[hibernate-issues] [Hibernate-JIRA] Created: (HV-264) Validation of List of primitives

[Michenaud Laurent (JIRA)]

Validation of List of primitives
--------------------------------

                 Key: HV-264
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HV-264
             Project: Hibernate Validator
          Issue Type: Bug
          Components: engine
    Affects Versions: 4.0.1
         Environment: Linux
            Reporter: Michenaud Laurent


Hi,

I have a list of String in my bean :
These strings are email and i want to validate them.

So, i did in my bean :
@NotEmpty
@Email
//@Valid <= uncommenting that line doesnot change anything.
List<String> emails ;


At execution, i've got the error :
Exception in thread "main" javax.validation.UnexpectedTypeException: No validator could be found for type: java.util.List<java.lang.String>
   at org.hibernate.validator.engine.ConstraintTree.verifyResolveWasUnique(ConstraintTree.java:236)
   at org.hibernate.validator.engine.ConstraintTree.findMatchingValidatorClass(ConstraintTree.java:219)
   at org.hibernate.validator.engine.ConstraintTree.getInitializedValidator(ConstraintTree.java:167)
   at org.hibernate.validator.engine.ConstraintTree.validateConstraints(ConstraintTree.java:113)
   at org.hibernate.validator.metadata.MetaConstraint.validateConstraint(MetaConstraint.java:121)
   at org.hibernate.validator.engine.ValidatorImpl.validateConstraint(ValidatorImpl.java:334)
   at org.hibernate.validator.engine.ValidatorImpl.validateConstraintsForRedefinedDefaultGroup(ValidatorImpl.java:278)
   at org.hibernate.validator.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:260)
   at org.hibernate.validator.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:213)
   at org.hibernate.validator.engine.ValidatorImpl.validate(ValidatorImpl.java:119)
   at com.adeuza.movalys.validation.hibernate.TestMain.main(TestMain.java:75)

I don't know if it is a bug in hibernate validator. I have looked at the JSR303 and i have not seen anything
about List of primitives. You can validate per example List<Person> with @Valid and it works well because
the validator knows about Person class.

I have used a little the Oval framework and with it, you can tell if the check applies to the container,
or the values inside, or the keys(for map). I don't know if you can do that with JSR303.

I'm interesting with your point of view.


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