title: Selenium script throwing exception as org.openqa.selenium.UnhandledAlertException even though there is no Alert
body: <p>I am running my selenium script which is based on Java and using Firefox gecko driver. The script, on navigating to a page it is throwing an exception and terminating, "UnhandledAlertException". I don't see any Alerts in the page when I navigated manually. Please help on this.</p>