From 01df63b9cdd12f89763874a14cc50e0c4f8a7e4d Mon Sep 17 00:00:00 2001
From: diguage <leejun119@gmail.com>
Date: Sun, 27 Jun 2021 16:49:49 +0800
Subject: [PATCH 1/2] Delete unnecessary variable

See gh-27101
---
 .../org/springframework/jms/support/SimpleJmsHeaderMapper.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java b/spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java
index 6e029876388..5a513bafbd4 100644
--- a/spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java
+++ b/spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java
@@ -93,8 +93,7 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 					logger.debug("Failed to set JMSType - skipping", ex);
 				}
 			}
-			Set<Map.Entry<String, Object>> entries = headers.entrySet();
-			for (Map.Entry<String, Object> entry : entries) {
+			for (Map.Entry<String, Object> entry : headers.entrySet()) {
 				String headerName = entry.getKey();
 				if (StringUtils.hasText(headerName) && !headerName.startsWith(JmsHeaders.PREFIX)) {
 					Object value = entry.getValue();

From 411745f4cb13bbf0420ad8177ec3ac554bf8686d Mon Sep 17 00:00:00 2001
From: Stephane Nicoll <snicoll@vmware.com>
Date: Fri, 2 Jul 2021 08:09:07 +0200
Subject: [PATCH 2/2] Update copyright year of changed file

See gh-27101
---
 .../org/springframework/jms/support/SimpleJmsHeaderMapper.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java b/spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java
index 5a513bafbd4..36569911c69 100644
--- a/spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java
+++ b/spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2021 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.