Avoid creation of unused logger instance in AbstractMediaTypeExpression

Closes gh-25901

spring-webflux/src/main/java/org/springframework/web/reactive/result/condition/AbstractMediaTypeExpression.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -16,9 +16,6 @@
 
 package org.springframework.web.reactive.result.condition;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
 import org.springframework.http.MediaType;
 import org.springframework.lang.Nullable;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -35,8 +32,6 @@ import org.springframework.web.server.UnsupportedMediaTypeStatusException;
  */
 abstract class AbstractMediaTypeExpression implements Comparable<AbstractMediaTypeExpression>, MediaTypeExpression {
 
-	protected final Log logger = LogFactory.getLog(getClass());
-
 	private final MediaType mediaType;
 
 	private final boolean isNegated;

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

@@ -22,8 +22,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import reactor.core.publisher.Mono;
 
 import org.springframework.core.MethodParameter;
@@ -41,8 +39,6 @@ import org.springframework.web.server.ServerWebExchange;
  */
 class HandlerMethodArgumentResolverComposite implements HandlerMethodArgumentResolver {
 
-	protected final Log logger = LogFactory.getLog(getClass());
-
 	private final List<HandlerMethodArgumentResolver> argumentResolvers = new ArrayList<>();
 
 	private final Map<MethodParameter, HandlerMethodArgumentResolver> argumentResolverCache =

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/condition/AbstractMediaTypeExpression.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -16,9 +16,6 @@
 
 package org.springframework.web.servlet.mvc.condition;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
 import org.springframework.http.MediaType;
 import org.springframework.lang.Nullable;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -33,8 +30,6 @@ import org.springframework.web.bind.annotation.RequestMapping;
  */
 abstract class AbstractMediaTypeExpression implements MediaTypeExpression, Comparable<AbstractMediaTypeExpression> {
 
-	protected final Log logger = LogFactory.getLog(getClass());
-
 	private final MediaType mediaType;
 
 	private final boolean isNegated;