Clean up warnings and delete dead code

spring-webflux/src/main/java/org/springframework/web/reactive/DispatcherHandler.java

@@ -21,8 +21,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
@@ -74,8 +72,6 @@ public class DispatcherHandler implements WebHandler, ApplicationContextAware {
 			new ResponseStatusException(HttpStatus.NOT_FOUND, "No matching handler");
 
 
-	private static final Log logger = LogFactory.getLog(DispatcherHandler.class);
-
 	@Nullable
 	private List<HandlerMapping> handlerMappings;
 

spring-webflux/src/test/java/org/springframework/web/reactive/function/BodyExtractorsTests.java

@@ -65,7 +65,6 @@ import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
 import org.springframework.util.MultiValueMap;
 
 import static org.junit.Assert.*;
-import static org.mockito.Mockito.when;
 import static org.springframework.http.codec.json.Jackson2CodecSupport.*;
 
 /**

spring-webflux/src/test/java/org/springframework/web/reactive/function/client/DefaultWebClientTests.java

@@ -30,7 +30,6 @@ import org.mockito.MockitoAnnotations;
 import reactor.core.publisher.Mono;
 import reactor.test.StepVerifier;
 
-import org.springframework.core.NamedInheritableThreadLocal;
 import org.springframework.core.NamedThreadLocal;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;

spring-webflux/src/test/java/org/springframework/web/reactive/function/client/support/ClientResponseWrapperTests.java

@@ -82,6 +82,7 @@ public class ClientResponseWrapperTests {
 	}
 
 	@Test
+	@SuppressWarnings("unchecked")
 	public void cookies() {
 		MultiValueMap<String, ResponseCookie> cookies = mock(MultiValueMap.class);
 		when(mockResponse.cookies()).thenReturn(cookies);

spring-webflux/src/test/java/org/springframework/web/reactive/function/server/support/ServerRequestWrapperTests.java

@@ -136,6 +136,7 @@ public class ServerRequestWrapperTests {
 	}
 
 	@Test
+	@SuppressWarnings("unchecked")
 	public void cookies() {
 		MultiValueMap<String, HttpCookie> cookies = mock(MultiValueMap.class);
 		when(mockRequest.cookies()).thenReturn(cookies);

spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/ServerWebExchangeArgumentResolverTests.java

@@ -20,7 +20,6 @@ import java.time.ZoneId;
 import java.util.Locale;
 import java.util.TimeZone;
 
-import org.junit.Before;
 import org.junit.Test;
 import reactor.core.publisher.Mono;
 

spring-webflux/src/test/kotlin/org/springframework/web/reactive/result/view/script/ScriptTemplateWithBindingsExtensions.kt

@@ -13,4 +13,4 @@ fun ScriptTemplateWithBindings.i18n(code: String) =
 
 var ScriptTemplateWithBindings.foo: String
 	get() = bindings["foo"] as String
-	set(value) { throw UnsupportedOperationException() }
+	set(@Suppress("UNUSED_PARAMETER") value) { throw UnsupportedOperationException() }