


To launch Firefox with Selenium Geckodriver, you will first need to download Geckodriver and then set its path. How to use Selenium Geckodriver to launch Firefox You will need to use Selenium Geckodriver to remove this error. The latest version can be downloaded from : The path to the driver executable must be set by the system property for more information, see. Instead you will see an error message as shown below – You will now notice that page would not open in a new Firefox window. To try this out, all that you need to do is point your JAR files to the latest version of Selenium 3 and then run the same code that is given above.

What happens when you don’t use Firefox Geckodriver with Selenium 3.x Let’s see whats the new implementation in Selenium 3. This is how it worked with Selenium 2.53 and before. If you just run this code, you would notice that Firefox browser would get opened and would be displayed in the browser. After you download and install Selenium, you just write the code to instantiate the WebDriver and open Firefox. It was a pretty straight forward process where you were not required to use Geckodriver or any other driver.

If you are new to Selenium and you have started directly with Selenium 3.x, you would not know how Firefox was launched with the previous versions of Selenium (version 2.53 and before). How things worked before Geckodriver and Selenium 3 It translates calls into the Marionette automation protocol by acting as a proxy between the local and remote ends. This program provides the HTTP API described by the WebDriver protocol to communicate with Gecko browsers. Geckodriver is a proxy for using W3C WebDriver-compatible clients to interact with Gecko-based browsers i.e. You can get more information about Gecko here – (software) Let us first start with the very basics – What is Gecko and GeckoDriver? Gecko is a web browser engine used in many applications developed by Mozilla Foundation and the Mozilla Corporation, most noticeably the Firefox web browser, its mobile version other than iOS devices, their email client Thunderbird and many other open source software projects.
