Fix deprecations

Closes gh-16037

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/restdocs/RestDocsTestController.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -20,7 +20,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 import org.springframework.hateoas.MediaTypes;
-import org.springframework.hateoas.mvc.ControllerLinkBuilder;
+import org.springframework.hateoas.mvc.WebMvcLinkBuilder;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.RestController;
@@ -33,7 +33,7 @@ public class RestDocsTestController {
 	public Map<String, Object> index() {
 		Map<String, Object> response = new HashMap<>();
 		Map<String, String> links = new HashMap<>();
-		links.put("self", ControllerLinkBuilder.linkTo(getClass()).toUri().toString());
+		links.put("self", WebMvcLinkBuilder.linkTo(getClass()).toUri().toString());
 		response.put("_links", links);
 		return response;
 	}

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

@@ -88,9 +88,11 @@ public class ReactiveWebServerApplicationContext
 		ServerManager serverManager = this.serverManager;
 		if (serverManager == null) {
 			String webServerFactoryBeanName = getWebServerFactoryBeanName();
+			ReactiveWebServerFactory webServerFactory = getWebServerFactory(
+					webServerFactoryBeanName);
 			boolean lazyInit = getBeanFactory()
 					.getBeanDefinition(webServerFactoryBeanName).isLazyInit();
-			this.serverManager = ServerManager.get(getWebServerFactory(), lazyInit);
+			this.serverManager = ServerManager.get(webServerFactory, lazyInit);
 		}
 		initPropertySources();
 	}