【问题标题】:hibernate validator not found in classpath在类路径中找不到休眠验证器
【发布时间】:2021-09-06 13:20:18
【问题描述】:

我写自定义注解

package ru.tinkoff.bpm.verificationcheckservice.support.validation

import org.hibernate.validator.constraints.CompositionType
import org.hibernate.validator.constraints.ConstraintComposition
import org.hibernate.validator.constraints.URL
import javax.validation.Constraint
import javax.validation.Payload
import javax.validation.ReportAsSingleViolation
import javax.validation.constraints.NotBlank
import kotlin.annotation.AnnotationRetention.RUNTIME
import kotlin.annotation.AnnotationTarget.FIELD
import kotlin.reflect.KClass

@ConstraintComposition(CompositionType.AND)
@URL
@NotBlank
@ReportAsSingleViolation
@Target(FIELD)
@Retention(RUNTIME)
@Constraint(validatedBy = [])
annotation class NotBlankUrl(
    val message: String = "must be not blank and valid URL",
    val groups: Array<KClass<*>> = [],
    val payload: Array<KClass<out Payload>> = []
)

我为 build.gradle.kts 添加依赖

implementation("org.springframework.boot:spring-boot-starter-data-jpa")
implementation("org.springframework.boot:spring-boot-starter-validation")
implementation("org.hibernate:hibernate-validator:7.0.1.Final")

Gradle 在报告中解决它 https://scans.gradle.com/s/ddjce3iwnldt4/dependencies?dependencies=valida&expandAll&focusedDependency=WzEsOCwxNDk2LFswLDEsWzE5XV1d

但是当我启动应用程序时,我看到了错误

The Bean Validation API is on the classpath but no implementation could be found

Action:

Add an implementation, such as Hibernate Validator, to the classpath

完整日志https://scans.gradle.com/s/ddjce3iwnldt4/console-log#L101

为什么 spring 不识别验证器?

【问题讨论】:

    标签: spring-boot hibernate-validator spring-validator


    【解决方案1】:

    Hibernate Validator 6 及更低版本实现了 Java EE Bean Validation API。

    Hibernate Validator 7 实现了(更新的)Jakarta Bean Validation API,它几乎相同,但将 javax.validation 包重命名为 jakarta.validation

    据我所知,Spring Framework 仍在使用 Java EE Bean Validation。

    所以你正在做的事情不会奏效。消息正确,没有实现Java EE Bean Validation;只是 Jakarta Bean Validation 的实现,Spring Framework 不支持。

    目前,如果您想使用 Spring Framework,则只能使用 Hibernate Validator 6。

    【讨论】:

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