Fail build on missing configuration property descriptions

Closes gh-31916

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/AutoTimeProperties.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -30,10 +30,19 @@ import org.springframework.boot.actuate.metrics.AutoTimer;
  */
 public final class AutoTimeProperties implements AutoTimer {
 
+	/**
+	 * Whether to enable auto-timing.
+	 */
 	private boolean enabled = true;
 
+	/**
+	 * Whether to publish percentile histrograms.
+	 */
 	private boolean percentilesHistogram;
 
+	/**
+	 * Percentiles for which additional time series should be published.
+	 */
 	private double[] percentiles;
 
 	/**

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/wavefront/WavefrontProperties.java

@@ -97,10 +97,20 @@ public class WavefrontProperties extends PushRegistryProperties {
 
 	public static class Sender {
 
+		/**
+		 * Maximum queue size of the in-memory buffer.
+		 */
 		private int maxQueueSize = 50000;
 
+		/**
+		 * Interval at which points are flushed to the Wavefront server.
+		 */
 		private Duration flushInterval = Duration.ofSeconds(1);
 
+		/**
+		 * Maximum message size, such that each batch is reported as one or more messages
+		 * where no message exceeds the specified size.
+		 */
 		private DataSize messageSize = DataSize.ofBytes(Integer.MAX_VALUE);
 
 		public int getMaxQueueSize() {

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -243,15 +243,6 @@
       "description": "Whether to enable Solr health check.",
       "defaultValue": true
     },
-    {
-      "name": "management.health.status.order",
-      "defaultValue": [
-        "DOWN",
-        "OUT_OF_SERVICE",
-        "UP",
-        "UNKNOWN"
-      ]
-    },
     {
       "name": "management.info.build.enabled",
       "type": "java.lang.Boolean",

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/health/HealthEndpointAutoConfigurationTests.java

@@ -123,7 +123,7 @@ class HealthEndpointAutoConfigurationTests {
 	@Test
 	void runWhenHasHttpCodeStatusMapperBeanIgnoresProperties() {
 		this.contextRunner.withUserConfiguration(HttpCodeStatusMapperConfiguration.class)
-				.withPropertyValues("management.health.status.http-mapping.up=123").run((context) -> {
+				.withPropertyValues("management.endpoint.health.status.http-mapping.up=123").run((context) -> {
 					HttpCodeStatusMapper mapper = context.getBean(HttpCodeStatusMapper.class);
 					assertThat(mapper.getStatusCode(Status.UP)).isEqualTo(456);
 				});

spring-boot-project/spring-boot-autoconfigure/build.gradle

@@ -257,3 +257,13 @@ dependencies {
 	testRuntimeOnly("jakarta.management.j2ee:jakarta.management.j2ee-api")
 	testRuntimeOnly("org.jetbrains.kotlin:kotlin-reflect")
 }
+
+tasks.named("checkSpringConfigurationMetadata").configure {
+	exclusions = [
+		"spring.datasource.dbcp2.*",
+		"spring.datasource.hikari.*",
+		"spring.datasource.oracleucp.*",
+		"spring.datasource.tomcat.*",
+		"spring.groovy.template.configuration.*"
+	]
+}

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

@@ -1738,8 +1738,14 @@ public class ServerProperties {
 
 		public static class Options {
 
+			/**
+			 * Socket options as defined in org.xnio.Options.
+			 */
 			private Map<String, String> socket = new LinkedHashMap<>();
 
+			/**
+			 * Server options as defined in io.undertow.UndertowOptions.
+			 */
 			private Map<String, String> server = new LinkedHashMap<>();
 
 			public Map<String, String> getServer() {

spring-boot-project/spring-boot-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -129,17 +129,67 @@
       "name": "server.port",
       "defaultValue": 8080
     },
+    {
+      "name": "server.reactive.session.cookie.domain",
+      "description": "Domain for the cookie."
+    },
+    {
+      "name": "server.reactive.session.cookie.http-only",
+      "description": "Whether to use \"HttpOnly\" cookies for the cookie."
+    },
+    {
+      "name": "server.reactive.session.cookie.max-age",
+      "description": "Maximum age of the cookie. If a duration suffix is not specified, seconds will be used. A positive value indicates when the cookie expires relative to the current time. A value of 0 means the cookie should expire immediately. A negative value means no \"Max-Age\"."
+    },
+    {
+      "name": "server.reactive.session.cookie.name",
+      "description": "Name for the cookie."
+    },
+    {
+      "name": "server.reactive.session.cookie.path",
+      "description": "Path of the cookie."
+    },
+    {
+      "name": "server.reactive.session.cookie.same-site",
+      "description": "SameSite setting for the cookie."
+    },
+    {
+      "name": "server.reactive.session.cookie.secure",
+      "description": "Whether to always mark the cookie as secure."
+    },
+    {
+      "name": "server.servlet.encoding.charset",
+      "description": "Charset of HTTP requests and responses. Added to the \"Content-Type\" header if not set explicitly.",
+      "defaultValue": "UTF-8"
+    },
     {
       "name": "server.servlet.encoding.enabled",
       "type": "java.lang.Boolean",
       "description": "Whether to enable http encoding support.",
       "defaultValue": true
     },
+    {
+      "name": "server.servlet.encoding.force",
+      "description": "Whether to force the encoding to the configured charset on HTTP requests and responses."
+    },
+    {
+      "name": "server.servlet.encoding.force-request",
+      "description": "Whether to force the encoding to the configured charset on HTTP requests. Defaults to true when \"force\" has not been specified."
+    },
+    {
+      "name": "server.servlet.encoding.force-response",
+      "description": "Whether to force the encoding to the configured charset on HTTP responses."
+    },
+    {
+      "name": "server.servlet.encoding.mapping",
+      "description": "Mapping of locale to charset for response encoding."
+    },
     {
       "name": "server.servlet.jsp.class-name",
       "description": "Class name of the servlet to use for JSPs. If registered is true and this class\n\t * is on the classpath then it will be registered.",
       "defaultValue": "org.apache.jasper.servlet.JspServlet"
     },
+
     {
       "name": "server.servlet.jsp.init-parameters",
       "description": "Init parameters used to configure the JSP servlet."
@@ -159,6 +209,38 @@
         "level": "error"
       }
     },
+    {
+      "name": "server.servlet.session.cookie.comment",
+      "description": "Comment for the cookie."
+    },
+    {
+      "name": "server.servlet.session.cookie.domain",
+      "description": "Domain for the cookie."
+    },
+    {
+      "name": "server.servlet.session.cookie.http-only",
+      "description": "Whether to use \"HttpOnly\" cookies for the cookie."
+    },
+    {
+      "name": "server.servlet.session.cookie.max-age",
+      "description": "Maximum age of the cookie. If a duration suffix is not specified, seconds will be used. A positive value indicates when the cookie expires relative to the current time. A value of 0 means the cookie should expire immediately. A negative value means no \"Max-Age\"."
+    },
+    {
+      "name": "server.servlet.session.cookie.name",
+      "description": "Name of the cookie."
+    },
+    {
+      "name": "server.servlet.session.cookie.path",
+      "description": "Path of the cookie."
+    },
+    {
+      "name": "server.servlet.session.cookie.same-site",
+      "description": "SameSite setting for the cookie."
+    },
+    {
+      "name": "server.servlet.session.cookie.secure",
+      "description": "Whether to always mark the cookie as secure."
+    },
     {
       "name": "server.servlet.session.persistent",
       "description": "Whether to persist session data between restarts.",
@@ -1928,6 +2010,68 @@
         "level": "error"
       }
     },
+    {
+      "name": "spring.rsocket.server.ssl.ciphers",
+      "description": "Supported SSL ciphers."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.client-auth",
+      "description": "Client authentication mode. Requires a trust store."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.enabled",
+      "description": "Whether to enable SSL support.",
+      "defaultValue": true
+    },
+    {
+      "name": "spring.rsocket.server.ssl.enabled-protocols",
+      "description": "Enabled SSL protocols."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.key-alias",
+      "description": "Alias that identifies the key in the key store."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.key-password",
+      "description": "Password used to access the key in the key store."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.key-store",
+      "description": "Path to the key store that holds the SSL certificate (typically a jks file)."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.key-store-password",
+      "description": "Password used to access the key store."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.key-store-provider",
+      "description": "Provider for the key store."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.key-store-type",
+      "description": "Type of the key store."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.protocol",
+      "description": "SSL protocol to use.",
+      "defaultValue": "TLS"
+    },
+    {
+      "name": "spring.rsocket.server.ssl.trust-store",
+      "description": "Trust store that holds SSL certificates."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.trust-store-password",
+      "description": "Password used to access the trust store."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.trust-store-provider",
+      "description": "Provider for the trust store."
+    },
+    {
+      "name": "spring.rsocket.server.ssl.trust-store-type",
+      "description": "Type of the trust store."
+    },
     {
       "name": "spring.rsocket.server.transport",
       "defaultValue": "tcp"
@@ -2035,10 +2179,6 @@
       "description": "Whether to enable Spring's HiddenHttpMethodFilter.",
       "defaultValue": false
     },
-    {
-      "name": "spring.webflux.session.timeout",
-      "defaultValue": "30m"
-    },
     {
       "name": "spring.webservices.wsdl-locations",
       "type": "java.util.List<java.lang.String>",

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/server/Encoding.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -60,7 +60,7 @@ public class Encoding {
 	private Boolean forceResponse;
 
 	/**
-	 * Locale in which to encode mapping.
+	 * Mapping of locale to charset for response encoding..
 	 */
 	private Map<Locale, Charset> mapping;
 

spring-boot-project/spring-boot/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -324,6 +324,7 @@
     {
       "name": "spring.jpa.defer-datasource-initialization",
       "type": "java.lang.Boolean",
+      "description": "Whether to defer DataSource initialization until after any EntityManagerFactory beans have been created and initialized.",
       "defaultValue": false
     },
     {