Clean up warnings

spring-webflux/src/main/java/org/springframework/web/reactive/result/method/AbstractHandlerMethodMapping.java

@@ -639,10 +639,6 @@ public abstract class AbstractHandlerMethodMapping<T> extends AbstractHandlerMap
 			this.registration = registration;
 		}
 
-		public T getMapping() {
-			return this.mapping;
-		}
-
 		public HandlerMethod getHandlerMethod() {
 			return this.registration.getHandlerMethod();
 		}

spring-webflux/src/main/java/org/springframework/web/reactive/socket/adapter/ReactorNettyWebSocketSession.java

@@ -64,6 +64,7 @@ public class ReactorNettyWebSocketSession
 	 * Constructor with an additional maxFramePayloadLength argument.
 	 * @since 5.1
 	 */
+	@SuppressWarnings("rawtypes")
 	public ReactorNettyWebSocketSession(WebsocketInbound inbound, WebsocketOutbound outbound,
 			HandshakeInfo info, NettyDataBufferFactory bufferFactory,
 			int maxFramePayloadLength) {

spring-webflux/src/main/java/org/springframework/web/reactive/socket/adapter/UndertowWebSocketHandlerAdapter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -58,18 +58,21 @@ public class UndertowWebSocketHandlerAdapter extends AbstractReceiveListener {
 	}
 
 	@Override
+	@SuppressWarnings("deprecation")
 	protected void onFullBinaryMessage(WebSocketChannel channel, BufferedBinaryMessage message) {
 		this.session.handleMessage(Type.BINARY, toMessage(Type.BINARY, message.getData().getResource()));
 		message.getData().free();
 	}
 
 	@Override
+	@SuppressWarnings("deprecation")
 	protected void onFullPongMessage(WebSocketChannel channel, BufferedBinaryMessage message) {
 		this.session.handleMessage(Type.PONG, toMessage(Type.PONG, message.getData().getResource()));
 		message.getData().free();
 	}
 
 	@Override
+	@SuppressWarnings("deprecation")
 	protected void onFullCloseMessage(WebSocketChannel channel, BufferedBinaryMessage message) {
 		CloseMessage closeMessage = new CloseMessage(message.getData().getResource());
 		this.session.handleClose(CloseStatus.create(closeMessage.getCode(), closeMessage.getReason()));

spring-webflux/src/test/java/org/springframework/web/reactive/resource/AppCacheManifestTransformerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -37,12 +37,13 @@ import static org.springframework.web.testfixture.http.server.reactive.MockServe
  * @author Rossen Stoyanchev
  * @author Brian Clozel
  */
+@SuppressWarnings("deprecation")
 public class AppCacheManifestTransformerTests {
 
 	private static final Duration TIMEOUT = Duration.ofSeconds(5);
 
 
-	private AppCacheManifestTransformer transformer;
+	private final AppCacheManifestTransformer transformer = new AppCacheManifestTransformer();
 
 	private ResourceTransformerChain chain;
 
@@ -57,7 +58,6 @@ public class AppCacheManifestTransformerTests {
 		ResourceResolverChain resolverChain = new DefaultResourceResolverChain(resolvers);
 
 		this.chain = new DefaultResourceTransformerChain(resolverChain, Collections.emptyList());
-		this.transformer = new AppCacheManifestTransformer();
 		this.transformer.setResourceUrlProvider(createUrlProvider(resolvers));
 	}
 

spring-webflux/src/test/java/org/springframework/web/reactive/resource/ResourceUrlProviderTests.java

@@ -158,6 +158,8 @@ public class ResourceUrlProviderTests {
 		assertThat(parentUrlProvider.getHandlerMap()).isEmpty();
 		ResourceUrlProvider childUrlProvider = childContext.getBean(ResourceUrlProvider.class);
 		assertThat(childUrlProvider.getHandlerMap()).hasKeySatisfying(pathPatternStringOf("/resources/**"));
+		childContext.close();
+		parentContext.close();
 	}