无法处理跨参数约束/验证的 ConstraintViolationException

【问题标题】：Cannot handle ConstraintViolationException for Cross-Parameter Constraints/Validations无法处理跨参数约束/验证的 ConstraintViolationException
【发布时间】：2021-09-30 17:59:49
【问题描述】：

我在 StackOverflow 上浏览了许多与 ConstraintViolationException 相关的帖子，但无法获得任何帮助。我正在使用带有 spring-boot-starter-validation 的 Spring Boot v2.3.3 Web 应用程序。我想使用跨参数约束的自定义注释来验证密码。为了做到这一点，我关注了这个Baeldung link。下面是继承ConstraintValidator的实现类：

@SupportedValidationTarget(PARAMETERS)
public class ValidPasswordValidator implements ConstraintValidator<ValidPassword, Object[]> {

    private ValidateRequestTypeEnum requestType;

    @Autowired
    private PasswordValidatorService passwordValidatorService;

    @Override
    public void initialize(ValidPassword constraintAnnotation) {
        this.requestType = constraintAnnotation.requestType();
        SpringBeanAutowiringSupport.processInjectionBasedOnCurrentContext(this);
    }

    @Override
    public boolean isValid(Object[] value, ConstraintValidatorContext context) {

        SomeUser someUser = (SomeUser) value[0];
        try {
            passwordValidatorService.validate(someUser, this.requestType);
        } catch (ConstraintViolationException e) {
            context.disableDefaultConstraintViolation();
            context.buildConstraintViolationWithTemplate(e.getMessage()).addConstraintViolation();
            return false; // If this is turned true then no exception is thrown
        }
        return true;
    }
}

现在每当我在isValid() 方法中返回false 时，我都会得到ConstraintViolationException，即使在catch 块中处理它之后也是如此。即使我抛出不同的异常并在 catch 块中处理它，行为仍然保持不变。

下面是我的其他类实现和堆栈跟踪。任何帮助将不胜感激。

有效密码注释：

@Constraint(validatedBy = ValidPasswordValidator.class)
@Target({METHOD, CONSTRUCTOR})
@Retention(RUNTIME)
@Documented
public @interface ValidPassword {

    String message() default "";
    ValidateRequestTypeEnum requestType();
    Class<?>[] groups() default {};
    Class<? extends Payload>[] payload() default {};
}

控制器类：

@Validated
@RestController
public class SomeController {

    @ValidPassword(requestType = CREATE_USER)
    @GetMapping("/create-user")
    public void createUser(@RequestBody SomeUser someUser) {
        System.out.println("Create User Mapping");
        System.out.println(someUser.toString());
    }
}

SomeUser 模型类：

public class SomeUser {

    private int id;
    private String name;
    private String password;

// getters and setters abbreviated
// toString() abbreviated
}

PasswordValidatorService：

public interface PasswordValidatorService {
    void validate(SomeUser someUser, ValidateRequestTypeEnum requestType) throws ConstraintViolationException;
}

PasswordLengthValidatorImpl：

@Service
public class PasswordLengthValidatorImpl implements PasswordValidatorService {

    @Override
    public void validate(SomeUser someUser, ValidateRequestTypeEnum requestType) throws ConstraintViolationException {
        switch (requestType) {
            case CREATE_USER:
                System.out.println("From Create_User block");
                if (someUser.getPassword().length() < 8) {
                    throw new ConstraintViolationException("Password length less than 8", new HashSet<>());
                }
                break;
            default:
                System.out.println("---Default switch block---");
        }
    }
}

堆栈跟踪：

javax.validation.ConstraintViolationException: createUser.<cross-parameter>: Password length less than 8
    at org.springframework.validation.beanvalidation.MethodValidationInterceptor.invoke(MethodValidationInterceptor.java:116) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:691) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at com.sam.springdroolspersistence.controller.SomeController$$EnhancerBySpringCGLIB$$dbaf428.createUser(<generated>) ~[classes/:na]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_291]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_291]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_291]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_291]
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) ~[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) ~[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:878) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:792) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) ~[tomcat-embed-core-9.0.37.jar:4.0.FR]
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) ~[tomcat-embed-core-9.0.37.jar:4.0.FR]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.37.jar:9.0.37]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1589) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_291]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_291]
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.37.jar:9.0.37]
    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_291]

【问题讨论】：

  • 我已经更新了更正错误的问题。请检查一次。

标签： java spring validation


【解决方案1】：

现在每当我在 isValid() 方法中返回 false 时，我都会得到 ConstraintViolationException，即使在 catch 中处理它之后 堵塞。即使我抛出不同的行为，行为也保持不变 异常并在 catch 块中处理。

您实际上可以在 IDE 调试器（如 eclipse）中尝试此操作并遵循验证路径。 ConstraintValidator 的 isValid 方法是验证引擎和您的约束验证逻辑之间的契约。如果失败，则必须返回 false。 处理它的实际代码在org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree

您看到的堆栈跟踪不是您抛出和捕获的 - 而是在 org.springframework.validation.beanvalidation.MethodValidationInterceptor 内部生成的

【讨论】：

  • 感谢您抽出宝贵的时间。包含ConstraintTree.validateSingleConstraint ( )的包由maven导入到项目中。能否请您谈谈我应该如何处理
  • 在您的示例中，您只处理了密码验证。在交叉参数验证中还需要哪个字段。
  • 我将使用 id 字段并检查密码是否包含 id。如果包含则验证将失败。
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