From cca8fbd3dec88c88da8669ff0cfffa755a82aebd Mon Sep 17 00:00:00 2001
From: Juergen Hoeller <hoellerj@vmware.com>
Date: Fri, 2 Jun 2023 23:25:08 +0200
Subject: [PATCH] Log warning in case of standard Commons Logging discovery

Closes gh-30575
---
 .../org/apache/commons/logging/LogFactoryService.java     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/spring-jcl/src/main/java/org/apache/commons/logging/LogFactoryService.java b/spring-jcl/src/main/java/org/apache/commons/logging/LogFactoryService.java
index ef82eb90c777..68561d67b5d6 100644
--- a/spring-jcl/src/main/java/org/apache/commons/logging/LogFactoryService.java
+++ b/spring-jcl/src/main/java/org/apache/commons/logging/LogFactoryService.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 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.
@@ -36,6 +36,12 @@ public class LogFactoryService extends LogFactory {
 	private final Map<String, Object> attributes = new ConcurrentHashMap<>();
 
 
+	public LogFactoryService() {
+		System.out.println("Standard Commons Logging discovery in action with spring-jcl: " +
+				"please remove commons-logging.jar from classpath in order to avoid potential conflicts");
+	}
+
+
 	@Override
 	public Log getInstance(Class<?> clazz) {
 		return getInstance(clazz.getName());