Polish contribution

See gh-44310

Author: snicoll

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/reactive/context/ReactiveWebServerApplicationContext.java

@@ -65,18 +65,18 @@ public final void refresh() throws BeansException, IllegalStateException {
 		try {
 			super.refresh();
 		}
-		catch (RuntimeException refreshEx) {
+		catch (RuntimeException ex) {
 			WebServer webServer = getWebServer();
 			if (webServer != null) {
 				try {
 					webServer.stop();
 					webServer.destroy();
 				}
 				catch (RuntimeException stopOrDestroyEx) {
-					refreshEx.addSuppressed(stopOrDestroyEx);
+					ex.addSuppressed(stopOrDestroyEx);
 				}
 			}
-			throw refreshEx;
+			throw ex;
 		}
 	}
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/context/ServletWebServerApplicationContext.java

@@ -145,7 +145,7 @@ public final void refresh() throws BeansException, IllegalStateException {
 		try {
 			super.refresh();
 		}
-		catch (RuntimeException refreshEx) {
+		catch (RuntimeException ex) {
 			try {
 				WebServer webServer = this.webServer;
 				if (webServer != null) {
@@ -154,9 +154,9 @@ public final void refresh() throws BeansException, IllegalStateException {
 				}
 			}
 			catch (RuntimeException stopOrDestroyEx) {
-				refreshEx.addSuppressed(stopOrDestroyEx);
+				ex.addSuppressed(stopOrDestroyEx);
 			}
-			throw refreshEx;
+			throw ex;
 		}
 	}