Selenium::WebDriver::Error::WebDriverError: Unable to find the chromedriver executable.

I try to move Chrome by writing MacOS-X and Selenium in Ruby, but it doesn't work.The Ruby and Selenium installation went well, but I'm into ChromeDriver installation.
Specifically, use irb to

require "selenium-webdriver"
driver=Selenium::WebDriver.for:Chrome

Even if I do,

Selenium::WebDriver::Error::WebDriverError: Unable to find the chromedriver executable. Please download the server from http://chromedriver.storage.googleapis.com/index.html and place it somewhere on your PATH.More info at http://code.google.com/p/selenium/wiki/ChromeDriver.
    from/Library/Ruby/Gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/chrome/service.rb:20:in `executable_path'
    from/Library/Ruby/Gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/chrome/service.rb:33:in `default_service'
    from/Library/Ruby/Gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/chrome/bridge.rb: 14: in `initialize'
    from/Library/Ruby/Gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/common/driver.rb:37:in `new'
    from/Library/Ruby/Gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/common/driver.rb:37:in `for'
    from/Library/Ruby/Gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver.rb:67:in `for'
    from (irb): 3
    from/usr/bin/irb:12:in `<main>'

I get scolded.

I've looked it up on the Internet, but it doesn't work.
Chromedriver is

/Library/Ruby/Gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/

The .bashrc also describes the path to this directory.

What else is wrong?

ruby macos google-chrome selenium

2022-09-30 20:48

2 Answers

I have never worked with Selenium+Chrome, but I have checked to see if the same problem occurs.
As a result, it worked fine in my environment.

I have created a program to verify the operation, so what are the results of this?

https://github.com/JunichiIto/selenium-chrome-sandbox

 git clone [email protected]: JunichiIto/selenium-chrome-sandbox.git
cd selenium-chrome-sandbox
bundle install
# Loading the chromedriver in the operational verification program
PATH=$PATH:./bin bundle exec ruby./chrome.rb
# Loading the chromedriver present in the PATH of the system
bundle exec ruby./chrome.rb

start
Checking/usr/local/sbin/chromedriver, Exists?=false, executable?=false
Checking/usr/local/bin/chromedriver, Exists?=false, executable?=false
.
.
.
Checking./bin/chromedriver, Exists?=true, executable?=true
FOUND./bin/chromedriver
done

start
Checking/usr/local/sbin/chromedriver, Exists?=false, executable?=false
Checking/usr/local/bin/chromedriver, Exists?=false, executable?=false
.
.
.
Checking/sbin/chromedriver, Exists?=false, executable?=false
NOT FOUND!!
/Users/jit/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/chrome/service.rb:20:in `executable_path': Unable to find the chromedriver executable. Please download the server from http://chromedriver.storage.googleapis.com/index.html and place it somewhere on your PATH. More info at http://code.google.com/p/selenium/wiki/ChromeDriver. (Selenium::WebDriver::Error::WebDriverError)
        from/Users/jit/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/chrome/service.rb:33:in`default_service'
        from/Users/jit/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/chrome/bridge.rb:14:in `initialize'
        from/Users/jit/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/common/driver.rb:37:in`new'
        from/Users/jit/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver/common/driver.rb:37:in`for'
        from/Users/jit/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/selenium-webdriver-2.45.0/lib/selenium/webdriver.rb:67:in`for'
        from./chrome.rb:27:in `<main>'

The find_binary method is a transplant of the logic used by selenium-webdriver.
The find_binary method has the logic of checking all PATH-acquired directories for executables named chromedriver, returning the path when found, and returning nil if not found.

#See https://code.google.com/p/selenium/source/browse/rb/lib/selenium/webdriver/common/platform.rb#138
def find_binary(*binary_names)
  paths = ENV ['PATH'].split(File::PATH_SEPARATOR)

  binary_names.each do | binary_name |
    paths.each do | path |
      exe=File.join(path,binary_name)
      puts "Checking #{exe}, Exists?=#{File.exist?(exe)}, executable?=#{File.executable?(exe)}"
      return if File.executable?(exe)
    end
  end

  nil
end

# See https://code.google.com/p/selenium/source/browse/rb/lib/selenium/webdriver/chrome/service.rb#19
path = find_binary "chromedriver"

2022-09-30 20:48

Check the terminal to see if the chromedriver has a path.
Below is my mac environment.Installing chromedriver on /usr/local/bin

$which chromedriver
/usr/local/bin/chromedriver

$ chromedriver --help
Usage—chromedriver [OPTIONS]

Options
  --port = PORT port to listen on
  --adb-port = PORT adb server port
  --log-path = FILE write server log to file installed of stderr, increases log level to INFO
  -- verbose log verbosely
  --silent log nothing
  -- url-base base URL path prefix for commands, e.g.wd/url
  -- port-server address of server to contact for reserving a port

If it is not installed where the path goes, download it from the following URL in the error message and install it.

http://chromedriver.storage.googleapis.com/index.html

Also, Chrome must be installed in the application folder.

/Applications/Google\Chrome.app/Contents/MacOS/Google\Chrome

2022-09-30 20:48

If you have any answers or tips

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