GH-3122: Log MessageRejectedWhileStoppingException as info in DMLC

Fixed the issue `MessageRejectedWhileStoppingException` should not lead to an error log in all cases

Fixes: #3122

The `MessageRejectedWhileStoppingException` in the `DirectMessageListenerContainer` was always logged at the error level, 
even though it is expected during an orderly shutdown and does not indicate a real error. 
Now, when this exception occurs, it is logged at the info level, reducing unnecessary error noise in logs.

* In `DirectMessageListenerContainer.callExecuteListener()`, exceptions of type `MessageRejectedWhileStoppingException` are now logged at info level. 
All other exceptions continue to be logged as errors.

Signed-off-by: Madan H K <[email protected]>

Author: madanhk18

spring-rabbit/src/main/java/org/springframework/amqp/rabbit/listener/DirectMessageListenerContainer.java

@@ -1223,7 +1223,12 @@ private void callExecuteListener(Object data, long deliveryTag) { // NOSONAR (co
 					handleAck(deliveryTag, channelLocallyTransacted);
 				}
 				else {
-					this.logger.error("Failed to invoke listener", e);
+					if (e instanceof org.springframework.amqp.rabbit.listener.exception.MessageRejectedWhileStoppingException) {
+						this.logger.info("Listener rejected message while stopping (requeued)", e);
+					}
+					else {
+						this.logger.error("Failed to invoke listener", e);
+					}
 					if (this.transactionManager != null) {
 						if (this.transactionAttribute.rollbackOn(e)) {
 							RabbitResourceHolder resourceHolder =