public class App {

    public static void main(String[] args){

    //..

        ChromeDriverService service = new ChromeDriverService.Builder()
                .usingDriverExecutable(new File(driver_home))
                .usingAnyFreePort()
                .build();

        ChromeDriver chromeDriver1 = new ChromeDriverBuilder()
                .build(chrome_options,driver_home);
    }
}