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Setup Guide

Grid 4 Standalone Mode​

Download Selenium Server​

https://www.selenium.dev/downloads/

Start Grid​

java -jar selenium-server-4.x.x.jar standalone

Access UI:

http://localhost:4444/ui

Hub & Node Mode​

Start Hub​

java -jar selenium-server-4.x.x.jar hub

Start Node​

java -jar selenium-server-4.x.x.jar node

Writing Tests for Grid​

ChromeOptions options = new ChromeOptions();

WebDriver driver = new RemoteWebDriver(
    new URL("http://localhost:4444"),
    options
);

Common Setup Issues​

  • Port blocked
  • Browser not installed
  • Incorrect Grid URL

Key Takeaways​

  • Standalone mode is easiest
  • Hub/Node is for advanced setups
  • Always use RemoteWebDriver