Error I am getting the below exception with System.getProperty 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. The latest version can be downloaded from https://github.com/mozilla/geckodriver/releases at com.google.common.base.Preconditions.checkState(Preconditions.java:738) at org.openqa.selenium.remote.service.DriverService.findExecutable(DriverService.java:124) at org.openqa.selenium.firefox.GeckoDriverService.access$100(GeckoDriverService.java:41) at org.openqa.selenium.firefox.GeckoDriverService$Builder.findDefaultExecutable(GeckoDriverService.java:115) at org.openqa.selenium.remote.service.DriverService$Builder.build(DriverService.java:330) at org.openqa.selenium.firefox.FirefoxDriver.toExecutor(FirefoxDriver.java:207) at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:108) at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:137) at com.merchantPlatform.MerchantPlatformTest.main(MerchantPlatformTest.java:20) Answer