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Spring Boot 3 with CustomValidator and native Executable

Time：11-29

Hello Spring Boot Experts,

I'm trying to create a annotation custom validation, when i execute this in JVM Mode everything works as expected, but when i execute as native image i get this error

StackTrace

2022-11-28T17:09:40.312 01:00 ERROR 14056 --- [nio-8080-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'info.novatec.validator.api.validators.ClaimNumberValidator': Failed to instantiate [info.novatec.validator.api.validators.ClaimNumberValidator]: No default constructor found] with root cause

java.lang.NoSuchMethodException: info.novatec.validator.api.validators.ClaimNumberValidator.<init>()
        at [email protected]/java.lang.Class.getConstructor0(DynamicHub.java:3585) ~[CustomValidatorExample:na]
        at [email protected]/java.lang.Class.getDeclaredConstructor(DynamicHub.java:2754) ~[CustomValidatorExample:na]
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:79) ~[CustomValidatorExample:6.0.2]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1300) ~[CustomValidatorExample:6.0.2]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1198) ~[CustomValidatorExample:6.0.2]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:561) ~[CustomValidatorExample:6.0.2]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:521) ~[CustomValidatorExample:6.0.2]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:321) ~[CustomValidatorExample:6.0.2]
        at org.springframework.validation.beanvalidation.SpringConstraintValidatorFactory.getInstance(SpringConstraintValidatorFactory.java:56) ~[na:na]
        at org.hibernate.validator.internal.engine.constraintvalidation.ClassBasedValidatorDescriptor.newInstance(ClassBasedValidatorDescriptor.java:84) ~[na:na]
        at org.hibernate.validator.internal.engine.constraintvalidation.AbstractConstraintValidatorManagerImpl.createAndInitializeValidator(AbstractConstraintValidatorManagerImpl.java:89) ~[CustomValidatorExample:8.0.0.Final]
        at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintValidatorManagerImpl.getInitializedValidator(ConstraintValidatorManagerImpl.java:117) ~[na:na]
        at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.getInitializedConstraintValidator(ConstraintTree.java:136) ~[CustomValidatorExample:8.0.0.Final]
        at org.hibernate.validator.internal.engine.constraintvalidation.SimpleConstraintTree.validateConstraints(SimpleConstraintTree.java:58) ~[na:na]
        at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:75) ~[CustomValidatorExample:8.0.0.Final]
        at org.hibernate.validator.internal.metadata.core.MetaConstraint.doValidateConstraint(MetaConstraint.java:130) ~[CustomValidatorExample:8.0.0.Final]
        at org.hibernate.validator.internal.metadata.core.MetaConstraint.validateConstraint(MetaConstraint.java:123) ~[CustomValidatorExample:8.0.0.Final]
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateMetaConstraint(ValidatorImpl.java:555) ~[na:na]
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateMetaConstraints(ValidatorImpl.java:537) ~[na:na]
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateParametersForSingleGroup(ValidatorImpl.java:991) ~[na:na]
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateParametersForGroup(ValidatorImpl.java:932) ~[na:na]
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateParametersInContext(ValidatorImpl.java:863) ~[na:na]
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateParameters(ValidatorImpl.java:283) ~[na:na]
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateParameters(ValidatorImpl.java:235) ~[na:na]
        at org.springframework.validation.beanvalidation.MethodValidationInterceptor.invoke(MethodValidationInterceptor.java:121) ~[na:na]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[CustomValidatorExample:6.0.2]
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:752) ~[na:na]
        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:703) ~[na:na]
        at info.novatec.validator.api.ClaimNumberController$$SpringCGLIB$$0.isClaimNumberValid(<generated>) ~[CustomValidatorExample:na]
        at [email protected]/java.lang.reflect.Method.invoke(Method.java:568) ~[CustomValidatorExample:na]
        at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:207) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:152) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:884) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1080) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:973) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1003) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:895) ~[CustomValidatorExample:6.0.2]
        at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:705) ~[CustomValidatorExample:6.0]
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:880) ~[CustomValidatorExample:6.0.2]
        at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:814) ~[CustomValidatorExample:6.0]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:223) ~[na:na]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[na:na]
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[CustomValidatorExample:10.1.1]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[na:na]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[na:na]
        at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[CustomValidatorExample:6.0.2]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[na:na]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[na:na]
        at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[CustomValidatorExample:6.0.2]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[na:na]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[na:na]
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[CustomValidatorExample:6.0.2]
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[CustomValidatorExample:6.0.2]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[na:na]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[na:na]
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[na:na]
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[na:na]
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) ~[CustomValidatorExample:10.1.1]
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:119) ~[na:na]
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[CustomValidatorExample:10.1.1]
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[na:na]
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) ~[na:na]
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:400) ~[na:na]
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[CustomValidatorExample:10.1.1]
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) ~[na:na]
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1739) ~[na:na]
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[CustomValidatorExample:10.1.1]
        at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[na:na]
        at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[na:na]
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[na:na]
        at [email protected]/java.lang.Thread.run(Thread.java:833) ~[CustomValidatorExample:na]
        at org.graalvm.nativeimage.builder/com.oracle.svm.core.thread.PlatformThreads.threadStartRoutine(PlatformThreads.java:775) ~[CustomValidatorExample:na]
        at org.graalvm.nativeimage.builder/com.oracle.svm.core.posix.thread.PosixPlatformThreads.pthreadStartRoutine(PosixPlatformThreads.java:203) ~[na:na]

My Validator

import jakarta.validation.Constraint
import jakarta.validation.ConstraintValidator
import jakarta.validation.ConstraintValidatorContext
import jakarta.validation.Payload
import kotlin.annotation.AnnotationTarget.VALUE_PARAMETER
import kotlin.reflect.KClass

@Target(VALUE_PARAMETER)
@MustBeDocumented
@Constraint(validatedBy = [ClaimNumberValidator::class])
annotation class ClaimNumber(
    val message: String = "ClaimNumber must 11 chars long and start with 'KR'",
    val groups: Array<KClass<*>> = [],
    val payload: Array<KClass<out Payload>> = []
)

class ClaimNumberValidator: ConstraintValidator<ClaimNumber, String> {
    override fun isValid(value: String?, context: ConstraintValidatorContext?): Boolean {
        return value!=null && value.trim().length == 11 && value.trim().startsWith("KR")
    }
}

My Controller

@RestController
@RequestMapping("/claimNumber")
@Validated
class ClaimNumberController {

    @GetMapping("/{claimNumber}/isValid")
    fun isClaimNumberValid(
            @PathVariable
            @ClaimNumber
            claimNumber: String
    ): Boolean {
        return true
    }
}

The commplete example is here: CustomValidatorExample

I found this bug 1570 in project spring-native (which is now superseeded by spring boot 3). The problem is not the same but similar.

My Questions are:

  • Should I raise a bug report in spring boot 3 also?
  • Can I use TypeHints to get it working? If yes, How to do it?

CodePudding user response：

This will be addressed in Spring Framework. In the meantime, you can work around the problem by registering an additional reflection hint:

package info.novatec.validator

import info.novatec.validator.api.validators.ClaimNumberValidator
import org.springframework.aot.hint.MemberCategory
import org.springframework.aot.hint.RuntimeHints
import org.springframework.aot.hint.RuntimeHintsRegistrar
import org.springframework.boot.autoconfigure.SpringBootApplication
import org.springframework.boot.runApplication
import org.springframework.context.annotation.ImportRuntimeHints

@ImportRuntimeHints(ClaimNumberValidatorRuntimeHints::class)
@SpringBootApplication
class CustomValidatorExampleApplication

fun main(args: Array<String>) {
    runApplication<CustomValidatorExampleApplication>(*args)
}

class ClaimNumberValidatorRuntimeHints : RuntimeHintsRegistrar {
    override fun registerHints(hints: RuntimeHints, classLoader: ClassLoader?) {
        hints.reflection().registerType(ClaimNumberValidator::class.java, MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS)
    }
}

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