Cannot Start The Driver Service On Http Localhost Selenium Firefox C

When attempting to run a Selenium test using Firefox as the browser, the test fails to start the driver service on http://localhost . This issue prevents the test from executing successfully.

public class FirefoxTest { public static void main(String[] args) { System.setProperty("webdriver.gecko.driver", "/usr/local/bin/geckodriver"); WebDriver driver = new FirefoxDriver(); driver.get("http://localhost"); driver.quit(); } } When attempting to run a Selenium test using

from selenium import webdriver

test_firefox()

import org.openqa.selenium.WebDriver; import org.openqa.selenium.firefox.FirefoxDriver; WebDriver driver = new FirefoxDriver()