From 6b50b7b72a69a4df66579c129679ee0146f5d042 Mon Sep 17 00:00:00 2001
From: rstoyanchev <rstoyanchev@vmware.com>
Date: Tue, 13 Jun 2023 10:27:18 +0100
Subject: [PATCH] Initialize propertyName in TypeMismatchException

See gh-26219
---
 .../method/annotation/AbstractNamedValueArgumentResolver.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/AbstractNamedValueArgumentResolver.java b/spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/AbstractNamedValueArgumentResolver.java
index 254f9a4e489..d36496e8ff6 100644
--- a/spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/AbstractNamedValueArgumentResolver.java
+++ b/spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/AbstractNamedValueArgumentResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -196,6 +196,7 @@ public abstract class AbstractNamedValueArgumentResolver extends HandlerMethodAr
 			throw new ServerErrorException("Conversion not supported.", parameter, ex);
 		}
 		catch (TypeMismatchException ex) {
+			ex.initPropertyName(namedValueInfo.name);
 			throw new ServerWebInputException("Type mismatch.", parameter, ex);
 		}
 		return value;