Unable to find Mozilla geckodriver

[kandebonfim]

Thanks for the buildpack!

I'm getting this error on heroku while trying to use selenium with firefox:

Selenium::WebDriver::Error::WebDriverError:  Unable to find Mozilla geckodriver. Please download the server from https://github.com/mozilla/geckodriver/releases and place it somewhere on your PATH. More info at https://developer.mozilla.org/en-US/docs/Mozilla/QA/Marionette/WebDriver.

Here's my init code:

profile = Selenium::WebDriver::Firefox::Profile.new
profile['browser.download.dir'] = download_dir
profile['browser.download.folderList'] = 2
profile['browser.helperApps.neverAsk.saveToDisk'] = 'images/jpeg, application/pdf, application/octet-stream'
profile['browser.acceptInsecureCerts'] = true
profile['pdfjs.disabled'] = true

caps = Selenium::WebDriver::Remote::Capabilities.firefox
caps['acceptInsecureCerts'] = true

driver = Selenium::WebDriver.for :firefox, profile: profile, desired_capabilities: caps

[pyronlaboratory]

Make sure your environment variable are set to the following:

FIREFOX_BIN: /app/vendor/firefox/firefox
GECKODRIVER_PATH: /app/vendor/geckodriver/geckodriver
LD_LIBRARY_PATH: /usr/local/lib:/usr/lib:/lib:/app/vendor
PATH: /usr/local/bin:/usr/bin:/bin:/app/vendor/

This should do the trick.

[kandebonfim]

Hey, @ronnielivingsince1994! Took me a while to see your response here. I really need to get this working...

I've set those environment variables you said and tried again. Now I'm getting:

2019-08-15 23:11:52 WARN Selenium [DEPRECATION] :profile is deprecated. Use Selenium::WebDriver::Firefox::Options#profile= instead.
Selenium::WebDriver::Error::WebDriverError: not a file: "/app/vendor/geckodriver"
        from app/models/registry_order.rb:429:in `anac_sign_up'
        from app/models/registry_order.rb:402:in `anac_process'
        from (irb):2

Thanks in advance for helping me!

[pyronlaboratory]

From your error message, I understand that you're using Ruby probably. I'm more of a Python guy myself. Anyhoo, if you could get me a more detailed error log message, I would be able to investigate more.

Here, Selenium::WebDriver.logger.level = :debug add this to code to enable complete logs.

[pyronlaboratory]

Also could you make sure if you have set the config variables properly, since I see not a file: "/app/vendor/geckodriver" cause this is a directory and geckodriver is within that directory, so the path should be /app/vendor/geckodriver/geckodriver.. Or did you change the location of your driver?

[kandebonfim]

Ok, I managed to pass the Selenium::WebDriver::Error::WebDriverError: not a file: "/app/vendor/geckodriver" error by using:

Selenium::WebDriver::Firefox.driver_path="/app/vendor/geckodriver/geckodriver"
Selenium::WebDriver::Firefox::Binary.path="/app/vendor/firefox/firefox"

I also changed the debug settings as you said:

Selenium::WebDriver.logger.level = :debug

And now I'm getting:

driver = Selenium::WebDriver.for :firefox
2019-08-16 14:00:43 DEBUG Selenium Executing Process ["/app/vendor/geckodriver/geckodriver", "--binary=/app/vendor/firefox/firefox", "--port=4445"]
2019-08-16 14:00:43 DEBUG Selenium polling for socket on ["127.0.0.1", 4445]
1565974843814   geckodriver     INFO    geckodriver 0.19.1
1565974843823   geckodriver     INFO    Listening on 127.0.0.1:4445
2019-08-16 14:00:44 INFO Selenium Skipping handshake as we know it is W3C.
2019-08-16 14:00:44 INFO Selenium -> POST session
2019-08-16 14:00:44 INFO Selenium    >>> http://127.0.0.1:4445/session | {"desiredCapabilities":{"browserName":"firefox","marionette":true,"timeouts":{},"moz:firefoxOptions":{}},"capabilities":{"firstMatch":[{"browserName":"firefox","timeouts":{},"moz:firefoxOptions":{}}]}}
2019-08-16 14:00:44 DEBUG Selenium      > {"Accept"=>"application/json", "Content-Type"=>"application/json; charset=UTF-8", "User-Agent"=>"selenium/3.12.0 (ruby linux)", "Content-Length"=>"201"}
1565974844197   mozrunner::runner       INFO    Running command: "/app/vendor/firefox/firefox" "-marionette" "-profile" "/tmp/rust_mozprofile.FS0xz381h8i5"
Error: GDK_BACKEND does not match available displays
2019-08-16 14:00:44 INFO Selenium <- {"value":{"error":"unknown error","message":"Process unexpectedly closed with status: 1","stacktrace":"stack backtrace:\n   0:           0x4edb3c - backtrace::backtrace::trace::hc4bd56a2f176de7e\n   1:           0x4edb72 - backtrace::capture::Backtrace::new::he3b2a15d39027c46\n   2:           0x440ac8 - webdriver::error::WebDriverError::new::ha0fbd6d1a1131b43\n   3:           0x4487ce - geckodriver::marionette::MarionetteHandler::create_connection::hf0532ddb9e159684\n   4:           0x428570 - <webdriver::server::Dispatcher<T, U>>::run::h2119c674d7b88193\n   5:           0x4029b9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h21d98a9ff86d4c25\n   6:           0x40be65 - std::panicking::try::do_call::h5cff0c9b18cfdbba\n   7:           0x5e6a6c - panic_unwind::__rust_maybe_catch_panic\n                        at /checkout/src/libpanic_unwind/lib.rs:99\n   8:           0x41eb22 - <F as alloc::boxed::FnBox<A>>::call_box::h413eb1d9d9f1c473\n   9:           0x5df13b - alloc::boxed::{{impl}}::call_once<(),()>\n                        at /checkout/src/liballoc/boxed.rs:692\n                         - std::sys_common::thread::start_thread\n                        at /checkout/src/libstd/sys_common/thread.rs:21\n                         - std::sys::imp::thread::{{impl}}::new::thread_start\n                        at /checkout/src/libstd/sys/unix/thread.rs:84"}}
Selenium::WebDriver::Error::UnknownError: Process unexpectedly closed with status: 1

Thanks one more time for the help, internet stranger! ❤️

[kandebonfim]

Wow, finally did it! Here's what I did:

profile = Selenium::WebDriver::Firefox::Profile.new
profile['browser.download.dir'] = download_dir
profile['browser.download.folderList'] = 2
profile['browser.helperApps.neverAsk.saveToDisk'] = 'images/jpeg, application/pdf, application/octet-stream'
profile['browser.acceptInsecureCerts'] = true
profile['pdfjs.disabled'] = true

caps = Selenium::WebDriver::Remote::Capabilities.firefox
caps['acceptInsecureCerts'] = true

options = ::Selenium::WebDriver::Firefox::Options.new
options.args << '--headless'

Selenium::WebDriver::Firefox.driver_path="/app/vendor/geckodriver/geckodriver"
Selenium::WebDriver::Firefox::Binary.path="/app/vendor/firefox/firefox"

# Debug
# Selenium::WebDriver.logger.level = :debug

driver = Selenium::WebDriver.for :firefox, profile: profile, desired_capabilities: caps, options: options
driver.navigate.to "https://www.google.com"
puts driver.title

[kandebonfim]

@ronnielivingsince1994 this really helped me. I'm willing to pay at least a coffee for you man!

Do you want it? 🚀

[pyronlaboratory]

As a matter of fact I have a Ko-fi support page I could surely use a cup tonight!

[kandebonfim]

@ronnielivingsince1994 the link looks broken...

[pyronlaboratory]

Ah, thats my bad. I've updated the link, you can try now if you want.

[kandebonfim]

Nice!