Refine @SuppressWarnings("NullAway")

See gh-28797

spring-jms/src/main/java/org/springframework/jms/connection/SingleConnectionFactory.java

@@ -323,7 +323,7 @@ public class SingleConnectionFactory implements ConnectionFactory, QueueConnecti
 	 * @throws jakarta.jms.JMSException if thrown by JMS API methods
 	 * @see #initConnection()
 	 */
-	@SuppressWarnings("NullAway") // Lazy initialization
+	@SuppressWarnings("NullAway") // Dataflow analysis limitation
 	protected Connection getConnection() throws JMSException {
 		this.connectionLock.lock();
 		try {

spring-jms/src/main/java/org/springframework/jms/listener/DefaultMessageListenerContainer.java

@@ -1434,7 +1434,7 @@ public class DefaultMessageListenerContainer extends AbstractPollingMessageListe
 			}
 		}
 
-		@SuppressWarnings("NullAway") // Lazy initialization
+		@SuppressWarnings("NullAway") // Dataflow analysis limitation
 		private void initResourcesIfNecessary() throws JMSException {
 			if (getCacheLevel() <= CACHE_CONNECTION) {
 				updateRecoveryMarker();