@Override
    public ConfigServiceRemote getConfigService() {
        return lookup(ConfigServiceJNDI);
    }

    private <T> T lookup(String name) {
        try {
            return (T) new InitialContext().lookup(name);
        } catch (NamingException e) {
            logger.info("Exception: ", e);
        }
        return null;
    }

// next class
@Override
    public Unit verifyUnit(int id) throws BlaBlaException{
        Unit unit = serviceLocator.getConfigService().getConfiguration(id);//Здесь возвращается unit с null полями
        if (unit == null) {
            throw new BlaBlaException(ErrorCode.BlaBla);
        }
        return unit;
    }