The Error

If you got this error when testing your javascript app, maybe you hate to update the selenium driver jar.

The Solution

Update the driver depending on the installation of the node module:

Check with

$ which protracto
/usr/local/bin/protractor

If installed global, then use the command

$ /usr/local/lib/node_modules/protractor/bin/webdriver-manager update

If installed in the app directory, use

$ node_modules/protractor/bin/webdriver-manager update
[17:17:13] I/update - chromedriver: file exists node_modules/protractor/node_modules/webdriver-manager/selenium/chromedriver_2.22mac32.zip
[17:17:13] I/update - chromedriver: unzipping chromedriver_2.22mac32.zip
[17:17:14] I/update - chromedriver: setting permissions to 0755 for node_modules/protractor/node_modules/webdriver-manager/selenium/chromedriver_2.22
[17:17:14] I/update - chromedriver: v2.22 up to date
[17:17:14] I/update - selenium standalone: file exists node_modules/protractor/node_modules/webdriver-manager/selenium/selenium-server-standalone-2.53.1.jar
[17:17:14] I/update - selenium standalone: v2.53.1 up to date