Add spring.validation.adapt-constraint-violations property

Closes GH-43881

Signed-off-by: Yanming Zhou <[email protected]>

Author: quaff

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -44,6 +44,7 @@
  *
  * @author Stephane Nicoll
  * @author Madhura Bhave
+ * @author Yanming Zhou
  * @since 1.5.0
  */
 @AutoConfiguration
@@ -73,6 +74,9 @@ public static MethodValidationPostProcessor methodValidationPostProcessor(Enviro
 				excludeFilters.orderedStream());
 		boolean proxyTargetClass = environment.getProperty("spring.aop.proxy-target-class", Boolean.class, true);
 		processor.setProxyTargetClass(proxyTargetClass);
+		boolean adaptConstraintViolations = environment.getProperty("spring.validation.adapt-constraint-violations",
+				Boolean.class, false);
+		processor.setAdaptConstraintViolations(adaptConstraintViolations);
 		processor.setValidatorProvider(validator);
 		return processor;
 	}

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

@@ -2767,6 +2767,12 @@
       "name": "spring.thymeleaf.suffix",
       "defaultValue": ".html"
     },
+    {
+      "name": "spring.validation.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/src/test/java/org/springframework/boot/autoconfigure/validation/ValidationAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -46,6 +46,7 @@
 import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
 import org.springframework.validation.beanvalidation.MethodValidationPostProcessor;
 import org.springframework.validation.beanvalidation.OptionalValidatorFactoryBean;
+import org.springframework.validation.method.MethodValidationException;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
@@ -59,6 +60,7 @@
  *
  * @author Stephane Nicoll
  * @author Phillip Webb
+ * @author Yanming Zhou
  */
 class ValidationAutoConfigurationTests {
 
@@ -207,6 +209,18 @@ void validationCanBeConfiguredToUseJdkProxy() {
 			});
 	}
 
+	@Test
+	void validationCanBeConfiguredToAdaptConstraintViolations() {
+		this.contextRunner.withUserConfiguration(AnotherSampleServiceConfiguration.class)
+			.withPropertyValues("spring.validation.adapt-constraint-violations=true")
+			.run((context) -> {
+				assertThat(context.getBeansOfType(Validator.class)).hasSize(1);
+				AnotherSampleService service = context.getBean(AnotherSampleService.class);
+				service.doSomething(42);
+				assertThatExceptionOfType(MethodValidationException.class).isThrownBy(() -> service.doSomething(2));
+			});
+	}
+
 	@Test
 	@SuppressWarnings("unchecked")
 	void userDefinedMethodValidationPostProcessorTakesPrecedence() {