extbase

    protected function initializeActionMethodValidators() {
        $parameterValidators = $this->validatorResolver->buildMethodArgumentsValidatorConjunctions(get_class($this), $this->actionMethodName);

        $dontValidateAnnotations = array();
        $methodTagsValues = $this->reflectionService->getMethodTagsValues(get_class($this), $this->actionMethodName);

        if (isset($methodTagsValues['dontvalidate'])) {
            $dontValidateAnnotations = $methodTagsValues['dontvalidate'];
        }

        foreach ($this->arguments as $argument) {
            $validator = $parameterValidators[$argument->getName()];
            if (array_search('$' . $argument->getName(), $dontValidateAnnotations) === FALSE) {
                $baseValidatorConjunction = $this->validatorResolver->getBaseValidatorConjunction($argument->getDataType());
                if ($baseValidatorConjunction !== NULL) {
                    $validator->addValidator($baseValidatorConjunction);
                }
                $argument->setValidator($validator); // <---- new position
            }
            //$argument->setValidator($validator);
        }
    }