Create spring-boot-validation module

Closes gh-46087

settings.gradle

@@ -100,6 +100,7 @@ include "spring-boot-project:spring-boot-tools:spring-boot-test-support"
 include "spring-boot-project:spring-boot-tools:spring-boot-test-support-docker"
 include "spring-boot-project:spring-boot-tx"
 include "spring-boot-project:spring-boot-undertow"
+include "spring-boot-project:spring-boot-validation"
 include "spring-boot-system-tests:spring-boot-deployment-tests"
 include "spring-boot-system-tests:spring-boot-image-tests"
 include "spring-boot-tests:spring-boot-integration-tests:spring-boot-configuration-processor-tests"

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

@@ -45,6 +45,7 @@ dependencies {
 	optional(project(":spring-boot-project:spring-boot-reactor-netty"))
 	optional(project(":spring-boot-project:spring-boot-tomcat"))
 	optional(project(":spring-boot-project:spring-boot-undertow"))
+	optional(project(":spring-boot-project:spring-boot-validation"))
 	optional("ch.qos.logback:logback-classic")
 	optional("org.apache.cassandra:java-driver-core") {
 		exclude group: "org.slf4j", module: "jcl-over-slf4j"

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

@@ -47,6 +47,7 @@ dependencies {
 	optional(project(":spring-boot-project:spring-boot-reactor-netty"))
 	optional(project(":spring-boot-project:spring-boot-tomcat"))
 	optional(project(":spring-boot-project:spring-boot-undertow"))
+	optional(project(":spring-boot-project:spring-boot-validation"))
 	optional("org.apache.cassandra:java-driver-core") {
 		exclude group: "org.slf4j", module: "jcl-over-slf4j"
 	}

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/annotation/ControllerEndpointDiscovererTests.java

@@ -31,10 +31,10 @@ import org.springframework.boot.actuate.endpoint.annotation.DiscoveredEndpoint;
 import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
 import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
+import org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.validation.annotation.Validated;

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/annotation/ServletEndpointDiscovererTests.java

@@ -39,10 +39,10 @@ import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
 import org.springframework.boot.actuate.endpoint.web.EndpointServlet;
 import org.springframework.boot.actuate.endpoint.web.ExposableServletEndpoint;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
+import org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.validation.annotation.Validated;

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

@@ -68,6 +68,7 @@ dependencies {
 	optional(project(":spring-boot-project:spring-boot-reactor-netty"))
 	optional(project(":spring-boot-project:spring-boot-tomcat"))
 	optional(project(":spring-boot-project:spring-boot-tx"))
+	optional(project(":spring-boot-project:spring-boot-validation"))
 	optional("co.elastic.clients:elasticsearch-java")
 	optional("com.fasterxml.jackson.core:jackson-databind")
 	optional("com.fasterxml.jackson.dataformat:jackson-dataformat-cbor")

spring-boot-project/spring-boot-autoconfigure-all/src/main/java/org/springframework/boot/autoconfigure/data/couchbase/CouchbaseDataAutoConfiguration.java

@@ -24,7 +24,6 @@ import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
 import org.springframework.boot.autoconfigure.couchbase.CouchbaseAutoConfiguration;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -39,7 +38,8 @@ import org.springframework.data.couchbase.repository.CouchbaseRepository;
  * @author Stephane Nicoll
  * @since 1.4.0
  */
-@AutoConfiguration(after = { CouchbaseAutoConfiguration.class, ValidationAutoConfiguration.class })
+@AutoConfiguration(after = CouchbaseAutoConfiguration.class,
+		afterName = "org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration")
 @ConditionalOnClass({ Bucket.class, CouchbaseRepository.class })
 @EnableConfigurationProperties(CouchbaseDataProperties.class)
 @Import({ CouchbaseDataConfiguration.class, CouchbaseClientFactoryConfiguration.class,

spring-boot-project/spring-boot-autoconfigure-all/src/main/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfiguration.java

@@ -36,8 +36,6 @@ import org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration
 import org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration;
 import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProviders;
 import org.springframework.boot.autoconfigure.thread.Threading;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
-import org.springframework.boot.autoconfigure.validation.ValidatorAdapter;
 import org.springframework.boot.autoconfigure.web.ConditionalOnEnabledResourceChain;
 import org.springframework.boot.autoconfigure.web.ServerProperties;
 import org.springframework.boot.autoconfigure.web.WebProperties;
@@ -48,6 +46,7 @@ import org.springframework.boot.autoconfigure.web.format.WebConversionService;
 import org.springframework.boot.autoconfigure.web.reactive.WebFluxProperties.Format;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.boot.convert.ApplicationConversionService;
+import org.springframework.boot.validation.autoconfigure.ValidatorAdapter;
 import org.springframework.boot.web.codec.CodecCustomizer;
 import org.springframework.boot.web.reactive.filter.OrderedHiddenHttpMethodFilter;
 import org.springframework.context.ApplicationContext;
@@ -106,8 +105,10 @@ import org.springframework.web.server.session.WebSessionManager;
  * @author Weix Sun
  * @since 2.0.0
  */
-@AutoConfiguration(after = { CodecsAutoConfiguration.class, ReactiveMultipartAutoConfiguration.class,
-		ValidationAutoConfiguration.class, WebSessionIdResolverAutoConfiguration.class })
+@AutoConfiguration(
+		after = { CodecsAutoConfiguration.class, ReactiveMultipartAutoConfiguration.class,
+				WebSessionIdResolverAutoConfiguration.class },
+		afterName = "org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration")
 @ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE)
 @ConditionalOnClass(WebFluxConfigurer.class)
 @ConditionalOnMissingBean({ WebFluxConfigurationSupport.class })

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

@@ -43,8 +43,6 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplicat
 import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
 import org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration;
 import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProviders;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
-import org.springframework.boot.autoconfigure.validation.ValidatorAdapter;
 import org.springframework.boot.autoconfigure.web.ConditionalOnEnabledResourceChain;
 import org.springframework.boot.autoconfigure.web.WebProperties;
 import org.springframework.boot.autoconfigure.web.WebProperties.Resources;
@@ -55,6 +53,7 @@ import org.springframework.boot.autoconfigure.web.format.WebConversionService;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcProperties.Format;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.boot.convert.ApplicationConversionService;
+import org.springframework.boot.validation.autoconfigure.ValidatorAdapter;
 import org.springframework.boot.web.servlet.ServletRegistrationBean;
 import org.springframework.boot.web.servlet.filter.OrderedFormContentFilter;
 import org.springframework.boot.web.servlet.filter.OrderedHiddenHttpMethodFilter;
@@ -137,8 +136,8 @@ import org.springframework.web.util.UrlPathHelper;
  * @author Scott Frederick
  * @since 2.0.0
  */
-@AutoConfiguration(after = { DispatcherServletAutoConfiguration.class, TaskExecutionAutoConfiguration.class,
-		ValidationAutoConfiguration.class })
+@AutoConfiguration(after = { DispatcherServletAutoConfiguration.class, TaskExecutionAutoConfiguration.class },
+		afterName = "org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration")
 @ConditionalOnWebApplication(type = Type.SERVLET)
 @ConditionalOnClass({ Servlet.class, DispatcherServlet.class, WebMvcConfigurer.class })
 @ConditionalOnMissingBean(WebMvcConfigurationSupport.class)
@@ -517,7 +516,9 @@ public class WebMvcAutoConfiguration {
 		@Bean
 		@Override
 		public Validator mvcValidator() {
-			if (!ClassUtils.isPresent("jakarta.validation.Validator", getClass().getClassLoader())) {
+			if (!ClassUtils.isPresent("jakarta.validation.Validator", getClass().getClassLoader())
+					|| !ClassUtils.isPresent("org.springframework.boot.validation.autoconfigure.ValidatorAdapter",
+							getClass().getClassLoader())) {
 				return super.mvcValidator();
 			}
 			return ValidatorAdapter.get(getApplicationContext(), getValidator());

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

@@ -2091,12 +2091,6 @@
       "name": "spring.thymeleaf.suffix",
       "defaultValue": ".html"
     },
-    {
-      "name": "spring.validation.method.adapt-constraint-violations",
-      "type": "java.lang.Boolean",
-      "description": "Whether to adapt ConstraintViolations to MethodValidationResult.",
-      "defaultValue": false
-    },
     {
       "name": "spring.webflux.hiddenmethod.filter.enabled",
       "type": "java.lang.Boolean",

spring-boot-project/spring-boot-autoconfigure-all/src/main/resources/META-INF/spring.factories

@@ -4,8 +4,7 @@ org.springframework.boot.autoconfigure.integration.IntegrationPropertiesEnvironm
 
 # Background Preinitializers
 org.springframework.boot.autoconfigure.preinitialize.BackgroundPreinitializer=\
-org.springframework.boot.autoconfigure.http.MessageConverterBackgroundPreinitializer,\
-org.springframework.boot.autoconfigure.validation.JakartaValidationBackgroundPreinitializer
+org.springframework.boot.autoconfigure.http.MessageConverterBackgroundPreinitializer
 
 # Failure Analyzers
 org.springframework.boot.diagnostics.FailureAnalyzer=\

spring-boot-project/spring-boot-autoconfigure-all/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

@@ -103,7 +103,6 @@ org.springframework.boot.autoconfigure.security.oauth2.server.servlet.OAuth2Auth
 org.springframework.boot.autoconfigure.sendgrid.SendGridAutoConfiguration
 org.springframework.boot.autoconfigure.session.SessionAutoConfiguration
 org.springframework.boot.autoconfigure.thymeleaf.ThymeleafAutoConfiguration
-org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration
 org.springframework.boot.autoconfigure.web.client.RestClientAutoConfiguration
 org.springframework.boot.autoconfigure.web.client.RestTemplateAutoConfiguration
 org.springframework.boot.autoconfigure.web.reactive.HttpHandlerAutoConfiguration

spring-boot-project/spring-boot-autoconfigure-all/src/test/java/org/springframework/boot/autoconfigure/data/couchbase/CouchbaseDataAutoConfigurationTests.java

@@ -25,8 +25,8 @@ import org.springframework.boot.autoconfigure.couchbase.CouchbaseAutoConfigurati
 import org.springframework.boot.autoconfigure.couchbase.CouchbaseProperties;
 import org.springframework.boot.autoconfigure.data.couchbase.city.City;
 import org.springframework.boot.autoconfigure.domain.EntityScan;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;

spring-boot-project/spring-boot-autoconfigure-all/src/test/java/org/springframework/boot/autoconfigure/data/couchbase/CouchbaseReactiveDataAutoConfigurationTests.java

@@ -25,8 +25,8 @@ import org.springframework.boot.autoconfigure.couchbase.CouchbaseAutoConfigurati
 import org.springframework.boot.autoconfigure.couchbase.CouchbaseProperties;
 import org.springframework.boot.autoconfigure.data.couchbase.city.City;
 import org.springframework.boot.autoconfigure.domain.EntityScan;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;

spring-boot-project/spring-boot-autoconfigure-all/src/test/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfigurationTests.java

@@ -48,8 +48,6 @@ import org.springframework.aop.support.AopUtils;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.aop.AopAutoConfiguration;
 import org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
-import org.springframework.boot.autoconfigure.validation.ValidatorAdapter;
 import org.springframework.boot.autoconfigure.web.ServerProperties;
 import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration.WebFluxConfig;
 import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfigurationTests.OrderedControllerAdviceBeansConfiguration.HighestOrderedControllerAdvice;
@@ -58,6 +56,8 @@ import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
 import org.springframework.boot.testsupport.classpath.resources.WithResource;
+import org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration;
+import org.springframework.boot.validation.autoconfigure.ValidatorAdapter;
 import org.springframework.boot.web.codec.CodecCustomizer;
 import org.springframework.boot.web.reactive.context.ReactiveWebApplicationContext;
 import org.springframework.boot.web.reactive.filter.OrderedHiddenHttpMethodFilter;

spring-boot-project/spring-boot-autoconfigure-all/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfigurationTests.java

@@ -49,8 +49,6 @@ import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoCon
 import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
 import org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration;
 import org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
-import org.springframework.boot.autoconfigure.validation.ValidatorAdapter;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration.WebMvcAutoConfigurationAdapter;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfigurationTests.OrderedControllerAdviceBeansConfiguration.HighestOrderedControllerAdvice;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfigurationTests.OrderedControllerAdviceBeansConfiguration.LowestOrderedControllerAdvice;
@@ -59,6 +57,8 @@ import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
 import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.tomcat.servlet.TomcatServletWebServerFactory;
+import org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration;
+import org.springframework.boot.validation.autoconfigure.ValidatorAdapter;
 import org.springframework.boot.web.server.WebServerFactoryCustomizerBeanPostProcessor;
 import org.springframework.boot.web.server.servlet.MockServletWebServerFactory;
 import org.springframework.boot.web.server.servlet.ServletWebServerFactory;

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

@@ -2068,7 +2068,8 @@ bom {
 				"spring-boot-testcontainers",
 				"spring-boot-tomcat",
 				"spring-boot-tx",
-				"spring-boot-undertow"
+				"spring-boot-undertow",
+				"spring-boot-validation"
 			]
 			plugins = [
 				"spring-boot-maven-plugin"

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

@@ -94,6 +94,7 @@ dependencies {
 	autoConfiguration(project(path: ":spring-boot-project:spring-boot-tomcat", configuration: "autoConfigurationMetadata"))
 	autoConfiguration(project(path: ":spring-boot-project:spring-boot-tx", configuration: "autoConfigurationMetadata"))
 	autoConfiguration(project(path: ":spring-boot-project:spring-boot-undertow", configuration: "autoConfigurationMetadata"))
+	autoConfiguration(project(path: ":spring-boot-project:spring-boot-validation", configuration: "autoConfigurationMetadata"))
 
 	configurationProperties(project(path: ":spring-boot-project:spring-boot", configuration: "configurationPropertiesMetadata"))
 	configurationProperties(project(path: ":spring-boot-project:spring-boot-activemq", configuration: "configurationPropertiesMetadata"))

spring-boot-project/spring-boot-starters/spring-boot-starter-validation/build.gradle

@@ -22,6 +22,5 @@ description = "Starter for using Java Bean Validation with Hibernate Validator"
 
 dependencies {
 	api(project(":spring-boot-project:spring-boot-starters:spring-boot-starter"))
-	api("org.apache.tomcat.embed:tomcat-embed-el")
-	api("org.hibernate.validator:hibernate-validator")
+	api(project(":spring-boot-project:spring-boot-validation"))
 }

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

@@ -59,6 +59,7 @@ dependencies {
 	optional(project(":spring-boot-project:spring-boot-jsonb"))
 	optional(project(":spring-boot-project:spring-boot-reactor-netty"))
 	optional(project(":spring-boot-project:spring-boot-tx"))
+	optional(project(":spring-boot-project:spring-boot-validation"))
 	optional("jakarta.json.bind:jakarta.json.bind-api")
 	optional("jakarta.persistence:jakarta.persistence-api")
 	optional("jakarta.servlet:jakarta.servlet-api")

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/graphql/AutoConfigureGraphQl.java

@@ -34,7 +34,7 @@ import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
  * @since 2.7.0
  * @see GraphQlTest
  * @see org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration
- * @see org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration
+ * @see org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration
  * @see org.springframework.boot.autoconfigure.graphql.GraphQlAutoConfiguration
  */
 @Target(ElementType.TYPE)

spring-boot-project/spring-boot-test-autoconfigure/src/main/resources/META-INF/spring/org.springframework.boot.test.autoconfigure.graphql.AutoConfigureGraphQl.imports

@@ -1,4 +1,4 @@
 # AutoConfigureGraphQl auto-configuration imports
 org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration
-org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration
+optional:org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration
 org.springframework.boot.autoconfigure.graphql.GraphQlAutoConfiguration

spring-boot-project/spring-boot-test-autoconfigure/src/main/resources/META-INF/spring/org.springframework.boot.test.autoconfigure.web.reactive.AutoConfigureWebFlux.imports

@@ -4,6 +4,6 @@ org.springframework.boot.autoconfigure.freemarker.FreeMarkerAutoConfiguration
 org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration
 org.springframework.boot.autoconfigure.mustache.MustacheAutoConfiguration
 org.springframework.boot.autoconfigure.thymeleaf.ThymeleafAutoConfiguration
-org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration
+optional:org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration
 org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration
 org.springframework.boot.autoconfigure.web.reactive.error.ErrorWebFluxAutoConfiguration

spring-boot-project/spring-boot-test-autoconfigure/src/main/resources/META-INF/spring/org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureWebMvc.imports

@@ -8,7 +8,7 @@ org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfigurati
 org.springframework.boot.autoconfigure.mustache.MustacheAutoConfiguration
 org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration
 org.springframework.boot.autoconfigure.thymeleaf.ThymeleafAutoConfiguration
-org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration
+optional:org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration
 org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration
 org.springframework.boot.autoconfigure.web.servlet.HttpEncodingAutoConfiguration
 org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/webclient/WebFluxTestAutoConfigurationIntegrationTests.java

@@ -25,9 +25,9 @@ import org.springframework.boot.autoconfigure.mustache.MustacheAutoConfiguration
 import org.springframework.boot.autoconfigure.security.oauth2.client.reactive.ReactiveOAuth2ClientAutoConfiguration;
 import org.springframework.boot.autoconfigure.security.oauth2.resource.reactive.ReactiveOAuth2ResourceServerAutoConfiguration;
 import org.springframework.boot.autoconfigure.thymeleaf.ThymeleafAutoConfiguration;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.reactive.error.ErrorWebFluxAutoConfiguration;
 import org.springframework.boot.test.autoconfigure.web.reactive.WebFluxTest;
+import org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration;
 import org.springframework.context.ApplicationContext;
 
 import static org.assertj.core.api.Assertions.assertThat;

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

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2012-present 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+plugins {
+	id "java-library"
+	id "org.springframework.boot.auto-configuration"
+	id "org.springframework.boot.configuration-properties"
+	id "org.springframework.boot.deployed"
+	id "org.springframework.boot.optional-dependencies"
+}
+
+description = "Spring Boot Validation"
+
+dependencies {
+	api(project(":spring-boot-project:spring-boot"))
+	api("org.apache.tomcat.embed:tomcat-embed-el")
+	api("org.hibernate.validator:hibernate-validator")
+
+	optional(project(":spring-boot-project:spring-boot-autoconfigure"))
+
+	testImplementation(project(":spring-boot-project:spring-boot-test"))
+	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
+
+	testRuntimeOnly("ch.qos.logback:logback-classic")
+}

spring-boot-project/spring-boot-validation/src/main/java/org/springframework/boot/validation/autoconfigure/JakartaValidationBackgroundPreinitializer.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;
 
 import jakarta.validation.Configuration;
 import jakarta.validation.Validation;

spring-boot-project/spring-boot-validation/src/main/java/org/springframework/boot/validation/autoconfigure/PrimaryDefaultValidatorPostProcessor.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;
 
 import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.BeanFactory;

spring-boot-project/spring-boot-validation/src/main/java/org/springframework/boot/validation/autoconfigure/ValidationAutoConfiguration.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;
 
 import jakarta.validation.Validator;
 import jakarta.validation.executable.ExecutableValidator;
@@ -45,7 +45,7 @@ import org.springframework.validation.beanvalidation.MethodValidationPostProcess
  * @author Stephane Nicoll
  * @author Madhura Bhave
  * @author Yanming Zhou
- * @since 1.5.0
+ * @since 4.0.0
  */
 @AutoConfiguration
 @ConditionalOnClass(ExecutableValidator.class)

spring-boot-project/spring-boot-validation/src/main/java/org/springframework/boot/validation/autoconfigure/ValidationConfigurationCustomizer.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;
 
 import jakarta.validation.Configuration;
 
@@ -22,7 +22,7 @@ import jakarta.validation.Configuration;
  * Callback interface that can be used to customize {@link Configuration}.
  *
  * @author Dang Zhicairang
- * @since 3.0.0
+ * @since 4.0.0
  */
 @FunctionalInterface
 public interface ValidationConfigurationCustomizer {

spring-boot-project/spring-boot-validation/src/main/java/org/springframework/boot/validation/autoconfigure/ValidatorAdapter.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;
 
 import jakarta.validation.ValidationException;
 
@@ -40,7 +40,7 @@ import org.springframework.validation.beanvalidation.SpringValidatorAdapter;
  * @author Stephane Nicoll
  * @author Phillip Webb
  * @author Zisis Pavloudis
- * @since 2.0.0
+ * @since 4.0.0
  */
 public class ValidatorAdapter implements SmartValidator, ApplicationContextAware, InitializingBean, DisposableBean {
 

spring-boot-project/spring-boot-validation/src/main/java/org/springframework/boot/validation/autoconfigure/package-info.java

@@ -17,4 +17,4 @@
 /**
  * Auto-configuration for (JSR-303) Validation.
  */
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;

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

@@ -0,0 +1,12 @@
+{
+  "groups": [],
+  "properties": [
+    {
+      "name": "spring.validation.method.adapt-constraint-violations",
+      "type": "java.lang.Boolean",
+      "description": "Whether to adapt ConstraintViolations to MethodValidationResult.",
+      "defaultValue": false
+    }
+  ],
+  "hints": []
+}

spring-boot-project/spring-boot-validation/src/main/resources/META-INF/spring.factories

@@ -0,0 +1,3 @@
+# Background Preinitializers
+org.springframework.boot.autoconfigure.preinitialize.BackgroundPreinitializer=\
+org.springframework.boot.validation.autoconfigure.JakartaValidationBackgroundPreinitializer

spring-boot-project/spring-boot-validation/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

@@ -0,0 +1 @@
+org.springframework.boot.validation.autoconfigure.ValidationAutoConfiguration

spring-boot-project/spring-boot-validation/src/test/java/org/springframework/boot/validation/autoconfigure/ValidationAutoConfigurationTests.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -32,9 +32,9 @@ import org.springframework.beans.factory.BeanFactoryUtils;
 import org.springframework.beans.factory.config.BeanPostProcessor;
 import org.springframework.beans.factory.support.BeanDefinitionRegistry;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
-import org.springframework.boot.autoconfigure.validation.ValidationAutoConfigurationTests.CustomValidatorConfiguration.TestBeanPostProcessor;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.validation.autoconfigure.ValidationAutoConfigurationTests.CustomValidatorConfiguration.TestBeanPostProcessor;
 import org.springframework.boot.validation.beanvalidation.MethodValidationExcludeFilter;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;

spring-boot-project/spring-boot-validation/src/test/java/org/springframework/boot/validation/autoconfigure/ValidationAutoConfigurationWithHibernateValidatorMissingElImplTests.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;
 
 import jakarta.validation.Validator;
 import org.junit.jupiter.api.Test;

spring-boot-project/spring-boot-validation/src/test/java/org/springframework/boot/validation/autoconfigure/ValidationAutoConfigurationWithoutValidatorTests.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;
 
 import jakarta.validation.Validator;
 import org.junit.jupiter.api.Test;

spring-boot-project/spring-boot-validation/src/test/java/org/springframework/boot/validation/autoconfigure/ValidatorAdapterTests.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.autoconfigure.validation;
+package org.springframework.boot.validation.autoconfigure;
 
 import java.util.HashMap;