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Author Message
 Post subject: Putting constraint annotation on collection of Strings
PostPosted: Mon Apr 23, 2012 9:07 am 

Joined: Mon Jun 18, 2007 5:10 am
Posts: 3
Hi there !

I have a simple class :
public class Foo {
    @NotNull @Email
    private String[] emails;

which cannot be validated due to following exception :
javax.validation.UnexpectedTypeException: No validator could be found for type: class java.lang.String[]
   at org.hibernate.validator.engine.ConstraintTree.verifyResolveWasUnique(ConstraintTree.java:383) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.engine.ConstraintTree.findMatchingValidatorClass(ConstraintTree.java:364) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.engine.ConstraintTree.getInitializedValidator(ConstraintTree.java:313) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.engine.ConstraintTree.validateConstraints(ConstraintTree.java:144) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.engine.ConstraintTree.validateConstraints(ConstraintTree.java:117) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.metadata.MetaConstraint.validateConstraint(MetaConstraint.java:84) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.engine.ValidatorImpl.validateConstraint(ValidatorImpl.java:452) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.engine.ValidatorImpl.validateConstraintsForDefaultGroup(ValidatorImpl.java:397) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:361) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:313) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]
   at org.hibernate.validator.engine.ValidatorImpl.validate(ValidatorImpl.java:139) ~[hibernate-validator-4.2.0.Final.jar:4.2.0.Final]

Any hint/workaround regarding this issue ?

EDIT: I tried to encapsulate my String[] emails into a EmailWrapper[] emails with @Valid on emails and @Email on my EmailWrapper.address field, but it doesn't seem to solve anything (I encounter different problems which doesn't seem solvable in my POV)

Thanks in advance.

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