title: How to use geckodriver in selenium webdriver 3.0 beta?
body: <p>How can I use geckodriver for selenium webdriver 3.0 beta release. When I instantiate firefox like:</p>
  
  <pre><code>WebDriver driver = new FirefoxDriver();
  System.setProperty("webdriver.gecko.driver", "//lib//geckodriver");
  driver.get("/");
  </code></pre>
  
  <p>I get error:</p>
  
  <blockquote>
    <p>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
    <a href="https://github.com/mozilla/geckodriver" rel="noreferrer">https://github.com/mozilla/geckodriver</a>.</p>
  </blockquote>