Revert actuator changes related to path pattern parsing

See gh-31547

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/servlet/CloudFoundryWebEndpointServletHandlerMapping.java

@@ -63,7 +63,8 @@ class CloudFoundryWebEndpointServletHandlerMapping extends AbstractWebMvcEndpoin
 			Collection<ExposableWebEndpoint> endpoints, EndpointMediaTypes endpointMediaTypes,
 			CorsConfiguration corsConfiguration, CloudFoundrySecurityInterceptor securityInterceptor,
 			EndpointLinksResolver linksResolver) {
-		super(endpointMapping, endpoints, endpointMediaTypes, corsConfiguration, true);
+		super(endpointMapping, endpoints, endpointMediaTypes, corsConfiguration, true,
+				AbstractWebMvcEndpointHandlerMapping.pathPatternParser);
 		this.securityInterceptor = securityInterceptor;
 		this.linksResolver = linksResolver;
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/endpoint/web/servlet/WebMvcEndpointManagementContextConfiguration.java

@@ -37,6 +37,7 @@ import org.springframework.boot.actuate.endpoint.web.WebEndpointsSupplier;
 import org.springframework.boot.actuate.endpoint.web.WebServerNamespace;
 import org.springframework.boot.actuate.endpoint.web.annotation.ControllerEndpointsSupplier;
 import org.springframework.boot.actuate.endpoint.web.annotation.ServletEndpointsSupplier;
+import org.springframework.boot.actuate.endpoint.web.servlet.AbstractWebMvcEndpointHandlerMapping;
 import org.springframework.boot.actuate.endpoint.web.servlet.AdditionalHealthEndpointPathsWebMvcHandlerMapping;
 import org.springframework.boot.actuate.endpoint.web.servlet.ControllerEndpointHandlerMapping;
 import org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping;
@@ -84,7 +85,7 @@ public class WebMvcEndpointManagementContextConfiguration {
 		boolean shouldRegisterLinksMapping = shouldRegisterLinksMapping(webEndpointProperties, environment, basePath);
 		return new WebMvcEndpointHandlerMapping(endpointMapping, webEndpoints, endpointMediaTypes,
 				corsProperties.toCorsConfiguration(), new EndpointLinksResolver(allEndpoints, basePath),
-				shouldRegisterLinksMapping);
+				shouldRegisterLinksMapping, AbstractWebMvcEndpointHandlerMapping.pathPatternParser);
 	}
 
 	private boolean shouldRegisterLinksMapping(WebEndpointProperties webEndpointProperties, Environment environment,

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/integrationtest/WebMvcEndpointIntegrationTests.java

@@ -32,6 +32,7 @@ import org.springframework.boot.actuate.endpoint.web.EndpointServlet;
 import org.springframework.boot.actuate.endpoint.web.annotation.ControllerEndpoint;
 import org.springframework.boot.actuate.endpoint.web.annotation.RestControllerEndpoint;
 import org.springframework.boot.actuate.endpoint.web.annotation.ServletEndpoint;
+import org.springframework.boot.actuate.endpoint.web.servlet.AbstractWebMvcEndpointHandlerMapping;
 import org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping;
 import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
 import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration;
@@ -55,7 +56,6 @@ import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.DefaultMockMvcBuilder;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.test.web.servlet.setup.MockMvcConfigurer;
-import org.springframework.web.util.pattern.PathPatternParser;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.hamcrest.Matchers.both;
@@ -87,7 +87,7 @@ class WebMvcEndpointIntegrationTests {
 		this.context.setServletContext(new MockServletContext());
 		this.context.refresh();
 		WebMvcEndpointHandlerMapping handlerMapping = this.context.getBean(WebMvcEndpointHandlerMapping.class);
-		assertThat(handlerMapping.getPatternParser()).isInstanceOf(PathPatternParser.class);
+		assertThat(handlerMapping.getPatternParser()).isEqualTo(AbstractWebMvcEndpointHandlerMapping.pathPatternParser);
 	}
 
 	@Test

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/servlet/AbstractWebMvcEndpointHandlerMapping.java

@@ -102,6 +102,11 @@ public abstract class AbstractWebMvcEndpointHandlerMapping extends RequestMappin
 
 	private RequestMappingInfo.BuilderConfiguration builderConfig = new RequestMappingInfo.BuilderConfiguration();
 
+	/**
+	 * Instance of {@link PathPatternParser} shared across actuator configuration.
+	 */
+	public static final PathPatternParser pathPatternParser = new PathPatternParser();
+
 	/**
 	 * Creates a new {@code WebEndpointHandlerMapping} that provides mappings for the
 	 * operations of the given {@code webEndpoints}.
@@ -128,11 +133,29 @@ public abstract class AbstractWebMvcEndpointHandlerMapping extends RequestMappin
 	public AbstractWebMvcEndpointHandlerMapping(EndpointMapping endpointMapping,
 			Collection<ExposableWebEndpoint> endpoints, EndpointMediaTypes endpointMediaTypes,
 			CorsConfiguration corsConfiguration, boolean shouldRegisterLinksMapping) {
+		this(endpointMapping, endpoints, endpointMediaTypes, corsConfiguration, shouldRegisterLinksMapping, null);
+	}
+
+	/**
+	 * Creates a new {@code AbstractWebMvcEndpointHandlerMapping} that provides mappings
+	 * for the operations of the given endpoints.
+	 * @param endpointMapping the base mapping for all endpoints
+	 * @param endpoints the web endpoints
+	 * @param endpointMediaTypes media types consumed and produced by the endpoints
+	 * @param corsConfiguration the CORS configuration for the endpoints or {@code null}
+	 * @param shouldRegisterLinksMapping whether the links endpoint should be registered
+	 * @param pathPatternParser the path pattern parser
+	 */
+	public AbstractWebMvcEndpointHandlerMapping(EndpointMapping endpointMapping,
+			Collection<ExposableWebEndpoint> endpoints, EndpointMediaTypes endpointMediaTypes,
+			CorsConfiguration corsConfiguration, boolean shouldRegisterLinksMapping,
+			PathPatternParser pathPatternParser) {
 		this.endpointMapping = endpointMapping;
 		this.endpoints = endpoints;
 		this.endpointMediaTypes = endpointMediaTypes;
 		this.corsConfiguration = corsConfiguration;
 		this.shouldRegisterLinksMapping = shouldRegisterLinksMapping;
+		setPatternParser(pathPatternParser);
 		setOrder(-100);
 	}
 

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/servlet/WebMvcEndpointHandlerMapping.java

@@ -31,6 +31,7 @@ import org.springframework.boot.actuate.endpoint.web.Link;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.cors.CorsConfiguration;
 import org.springframework.web.servlet.HandlerMapping;
+import org.springframework.web.util.pattern.PathPatternParser;
 
 /**
  * A custom {@link HandlerMapping} that makes web endpoints available over HTTP using
@@ -62,6 +63,27 @@ public class WebMvcEndpointHandlerMapping extends AbstractWebMvcEndpointHandlerM
 		setOrder(-100);
 	}
 
+	/**
+	 * Creates a new {@code WebMvcEndpointHandlerMapping} instance that provides mappings
+	 * for the given endpoints.
+	 * @param endpointMapping the base mapping for all endpoints
+	 * @param endpoints the web endpoints
+	 * @param endpointMediaTypes media types consumed and produced by the endpoints
+	 * @param corsConfiguration the CORS configuration for the endpoints or {@code null}
+	 * @param linksResolver resolver for determining links to available endpoints
+	 * @param shouldRegisterLinksMapping whether the links endpoint should be registered
+	 * @param pathPatternParser the path pattern parser
+	 */
+	public WebMvcEndpointHandlerMapping(EndpointMapping endpointMapping, Collection<ExposableWebEndpoint> endpoints,
+			EndpointMediaTypes endpointMediaTypes, CorsConfiguration corsConfiguration,
+			EndpointLinksResolver linksResolver, boolean shouldRegisterLinksMapping,
+			PathPatternParser pathPatternParser) {
+		super(endpointMapping, endpoints, endpointMediaTypes, corsConfiguration, shouldRegisterLinksMapping,
+				pathPatternParser);
+		this.linksResolver = linksResolver;
+		setOrder(-100);
+	}
+
 	@Override
 	protected LinksHandler getLinksHandler() {
 		return new WebMvcLinksHandler();

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration.java

@@ -123,7 +123,6 @@ import org.springframework.web.servlet.view.BeanNameViewResolver;
 import org.springframework.web.servlet.view.ContentNegotiatingViewResolver;
 import org.springframework.web.servlet.view.InternalResourceViewResolver;
 import org.springframework.web.util.UrlPathHelper;
-import org.springframework.web.util.pattern.PathPatternParser;
 
 /**
  * {@link EnableAutoConfiguration Auto-configuration} for {@link EnableWebMvc Web MVC}.
@@ -159,11 +158,6 @@ public class WebMvcAutoConfiguration {
 	 */
 	public static final String DEFAULT_SUFFIX = "";
 
-	/**
-	 * Instance of {@link PathPatternParser} shared across MVC and actuator configuration.
-	 */
-	public static final PathPatternParser pathPatternParser = new PathPatternParser();
-
 	private static final String SERVLET_LOCATION = "/";
 
 	@Bean