On AbstractIntervalValidator class an error exist on validate(Content content, Map<String, Object> values, View view, Errors errors) function :

if (maxDefinition.canWrite(content))
       

{             maxValues = _getValues(content, values, _maxDefinitionPath, null);         }

        else
        {
            maxValues = content.getValue(_minDefinitionPath, true); Should be _maxDefinitionPath
        }