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From "Karsten Tinnefeld (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BVAL-105) Multiple use of @ReportAsSingleViolation composing constraints on one bean leads to internal RuntimeError
Date Thu, 03 May 2012 12:34:50 GMT
Karsten Tinnefeld created BVAL-105:
--------------------------------------

             Summary: Multiple use of @ReportAsSingleViolation composing constraints on one
bean leads to internal RuntimeError
                 Key: BVAL-105
                 URL: https://issues.apache.org/jira/browse/BVAL-105
             Project: BVal
          Issue Type: Bug
          Components: jsr303
    Affects Versions: 0.4
         Environment: Win 7 64-Bit Java 1.6.0_30 
            Reporter: Karsten Tinnefeld


Given a composing validation annotation


@Pattern(regexp = ".*\\$1.*")
@ReportAsSingleViolation
@Constraint(validatedBy = {})
@Documented
@Retention(RUNTIME)
@Target({ ANNOTATION_TYPE, CONSTRUCTOR, FIELD, METHOD, PARAMETER })
public @interface ValidURLPattern {

    String message() default "{path.to.ValidURLPattern.message}";

    Class < ? >[] groups() default {};

    Class < ? extends Payload >[] payload() default {};
}


attached to a bean several times 


@lombok.Data
public class Bean {

    @ValidURLPattern
    private String oneURL;

    @ValidURLPattern
    private String secondURL;

[...]
}


validating a bean containing null in both URLs yields a spurious validation error on one field,
by adding up to _n_ fields, _n - 1_ errors are displayed.

I tracked down to ConstraintValidation.validate(GroupValidationContext<?>), where a
runtime error is thrown somewhere in the iteration over getComposingValidations(), and then
gave up.

On removal of @ReportAsSingleViolation, the error disappeared.

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