Merge branch '2.0.x'

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/servlet/WebMvcTags.java

@@ -77,8 +77,9 @@ public final class WebMvcTags {
 	/**
 	 * Creates a {@code uri} tag based on the URI of the given {@code request}. Uses the
 	 * {@link HandlerMapping#BEST_MATCHING_PATTERN_ATTRIBUTE} best matching pattern if
-	 * available, falling back to the request's {@link HttpServletRequest#getPathInfo()
+	 * available. Falling back to {@code REDIRECTION} for 3xx responses, {@code NOT_FOUND}
-	 * path info} if necessary.
+	 * for 404 responses, {@code root} for requests with no path info, and {@code UNKNOWN}
+	 * for all other requests.
 	 * @param request the request
 	 * @param response the response
 	 * @return the uri tag derived from the request
@@ -102,7 +103,6 @@ public final class WebMvcTags {
 			if (pathInfo.isEmpty()) {
 				return URI_ROOT;
 			}
-			return Tag.of("uri", pathInfo);
 		}
 		return URI_UNKNOWN;
 	}

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/servlet/WebMvcTagsTests.java

@@ -38,12 +38,6 @@ public class WebMvcTagsTests {
 
 	private final MockHttpServletResponse response = new MockHttpServletResponse();
 
-	@Test
-	public void uriTrailingSlashesAreSuppressed() {
-		this.request.setPathInfo("//spring/");
-		assertThat(WebMvcTags.uri(this.request, null).getValue()).isEqualTo("/spring");
-	}
-
 	@Test
 	public void uriTagValueIsBestMatchingPatternWhenAvailable() {
 		this.request.setAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE,
@@ -53,6 +47,23 @@ public class WebMvcTagsTests {
 		assertThat(tag.getValue()).isEqualTo("/spring");
 	}
 
+	@Test
+	public void uriTagValueIsRootWhenRequestHasNoPatternOrPathInfo() {
+		assertThat(WebMvcTags.uri(this.request, null).getValue()).isEqualTo("root");
+	}
+
+	@Test
+	public void uriTagValueIsRootWhenRequestHasNoPatternAndSlashPathInfo() {
+		this.request.setPathInfo("/");
+		assertThat(WebMvcTags.uri(this.request, null).getValue()).isEqualTo("root");
+	}
+
+	@Test
+	public void uriTagValueIsUnknownWhenRequestHasNoPatternAndNonRootPathInfo() {
+		this.request.setPathInfo("/example");
+		assertThat(WebMvcTags.uri(this.request, null).getValue()).isEqualTo("UNKNOWN");
+	}
+
 	@Test
 	public void uriTagValueIsRedirectionWhenResponseStatusIs3xx() {
 		this.response.setStatus(301);