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import org.openqa.selenium.By;

import org.openqa.selenium.WebDriver;


import org.openqa.selenium.firefox.FirefoxDriver;

public class Webdriver {

    public static void main(String[] args) throws InterruptedException {

        // TODO Auto-generated method stub

        System.setProperty("webdriver.gecko.driver", "C:\\Selenium\\geckodriver.exe");

        WebDriver driver = new FirefoxDriver();


        //WebDriver driver = new ChromeDriver();






When I run this code on eclipse luna there is an error: Exception in thread "main" org.openqa.selenium.SessionNotCreatedException: Unable to find a matching set of capabilities

1 Answer

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Since the below statement is abhorred:

new FirefoxDriver(DesiredCapabilities caps);

You can use the below-stated statement:

FirefoxOptions options = new FirefoxOptions(); options.setCapability("marionette", false); 

WebDriver webDriver = new FirefoxDriver(options);

and you should be able to run your code without errors.

If you are interested to learn Selenium on a much deeper level and want to become a professional in the testing domain, check out Intellipaat’s Selenium online courses!

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