Fixing ChromeDriver and Firefox Driver Compatibility Errors in Katalon Studio

Ever gotten an issue or error where your web driver refused to start your browser currently resulting to all your test steps failing? Then this is for you.
This error is noticeable in two ways:-
1. Your browser simple flickers on and off rather than continuing your test steps
2. You go through your console logs in Katalon to see a message similar to:

This version of ChromeDriver only supports Chrome version 76

Solution

Using the latest version of Katalon, there is the new option to update your drivers via the User Interface :-

For Mac

Steps to Update Web Drivers Via Katalon UI

For Windows

Upon this, attempt to run your test cases again; most times, you are fine.
Sadly, this does not always work……….

If Update WebDrivers via Katalon Does not Work, You Can Do the Following:

For Chrome:

1. Find out your Katalon chromeDriver version via the error message in Katalon Console Log
2. Find out the version of chrome you have installed by visiting:
   “ chrome://settings/help” in your chrome browser.
3. Download the chrome driver that matches your version of your chrome from here.

Be sure to select and download the version of the the chromeDriver that matches your operating system.

Upon downloading, extract the driver.

NB: If you do not see the version of your chrome there, selected the closest.

4. Copy and and replace the extracted driver to the following locations, depending on your Operating System version.

For Windows:

• <Katalon Studio folder>\configuration\resources\drivers\chromedriver_win32
• <Katalon Studio folder>\configuration\resources\drivers\chromedriver_win64

For MacOS:

• /Applications/Katalon Studio.app/Contents/Eclipse/configuration/resources/drivers/chromedriver_mac

NB: To drill down to this location in mac, right click on the Katalon.app icon in Applications directory and click on, “Show Package Contents”

For Firefox:

Follow similar steps as chrome.

1. Find out your Katalon Firefox driver version via the error message in Katalon Console Log
2. Find out the version of Firefox installed by visiting:
   “about:preferences” in your Firefox browser.
3. Download the Firefox driver that matches your version of your firefox from here

Be sure to select and download the version of the the Firefox Driver that matches your operating system.

Upon downloading, extract the driver.

NB: If not certain, update your Firefox to the latest and download the latest driver.

4. Copy and and replace the extracted driver to the following locations, depending on your Operating System version.

Windows

• <Katalon Studio folder>\configuration\resources\drivers\firefox_win32
• <Katalon Studio folder>\configuration\resources\drivers\firefox_win64

MacOS

• /Applications/Katalon Studio.app/Contents/Eclipse/configuration/resources/drivers/firefox_mac