From e656c1250afde91299ca883f79bc7485ebb4273b Mon Sep 17 00:00:00 2001
From: dreis2211 <christoph.dreis@freenet.de>
Date: Thu, 1 Dec 2016 21:32:15 +0100
Subject: [PATCH] AMQP-680: Avoid allocations from Method.getParameterTypes()
 in MessagingMessageListenerAdapter

---
 .../listener/adapter/MessagingMessageListenerAdapter.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-rabbit/src/main/java/org/springframework/amqp/rabbit/listener/adapter/MessagingMessageListenerAdapter.java b/spring-rabbit/src/main/java/org/springframework/amqp/rabbit/listener/adapter/MessagingMessageListenerAdapter.java
index 2952cef1..90640164 100644
--- a/spring-rabbit/src/main/java/org/springframework/amqp/rabbit/listener/adapter/MessagingMessageListenerAdapter.java
+++ b/spring-rabbit/src/main/java/org/springframework/amqp/rabbit/listener/adapter/MessagingMessageListenerAdapter.java
@@ -256,7 +256,7 @@ public class MessagingMessageListenerAdapter extends AbstractAdaptableMessageLis
 
 			Type genericParameterType = null;
 
-			for (int i = 0; i < this.method.getParameterTypes().length; i++) {
+			for (int i = 0; i < this.method.getParameterCount(); i++) {
 				MethodParameter methodParameter = new MethodParameter(this.method, i);
 				/*
 				 * We're looking for a single non-annotated parameter, or one annotated with @Payload.