method, required, pd));
 				}
 			});

spring-context-support/src/main/java/org/springframework/cache/jcache/interceptor/AbstractFallbackJCacheOperationSource.java

@@ -25,6 +25,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
 import org.springframework.aop.support.AopUtils;
+import org.springframework.beans.factory.Aware;
 import org.springframework.core.MethodClassKey;
 import org.springframework.lang.Nullable;
 import org.springframework.util.ReflectionUtils;
@@ -97,6 +98,10 @@ public abstract class AbstractFallbackJCacheOperationSource implements JCacheOpe
 		if (allowPublicMethodsOnly() && !Modifier.isPublic(method.getModifiers())) {
 			return null;
 		}
+		// Skip methods declared on BeanFactoryAware and co.
+		if (Aware.class.isAssignableFrom(method.getDeclaringClass())) {
+			return null;
+		}
 
 		// The method may be on an interface, but we need metadata from the target class.
 		// If the target class is null, the method will be unchanged.

spring-context/src/main/java/org/springframework/cache/interceptor/AbstractFallbackCacheOperationSource.java

@@ -27,6 +27,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
 import org.springframework.aop.support.AopUtils;
+import org.springframework.beans.factory.Aware;
 import org.springframework.core.MethodClassKey;
 import org.springframework.lang.Nullable;
 import org.springframework.util.ClassUtils;
@@ -139,6 +140,10 @@ public abstract class AbstractFallbackCacheOperationSource implements CacheOpera
 		if (allowPublicMethodsOnly() && !Modifier.isPublic(method.getModifiers())) {
 			return null;
 		}
+		// Skip methods declared on BeanFactoryAware and co.
+		if (Aware.class.isAssignableFrom(method.getDeclaringClass())) {
+			return null;
+		}
 
 		// The method may be on an interface, but we need metadata from the target class.
 		// If the target class is null, the method will be unchanged.

spring-context/src/main/java/org/springframework/context/annotation/CommonAnnotationBeanPostProcessor.java

@@ -424,7 +424,7 @@ public class CommonAnnotationBeanPostProcessor extends InitDestroyAnnotationBean
 		}
 
 		List<InjectionMetadata.InjectedElement> elements = new ArrayList<>();
-		Class<?> targetClass = clazz;
+		Class<?> targetClass = ClassUtils.getUserClass(clazz);
 
 		do {
 			final List<InjectionMetadata.InjectedElement> currElements = new ArrayList<>();
@@ -455,24 +455,23 @@ public class CommonAnnotationBeanPostProcessor extends InitDestroyAnnotationBean
 			});
 
 			ReflectionUtils.doWithLocalMethods(targetClass, method -> {
-				Method bridgedMethod = BridgeMethodResolver.findBridgedMethod(method);
+				if (method.isBridge()) {
-				if (!BridgeMethodResolver.isVisibilityBridgeMethodPair(method, bridgedMethod)) {
 					return;
 				}
-				if (ejbAnnotationType != null && bridgedMethod.isAnnotationPresent(ejbAnnotationType)) {
+				if (ejbAnnotationType != null && method.isAnnotationPresent(ejbAnnotationType)) {
-					if (method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
+					if (method.equals(BridgeMethodResolver.getMostSpecificMethod(method, clazz))) {
 						if (Modifier.isStatic(method.getModifiers())) {
 							throw new IllegalStateException("@EJB annotation is not supported on static methods");
 						}
 						if (method.getParameterCount() != 1) {
 							throw new IllegalStateException("@EJB annotation requires a single-arg method: " + method);
 						}
-						PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);
+						PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method, clazz);
-						currElements.add(new EjbRefElement(method, bridgedMethod, pd));
+						currElements.add(new EjbRefElement(method, method, pd));
 					}
 				}
-				else if (jakartaResourceType != null && bridgedMethod.isAnnotationPresent(jakartaResourceType)) {
+				else if (jakartaResourceType != null && method.isAnnotationPresent(jakartaResourceType)) {
-					if (method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
+					if (method.equals(BridgeMethodResolver.getMostSpecificMethod(method, clazz))) {
 						if (Modifier.isStatic(method.getModifiers())) {
 							throw new IllegalStateException("@Resource annotation is not supported on static methods");
 						}
@@ -481,13 +480,13 @@ public class CommonAnnotationBeanPostProcessor extends InitDestroyAnnotationBean
 							throw new IllegalStateException("@Resource annotation requires a single-arg method: " + method);
 						}
 						if (!this.ignoredResourceTypes.contains(paramTypes[0].getName())) {
-							PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);
+							PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method, clazz);
-							currElements.add(new ResourceElement(method, bridgedMethod, pd));
+							currElements.add(new ResourceElement(method, method, pd));
 						}
 					}
 				}
-				else if (javaxResourceType != null && bridgedMethod.isAnnotationPresent(javaxResourceType)) {
+				else if (javaxResourceType != null && method.isAnnotationPresent(javaxResourceType)) {
-					if (method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
+					if (method.equals(BridgeMethodResolver.getMostSpecificMethod(method, clazz))) {
 						if (Modifier.isStatic(method.getModifiers())) {
 							throw new IllegalStateException("@Resource annotation is not supported on static methods");
 						}
@@ -496,8 +495,8 @@ public class CommonAnnotationBeanPostProcessor extends InitDestroyAnnotationBean
 							throw new IllegalStateException("@Resource annotation requires a single-arg method: " + method);
 						}
 						if (!this.ignoredResourceTypes.contains(paramTypes[0].getName())) {
-							PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);
+							PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method, clazz);
-							currElements.add(new LegacyResourceElement(method, bridgedMethod, pd));
+							currElements.add(new LegacyResourceElement(method, method, pd));
 						}
 					}
 				}

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

@@ -100,15 +100,15 @@ public final class BridgeMethodResolver {
 	}
 
 	private static Method resolveBridgeMethod(Method bridgeMethod, Class<?> targetClass) {
-		boolean localBridge = (targetClass == bridgeMethod.getDeclaringClass());
 		Class<?> userClass = targetClass;
-		if (!bridgeMethod.isBridge() && localBridge) {
+		if (!bridgeMethod.isBridge()) {
 			userClass = ClassUtils.getUserClass(targetClass);
 			if (userClass == targetClass) {
 				return bridgeMethod;
 			}
 		}
 
+		boolean localBridge = (targetClass == bridgeMethod.getDeclaringClass());
 		Object cacheKey = (localBridge ? bridgeMethod : new MethodClassKey(bridgeMethod, targetClass));
 		Method bridgedMethod = cache.get(cacheKey);
 		if (bridgedMethod == null) {
@@ -118,7 +118,7 @@ public final class BridgeMethodResolver {
 			ReflectionUtils.doWithMethods(userClass, candidateMethods::add, filter);
 			if (!candidateMethods.isEmpty()) {
 				bridgedMethod = (candidateMethods.size() == 1 ? candidateMethods.get(0) :
-						searchCandidates(candidateMethods, bridgeMethod));
+						searchCandidates(candidateMethods, bridgeMethod, targetClass));
 			}
 			if (bridgedMethod == null) {
 				// A bridge method was passed in but we couldn't find the bridged method.
@@ -149,14 +149,16 @@ public final class BridgeMethodResolver {
 	 * @return the bridged method, or {@code null} if none found
 	 */
 	@Nullable
-	private static Method searchCandidates(List<Method> candidateMethods, Method bridgeMethod) {
+	private static Method searchCandidates(
+			List<Method> candidateMethods, Method bridgeMethod, Class<?> targetClass) {
+
 		if (candidateMethods.isEmpty()) {
 			return null;
 		}
 		Method previousMethod = null;
 		boolean sameSig = true;
 		for (Method candidateMethod : candidateMethods) {
-			if (isBridgeMethodFor(bridgeMethod, candidateMethod, bridgeMethod.getDeclaringClass())) {
+			if (isBridgeMethodFor(bridgeMethod, candidateMethod, targetClass)) {
 				return candidateMethod;
 			}
 			else if (previousMethod != null) {
@@ -172,12 +174,12 @@ public final class BridgeMethodResolver {
 	 * Determines whether the bridge {@link Method} is the bridge for the
 	 * supplied candidate {@link Method}.
 	 */
-	static boolean isBridgeMethodFor(Method bridgeMethod, Method candidateMethod, Class<?> declaringClass) {
+	static boolean isBridgeMethodFor(Method bridgeMethod, Method candidateMethod, Class<?> targetClass) {
-		if (isResolvedTypeMatch(candidateMethod, bridgeMethod, declaringClass)) {
+		if (isResolvedTypeMatch(candidateMethod, bridgeMethod, targetClass)) {
 			return true;
 		}
 		Method method = findGenericDeclaration(bridgeMethod);
-		return (method != null && isResolvedTypeMatch(method, candidateMethod, declaringClass));
+		return (method != null && isResolvedTypeMatch(method, candidateMethod, targetClass));
 	}
 
 	/**
@@ -186,14 +188,25 @@ public final class BridgeMethodResolver {
 	 * are equal after resolving all types against the declaringType, otherwise
 	 * returns {@code false}.
 	 */
-	private static boolean isResolvedTypeMatch(Method genericMethod, Method candidateMethod, Class<?> declaringClass) {
+	private static boolean isResolvedTypeMatch(Method genericMethod, Method candidateMethod, Class<?> targetClass) {
 		Type[] genericParameters = genericMethod.getGenericParameterTypes();
 		if (genericParameters.length != candidateMethod.getParameterCount()) {
 			return false;
 		}
+		Class<?> clazz = targetClass;
+		while (clazz != null && clazz != Object.class && clazz != genericMethod.getDeclaringClass()) {
+			if (checkResolvedTypeMatch(genericMethod, candidateMethod, clazz)) {
+				return true;
+			}
+			clazz = clazz.getSuperclass();
+		}
+		return false;
+	}
+
+	private static boolean checkResolvedTypeMatch(Method genericMethod, Method candidateMethod, Class<?> clazz) {
 		Class<?>[] candidateParameters = candidateMethod.getParameterTypes();
 		for (int i = 0; i < candidateParameters.length; i++) {
-			ResolvableType genericParameter = ResolvableType.forMethodParameter(genericMethod, i, declaringClass);
+			ResolvableType genericParameter = ResolvableType.forMethodParameter(genericMethod, i, clazz);
 			Class<?> candidateParameter = candidateParameters[i];
 			if (candidateParameter.isArray()) {
 				// An array type: compare the component type.
@@ -273,7 +286,9 @@ public final class BridgeMethodResolver {
 	 * introduced in Java 6 to fix <a href="https://bugs.openjdk.org/browse/JDK-6342411">
 	 * JDK-6342411</a>.
 	 * @return whether signatures match as described
+	 * @deprecated as of 6.2.13: not necessary anymore due to {@link #getMostSpecificMethod}
 	 */
+	@Deprecated(since = "6.2.13", forRemoval = true)
 	public static boolean isVisibilityBridgeMethodPair(Method bridgeMethod, Method bridgedMethod) {
 		if (bridgeMethod == bridgedMethod) {
 			// Same method: for common purposes, return true to proceed as if it was a visibility bridge.

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

@@ -429,14 +429,14 @@ class BridgeMethodResolverTests {
 	}
 
 
-	public abstract static class AbstractDateAdder implements Adder<Date> {
+	public abstract static class AbstractAdder<T extends Serializable> implements Adder<T> {
 
 		@Override
-		public abstract void add(Date date);
+		public abstract void add(T item);
 	}
 
 
-	public static class DateAdder extends AbstractDateAdder {
+	public static class DateAdder extends AbstractAdder<Date> {
 
 		@Override
 		public void add(Date date) {

spring-orm/src/main/java/org/springframework/orm/jpa/support/PersistenceAnnotationBeanPostProcessor.java

@@ -20,7 +20,6 @@ import java.beans.PropertyDescriptor;
 import java.io.Serializable;
 import java.lang.reflect.AnnotatedElement;
 import java.lang.reflect.Member;
-import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -429,7 +428,7 @@ public class PersistenceAnnotationBeanPostProcessor implements InstantiationAwar
 		}
 
 		List<InjectionMetadata.InjectedElement> elements = new ArrayList<>();
-		Class<?> targetClass = clazz;
+		Class<?> targetClass = ClassUtils.getUserClass(clazz);
 
 		do {
 			final List<InjectionMetadata.InjectedElement> currElements = new ArrayList<>();
@@ -445,21 +444,20 @@ public class PersistenceAnnotationBeanPostProcessor implements InstantiationAwar
 			});
 
 			ReflectionUtils.doWithLocalMethods(targetClass, method -> {
-				Method bridgedMethod = BridgeMethodResolver.findBridgedMethod(method);
+				if (method.isBridge()) {
-				if (!BridgeMethodResolver.isVisibilityBridgeMethodPair(method, bridgedMethod)) {
 					return;
 				}
-				if ((bridgedMethod.isAnnotationPresent(PersistenceContext.class) ||
+				if ((method.isAnnotationPresent(PersistenceContext.class) ||
-						bridgedMethod.isAnnotationPresent(PersistenceUnit.class)) &&
+						method.isAnnotationPresent(PersistenceUnit.class)) &&
-						method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
+						method.equals(BridgeMethodResolver.getMostSpecificMethod(method, clazz))) {
 					if (Modifier.isStatic(method.getModifiers())) {
 						throw new IllegalStateException("Persistence annotations are not supported on static methods");
 					}
 					if (method.getParameterCount() != 1) {
 						throw new IllegalStateException("Persistence annotation requires a single-arg method: " + method);
 					}
-					PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);
+					PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method, clazz);
-					currElements.add(new PersistenceElement(method, bridgedMethod, pd));
+					currElements.add(new PersistenceElement(method, method, pd));
 				}
 			});
 

spring-tx/src/main/java/org/springframework/transaction/interceptor/AbstractFallbackTransactionAttributeSource.java

@@ -25,6 +25,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
 import org.springframework.aop.support.AopUtils;
+import org.springframework.beans.factory.Aware;
 import org.springframework.context.EmbeddedValueResolverAware;
 import org.springframework.core.MethodClassKey;
 import org.springframework.lang.Nullable;
@@ -166,6 +167,10 @@ public abstract class AbstractFallbackTransactionAttributeSource
 		if (allowPublicMethodsOnly() && !Modifier.isPublic(method.getModifiers())) {
 			return null;
 		}
+		// Skip methods declared on BeanFactoryAware and co.
+		if (Aware.class.isAssignableFrom(method.getDeclaringClass())) {
+			return null;
+		}
 
 		// The method may be on an interface, but we need attributes from the target class.
 		// If the target class is null, the method will be unchanged.