From 69d039be23392aa6dfcafa20b1eb8c48910f26c5 Mon Sep 17 00:00:00 2001
From: Sangmin <sm9171@nate.com>
Date: Fri, 25 Apr 2025 18:01:13 +0900
Subject: [PATCH] refactor: add IllegalArgumentException in
 getMostSpecificCause Method - Signed-off-by: Sangmin Na <sm9171@nate.com>

---
 .../java/org/springframework/core/NestedExceptionUtils.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/spring-core/src/main/java/org/springframework/core/NestedExceptionUtils.java b/spring-core/src/main/java/org/springframework/core/NestedExceptionUtils.java
index eba27406021e..6fbb35ba0a04 100644
--- a/spring-core/src/main/java/org/springframework/core/NestedExceptionUtils.java
+++ b/spring-core/src/main/java/org/springframework/core/NestedExceptionUtils.java
@@ -82,6 +82,9 @@ public abstract class NestedExceptionUtils {
 	 * @since 4.3.9
 	 */
 	public static Throwable getMostSpecificCause(Throwable original) {
+		if (original == null) {
+			throw new IllegalArgumentException("Original exception must not be null");
+		}
 		Throwable rootCause = getRootCause(original);
 		return (rootCause != null ? rootCause : original);
 	}