From e2c7653da4286e8daa9e9a185ef3f8016a035f87 Mon Sep 17 00:00:00 2001
From: Juergen Hoeller <jhoeller@pivotal.io>
Date: Thu, 14 Jul 2016 22:29:14 +0200
Subject: [PATCH] Correct parameter index boundary in exception message

Issue: SPR-14466
---
 .../src/main/java/org/springframework/core/MethodParameter.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-core/src/main/java/org/springframework/core/MethodParameter.java b/spring-core/src/main/java/org/springframework/core/MethodParameter.java
index e6cb387c59..ea1cc4c631 100644
--- a/spring-core/src/main/java/org/springframework/core/MethodParameter.java
+++ b/spring-core/src/main/java/org/springframework/core/MethodParameter.java
@@ -668,7 +668,7 @@ public class MethodParameter {
 
 	private static int validateIndex(Executable executable, int parameterIndex) {
 		int count = executable.getParameterCount();
-		Assert.isTrue(parameterIndex < count, () -> "Parameter index needs to be between 0 and " + (count - 1));
+		Assert.isTrue(parameterIndex < count, () -> "Parameter index needs to be between -1 and " + (count - 1));
 		return parameterIndex;
 	}
 
-- 
GitLab