diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/hazelcast/PropertiesHazelcastConnectionDetails.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/hazelcast/PropertiesHazelcastConnectionDetails.java
index 34d23390e6..30eb82af32 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/hazelcast/PropertiesHazelcastConnectionDetails.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/hazelcast/PropertiesHazelcastConnectionDetails.java
@@ -54,7 +54,7 @@ class PropertiesHazelcastConnectionDetails implements HazelcastConnectionDetails
 	private ClientConfig loadClientConfig(Resource configLocation) {
 		try {
 			URL configUrl = configLocation.getURL();
-			String configFileName = configUrl.getPath();
+			String configFileName = configUrl.getPath().toLowerCase();
 			if (configFileName.endsWith(".yaml") || configFileName.endsWith(".yml")) {
 				return new YamlClientConfigBuilder(configUrl).build();
 			}
diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/server/AbstractServletWebServerFactory.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/server/AbstractServletWebServerFactory.java
index 44736d5aa4..262515a56d 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/server/AbstractServletWebServerFactory.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/server/AbstractServletWebServerFactory.java
@@ -60,8 +60,6 @@ import org.springframework.util.ClassUtils;
 public abstract class AbstractServletWebServerFactory extends AbstractConfigurableWebServerFactory
 		implements ConfigurableServletWebServerFactory {
 
-	private static final String PARTITIONED_ATTRIBUTE_NAME = "Partitioned";
-
 	protected final Log logger = LogFactory.getLog(getClass());
 
 	private String contextPath = "";
@@ -354,7 +352,7 @@ public abstract class AbstractServletWebServerFactory extends AbstractConfigurab
 			map.from(cookie::getMaxAge).asInt(Duration::getSeconds).to(config::setMaxAge);
 			map.from(cookie::getPartitioned)
 				.as(Object::toString)
-				.to((partitioned) -> config.setAttribute(PARTITIONED_ATTRIBUTE_NAME, partitioned));
+				.to((partitioned) -> config.setAttribute("Partitioned", partitioned));
 		}
 
 		private Set<jakarta.servlet.SessionTrackingMode> unwrap(Set<Session.SessionTrackingMode> modes) {