Polish

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/http/package-info.java

@@ -15,6 +15,6 @@
  */
 
 /**
- * Support classes HTTP-related metrics.
+ * Support classes for HTTP-related metrics.
  */
 package org.springframework.boot.actuate.metrics.http;

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/reactive/server/DefaultWebFluxTagsProvider.java

@@ -70,9 +70,12 @@ public class DefaultWebFluxTagsProvider implements WebFluxTagsProvider {
 
 	@Override
 	public Iterable<Tag> httpRequestTags(ServerWebExchange exchange, Throwable exception) {
-		Tags tags = Tags.of(WebFluxTags.method(exchange), WebFluxTags.uri(exchange, this.ignoreTrailingSlash),
-				WebFluxTags.exception(exception), WebFluxTags.status(exchange),
-				WebFluxTags.outcome(exchange, exception));
+		Tags tags = Tags.empty();
+		tags = tags.and(WebFluxTags.method(exchange));
+		tags = tags.and(WebFluxTags.uri(exchange, this.ignoreTrailingSlash));
+		tags = tags.and(WebFluxTags.exception(exception));
+		tags = tags.and(WebFluxTags.status(exchange));
+		tags = tags.and(WebFluxTags.outcome(exchange, exception));
 		for (WebFluxTagsContributor contributor : this.contributors) {
 			tags = tags.and(contributor.httpRequestTags(exchange, exception));
 		}

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/reactive/server/MetricsWebFilter.java

@@ -41,7 +41,8 @@ import org.springframework.web.server.WebFilter;
 import org.springframework.web.server.WebFilterChain;
 
 /**
- * Intercepts incoming HTTP requests handled by Spring WebFlux handlers.
+ * Intercepts incoming HTTP requests handled by Spring WebFlux handlers and records
+ * metrics about execution time and results.
  *
  * @author Jon Schneider
  * @author Brian Clozel