[hibernate-issues] [Hibernate-JIRA] Created: (HV-469) ClassCast exception when creating Combined constraint

[David J. M. Karlsen (JIRA)]

ClassCast exception when creating Combined constraint
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                 Key: HV-469
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HV-469
             Project: Hibernate Validator
          Issue Type: Bug
          Components: validators
    Affects Versions: 4.2.0.Beta2
            Reporter: David J. M. Karlsen


See https://github.com/davidkarlsen/hibernate-validator/tree/HV-448 (never mind the naming of the branch - it was an old one - but changed to fit this issue).

I get
{noformat}
javax.validation.ValidationException: Unable to initialize org.hibernate.validator.constraints.impl.SizeValidatorForString
	at org.hibernate.validator.engine.ConstraintTree.initializeConstraint(ConstraintTree.java:444)
	at org.hibernate.validator.engine.ConstraintTree.createAndInitializeValidator(ConstraintTree.java:346)
	at org.hibernate.validator.engine.ConstraintTree.getInitializedValidator(ConstraintTree.java:317)
	at org.hibernate.validator.engine.ConstraintTree.validateConstraints(ConstraintTree.java:144)
	at org.hibernate.validator.engine.ConstraintTree.validateConstraints(ConstraintTree.java:117)
	at org.hibernate.validator.metadata.MetaConstraint.validateConstraint(MetaConstraint.java:84)
	at org.hibernate.validator.engine.ValidatorImpl.validateConstraint(ValidatorImpl.java:473)
	at org.hibernate.validator.engine.ValidatorImpl.validateConstraintsForDefaultGroup(ValidatorImpl.java:395)
	at org.hibernate.validator.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:376)
	at org.hibernate.validator.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:315)
	at org.hibernate.validator.engine.ValidatorImpl.validateCascadedConstraint(ValidatorImpl.java:634)
	at org.hibernate.validator.engine.ValidatorImpl.validateCascadedMethodConstraints(ValidatorImpl.java:532)
	at org.hibernate.validator.engine.ValidatorImpl.validateReturnValueForGroup(ValidatorImpl.java:1156)
	at org.hibernate.validator.engine.ValidatorImpl.validateReturnValueInContext(ValidatorImpl.java:1074)
	at org.hibernate.validator.engine.ValidatorImpl.validateReturnValue(ValidatorImpl.java:247)
	at org.hibernate.hv448.ValidationAspect.validateReturnedValue(ValidationAspect.java:129)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:603)
	at org.springframework.aop.aspectj.AspectJAfterReturningAdvice.afterReturning(AspectJAfterReturningAdvice.java:58)
	at org.springframework.aop.framework.adapter.AfterReturningAdviceInterceptor.invoke(AfterReturningAdviceInterceptor.java:51)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)
	at org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:50)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)
	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
	at $Proxy16.proceedOkWithDefinedArg(Unknown Source)
	at org.hibernate.hv448.ValidationAspectTest.proceedOkWithDefinedArg(ValidationAspectTest.java:46)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:82)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:240)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.ClassCastException: $Proxy22 cannot be cast to javax.validation.constraints.Size
	at org.hibernate.validator.constraints.impl.SizeValidatorForString.initialize(SizeValidatorForString.java:30)
	at org.hibernate.validator.engine.ConstraintTree.initializeConstraint(ConstraintTree.java:441)
	... 59 more
{noformat}

when validating with a composed constraint.

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