How to use geckodriver in selenium webdriver 3.0 beta?

Question

How can I use geckodriver for selenium webdriver 3.0 beta release. When I instantiate firefox like:

WebDriver driver = new FirefoxDriver();
System.setProperty("webdriver.gecko.driver", "//lib//geckodriver");
driver.get("/");

I get error:

Exception in thread "main" java.lang.IllegalStateException: The path to the driver executable must be set by the webdriver.gecko.driver system property; for more information, see https://github.com/mozilla/geckodriver.

Answer 1

Got the solution:

System.setProperty("webdriver.gecko.driver", "pathTogeckodriver");
DesiredCapabilities capabilities = DesiredCapabilities.firefox();
capabilities.setCapability("marionette", true);
WebDriver driver = new FirefoxDriver(capabilities);

Answer 2

I have used the code as below, without setting the DesiredCapabilities and it works fine, without any issues

System.setProperty("webdriver.gecko.driver", "pathTogeckodriver");
WebDriver driver = new FirefoxDriver();

Answer 3

Example of how to define Firefox driver in selenium 3.x series will be:

WebDriver driver;
System.setProperty("webdriver.gecko.driver", "G:\\Drivers\\geckodriver.exe");
driver = new FirefoxDriver();

Remember this (Selenium 3.x) will also require Jave 8+ versions.