unknown error: cannot find Chrome binary

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Jason Fleetwood-Boldt

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Jul 26, 2023, 8:18:49 PM7/26/23

to chromedri...@googlegroups.com

Actually I’m getting this now...

Failure/Error: visit '/'
Selenium::WebDriver::Error::UnknownError:
unknown error: cannot find Chrome binary

I found this SO post but contrary to what it suggests, I do have chrome installed.

I have chromedriver installed via Homebrew

% which chromedriver

/opt/homebrew/bin/chromedriver

have run brew upgrade chromedriver

and also checked in my security setting to see the unknown developer warning pop up. (that does seem to pop up whenever chromedriver changes)

Still, when I run my selenium spec I get

Failure/Error: visit '/'

Selenium::WebDriver::Error::UnknownError:

unknown error: cannot find Chrome binary

# 0 chromedriver 0x0000000101306924 chromedriver + 4303140

# 1 chromedriver 0x00000001012ff050 chromedriver + 4272208

# 2 chromedriver 0x0000000100f33328 chromedriver + 291624

# 3 chromedriver 0x0000000100f5ba7c chromedriver + 457340

# 4 chromedriver 0x0000000100f5affc chromedriver + 454652

# 5 chromedriver 0x0000000100f9a040 chromedriver + 712768

# 6 chromedriver 0x0000000100f9980c chromedriver + 710668

# 7 chromedriver 0x0000000100f648d4 chromedriver + 493780

# 8 chromedriver 0x0000000100f6571c chromedriver + 497436

# 9 chromedriver 0x00000001012c77dc chromedriver + 4044764

# 10 chromedriver 0x00000001012cbd20 chromedriver + 4062496

# 11 chromedriver 0x00000001012d1f40 chromedriver + 4087616

# 12 chromedriver 0x00000001012cc824 chromedriver + 4065316

# 13 chromedriver 0x00000001012a4d1c chromedriver + 3902748

# 14 chromedriver 0x00000001012e8414 chromedriver + 4178964

# 15 chromedriver 0x00000001012e856c chromedriver + 4179308

# 16 chromedriver 0x00000001012f8830 chromedriver + 4245552

# 17 libsystem_pthread.dylib 0x00000001964d3fa8 _pthread_start + 148

# 18 libsystem_pthread.dylib 0x00000001964ceda0 thread_start + 8

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/remote/response.rb:55:in `assert_ok'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/remote/response.rb:34:in `initialize'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/remote/http/common.rb:83:in `new'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/remote/http/common.rb:83:in `create_response'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/remote/http/default.rb:104:in `request'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/remote/http/common.rb:59:in `call'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/remote/bridge.rb:620:in `execute'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/remote/bridge.rb:53:in `create_session'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/common/driver.rb:317:in `block in create_bridge'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/common/driver.rb:316:in `create_bridge'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/common/driver.rb:74:in `initialize'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/chrome/driver.rb:35:in `initialize'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/common/driver.rb:47:in `new'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver/common/driver.rb:47:in `for'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/selenium-webdriver-4.10.0/lib/selenium/webdriver.rb:88:in `for'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/capybara-3.39.2/lib/capybara/selenium/driver.rb:83:in `browser'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/capybara-3.39.2/lib/capybara/selenium/driver.rb:104:in `visit'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/capybara-3.39.2/lib/capybara/session.rb:280:in `visit'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/capybara-3.39.2/lib/capybara/dsl.rb:52:in `call'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/capybara-3.39.2/lib/capybara/dsl.rb:52:in `visit'

# ./spec/features/homepage_spec.rb:7:in `block (2 levels) in <top (required)>'

# /Users/jason/.rvm/gems/ruby-3.0.4/gems/rspec-wait-0.0.9/lib/rspec/wait.rb:46:in `block (2 levels) in <main>'

Finished in 0.39283 seconds (files took 1.37 seconds to load)

1 example, 1 failure

Failed examples:

rspec ./spec/features/homepage_spec.rb:6 # homepage can load

Nick Falco

unread,

Jul 28, 2023, 10:50:12 AM7/28/23

to ChromeDriver Users

I'm getting a similar error:

env/lib/python3.9/site-packages/selenium/webdriver/remote/errorhandler.py:242: in check_response
raise exception_class(message, screen, stacktrace)
E selenium.common.exceptions.WebDriverException: Message: unknown error: cannot find Chrome binary
exception_class = <class 'selenium.common.exceptions.WebDriverException'>
json = <module 'json' from '/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/json/__init__.py'>
message = 'unknown error: cannot find Chrome binary'
response = {'status': 500, 'value': '{"value":{"error":"unknown error","message":"unknown error: cannot find Chrome binary","stac...00018a76426c _pthread_start + 148\\n18 libsystem_pthread.dylib 0x000000018a75f08c thread_start + 8\\n"}}'}
screen = None
self = <selenium.webdriver.remote.errorhandler.ErrorHandler object at 0x11d4db7f0>
stacktrace = None
status = 'unknown error'
value = {'error': 'unknown error', 'message': 'unknown error: cannot find Chrome binary', 'stacktrace': '0 chromedriver ...x000000018a76426c _pthread_start + 148\n18 libsystem_pthread.dylib 0x000000018a75f08c thread_start + 8\n'}
value_json = '{"value":{"error":"unknown error","message":"unknown error: cannot find Chrome binary","stacktrace":"0 chromedriver...000018a76426c _pthread_start + 148\\n18 libsystem_pthread.dylib 0x000000018a75f08c thread_start + 8\\n"}}'

Curious if you've found a solution?

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