Polishing

spring-beans/src/main/java/org/springframework/beans/PropertyDescriptorUtils.java

@@ -88,9 +88,9 @@ abstract class PropertyDescriptorUtils {
 			BasicPropertyDescriptor pd = pdMap.get(propertyName);
 			if (pd != null) {
 				if (setter) {
-					Method writedMethod = pd.getWriteMethod();
+					Method writeMethod = pd.getWriteMethod();
-					if (writedMethod == null ||
+					if (writeMethod == null ||
-							writedMethod.getParameterTypes()[0].isAssignableFrom(method.getParameterTypes()[0])) {
+							writeMethod.getParameterTypes()[0].isAssignableFrom(method.getParameterTypes()[0])) {
 						pd.setWriteMethod(method);
 					}
 					else {

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanDefinition.java

@@ -853,10 +853,12 @@ public abstract class AbstractBeanDefinition extends BeanMetadataAttributeAccess
 	 */
 	@Override
 	public ConstructorArgumentValues getConstructorArgumentValues() {
-		if (this.constructorArgumentValues == null) {
+		ConstructorArgumentValues cav = this.constructorArgumentValues;
-			this.constructorArgumentValues = new ConstructorArgumentValues();
+		if (cav == null) {
+			cav = new ConstructorArgumentValues();
+			this.constructorArgumentValues = cav;
 		}
-		return this.constructorArgumentValues;
+		return cav;
 	}
 
 	/**