Protractor encounters an "Error starting WebDriver session" message

After starting a server with webdriver-manager start, encountering an error when attempting to run protractor:

Using the selenium server at http://127.0.0.1:4444/wd/hub
[launcher] Running 1 instance of WebDriver
ERROR - Unable to initiate a WebDriver session.

C:\...\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\atoms\error.js:113
  var template = new Error(this.message);
                 ^
UnknownError: unknown error: unable to locate Chrome binary

The configuration file appears as follows:

exports.config = {
    specs: [
        'test/*.js'
    ],

    capabilities: {
        'browserName': 'chrome'
    },
    seleniumAddress: 'http://127.0.0.1:4444/wd/hub'

};

Tried specifying the binary within the capabilities object and including chromeDriver and seleniumServerJar keys without success. Any suggestions?

javascriptgoogle-chrometestingprotractorend-to-end

Answer №1

As noted in a GitHub issue, the main issue is that chromedriver is unable to locate the chrome browser executable. This problem arises because on different operating systems, chromedriver looks for the executable in varying locations.

You must either have Google Chrome installed where chromedriver expects it to be or indicate the path to the chrome executable using the binary setting:

capabilities: {
    "browserName": "chrome",
    "chromeOptions": {
        binary: "D:/Program Files/Chrome/chrome.exe",
        args: [],
        extensions: [],
    }
},

Answer №2

While using JHipster, I encountered a similar issue with e2e not working. Initially, I specified the binary path but when I ran npm run e2e, the browser opened with only displaying data; in the address bar.

After some trial and error, I rearranged the order and placed the binary at the end of chromeOptions following the args, which resolved the issue.

capabilities: {
        browserName: 'chrome',
        chromeOptions: {
            args: process.env.JHI_E2E_HEADLESS
                ? [ "--headless", "--disable-gpu", "--window-size=800,600" ]
                : [ "--disable-gpu", "--window-size=800,600" ],
            binary: "C:/Program Files (x86)/Google/Chrome/Application/chrome.exe"
        }
    }

Additionally, it was necessary to update the chrome version to resolve an unsupported webdriver version error that occurred during this process.

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