Expanded class hierarchy of MappingException

class \Symfony\Component\Validator\Exception\ValidatorException extends \Symfony\Component\Validator\Exception\RuntimeException
- class \Symfony\Component\Validator\Exception\ConstraintDefinitionException
- class \Symfony\Component\Validator\Exception\GroupDefinitionException
- class \Symfony\Component\Validator\Exception\InvalidOptionsException
- class \Symfony\Component\Validator\Exception\MappingException
- class \Symfony\Component\Validator\Exception\MissingOptionsException
- class \Symfony\Component\Validator\Exception\NoSuchMetadataException
- class \Symfony\Component\Validator\Exception\UnexpectedTypeException