javax.validation.UnexpectedTypeException: HV000030: No validator could be found for constraint

使用hibernate validator出现上面的错误，一般两种情况：
（1）注解与需要校验的数据类型不匹配，然后就会找不到。譬如在String 类型上使用@Min
org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree#getConstraintValidatorNoUnwrapping

org.hibernate.validator.internal.engine.constraintvalidation.ConstraintValidatorManager#getInitializedValidator

org.hibernate.validator.internal.engine.constraintvalidation.ConstraintValidatorManager#findMatchingValidatorClass

org.hibernate.validator.internal.util.TypeHelper#extractType

org.hibernate.validator.internal.util.TypeHelper#getValidatorsTypes

（2）validation-api和hibernate-validator的版本不匹配。导致注解没有对应的Validator。譬如：validation-api2.x已经收录了@javax.validation.constraints.NotEmpty，但hibernate-validator 5.x中还没有相应的Validator。
hibernate-validator 5.x中是使用组合注解的方式来处理@org.hibernate.validator.constraints.NotEmpty

如下图所示，@javax.validation.constraints.NotEmpty是没有对应的Validator的，如果使用肯定会报 Novalidator

温馨提示：Spring boot 中spring-boot-starter-web 中已经匹配的版本。如果不在pom.xml新增validation-api和hibernate-validator就不会出现版本不匹配

配套的版本：

（1）validation-api 1.1.0.Final + hibernate-validator 5.3.6.Final

（2）validation-api 2.0.1.Final + hibernate-validator 6.0.16.Final

    <dependency>

        <groupId>org.hibernate.validator</groupId>

        <artifactId>hibernate-validator</artifactId>

        <version>6.0.16.Final</version>

        <scope>compile</scope>

    </dependency>

            <dependency>

                <groupId>javax.validation</groupId>

                <artifactId>validation-api</artifactId>

                <version>2.0.1.Final</version>

            </dependency>

如果在基本类型上面用NotEmpty或者NotBlank 会出现上面的错

http://blog.csdn.net/dracotianlong/article/details/23181729

javax.validation.UnexpectedTypeException: HV000030: No validator could be found for constraint 'javax.validation.constraints.Size' validating type 'java.lang.Short'. Check configuration for 'status'

    at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.throwExceptionForNullValidator(ConstraintTree.java:229)

    at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.getConstraintValidatorNoUnwrapping(ConstraintTree.java:310)

    at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.getConstraintValidatorInstanceForAutomaticUnwrapping(ConstraintTree.java:244)

    at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.getInitializedConstraintValidator(ConstraintTree.java:163)

    at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:116)

    at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateComposingConstraints(ConstraintTree.java:398)

    at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:98)

    at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:87)

    at org.hibernate.validator.internal.metadata.core.MetaConstraint.validateConstraint(MetaConstraint.java:73)

    at org.hibernate.validator.internal.engine.ValidatorImpl.validateMetaConstraint(ValidatorImpl.java:617)

    at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraint(ValidatorImpl.java:580)

    at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForSingleDefaultGroupElement(ValidatorImpl.java:524)

    at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForDefaultGroup(ValidatorImpl.java:492)

    at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:457)

    at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:407)

    at org.hibernate.validator.internal.engine.ValidatorImpl.validate(ValidatorImpl.java:205)

    at org.springframework.validation.beanvalidation.SpringValidatorAdapter.validate(SpringValidatorAdapter.java:108)

    at org.springframework.validation.DataBinder.validate(DataBinder.java:866)

    at org.springframework.web.method.annotation.ModelAttributeMethodProcessor.validateIfApplicable(ModelAttributeMethodProcessor.java:164)

    at org.springframework.web.method.annotation.ModelAttributeMethodProcessor.resolveArgument(ModelAttributeMethodProcessor.java:111)

    at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:99)

    at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:161)

    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:128)

    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)

    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:817)

    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:731)

    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)

    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)

    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)

    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:968)

    at org.springframework.web.servlet.FrameworkServlet.doPut(FrameworkServlet.java:881)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:651)

    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:844)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)

    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)

巴特西

javax.validation.UnexpectedTypeException: HV000030: No validator could be found for constraint

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