From 249f6f2da5766f6437cde0debb2ac85bf70a5c99 Mon Sep 17 00:00:00 2001
From: shin-mallang <huipulci1@naver.com>
Date: Wed, 6 Sep 2023 04:44:11 +0900
Subject: [PATCH] Polish resolveArgument method in
 RequestResponseBodyMethodProcessor

Closes gh-31175
---
 .../method/annotation/RequestResponseBodyMethodProcessor.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestResponseBodyMethodProcessor.java b/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestResponseBodyMethodProcessor.java
index 6fa7c574b5ec..65f62dd71757 100644
--- a/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestResponseBodyMethodProcessor.java
+++ b/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestResponseBodyMethodProcessor.java
@@ -134,9 +134,9 @@ public Object resolveArgument(MethodParameter parameter, @Nullable ModelAndViewC
 
 		parameter = parameter.nestedIfOptional();
 		Object arg = readWithMessageConverters(webRequest, parameter, parameter.getNestedGenericParameterType());
-		String name = Conventions.getVariableNameForParameter(parameter);
 
 		if (binderFactory != null) {
+			String name = Conventions.getVariableNameForParameter(parameter);
 			WebDataBinder binder = binderFactory.createBinder(webRequest, arg, name);
 			if (arg != null) {
 				validateIfApplicable(binder, parameter);