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ruby-on-rails - 使用 watir 中的 firefox webdrivers 以状态 1 意外关闭进程（ruby on rails）

问题描述

我有 Rails 应用程序

gem 'headless'
gem 'watir'
gem 'webdrivers'
gem 'watir-screenshot-stitch'
gem 'watir-scroll'

我在debian 9上，我已经安装了sudo apt-get install firefox-esr

firefox-esr -v
Mozilla Firefox 52.9.0

我在这里下载最新版本的 geckodrivers https://github.com/mozilla/geckodriver/releases v0.21.0，我把驱动程序放在~/.webdrivers/

但是当我尝试启动浏览器时browser = Watir::Browser.new :firefox, headless:true

我收到了一个即时错误：

Process unexpectedly closed with status 1

response.rb line 69 in assert_ok
response.rb line 32 in initialize
common.rb line 84 in new
common.rb line 84 in create_response
default.rb line 104 in request
common.rb line 62 in call
bridge.rb line 164 in execute
bridge.rb line 97 in create_session
driver.rb line 50 in initialize
driver.rb line 31 in new
driver.rb line 31 in new
driver.rb line 52 in for
webdriver.rb line 86 in for

我尝试清除并重新安装 FF。

我尝试为 geckodrivers 使用 v0.19.1

但没有任何效果，我不知道如何有更多的日志来调试......

编辑：Selenium::WebDriver.logger.level = :debug我得到了：

DEBUG Selenium polling for socket on ["127.0.0.1", 4445]
App 1591 output: 1535219812449  geckodriver INFO    geckodriver 0.21.0
App 1591 output: 1535219812461  geckodriver INFO    Listening on 127.0.0.1:4445 
App 1591 output: 2018-08-25 19:56:52 INFO Selenium Skipping handshake as we know it is W3C. 
App 1591 output: 2018-08-25 19:56:52 INFO Selenium
    -> POST session 
App 1591 output: 2018-08-25 19:56:52 INFO Selenium    >>> http://127.0.0.1:4445/session | {"desiredCapabilities":{"browserName":"firefox","version":"","platform":"ANY","javascriptEnabled":true,"cssSelectorsEnabled":true,"takesScreenshot":true,"nativeEvents":false,"rotatable":false,"moz:firefoxOptions":{"args":["--headless"]}},"capabilities":{"firstMatch":[{"browserName":"firefox","moz:firefoxOptions":{"args":["--headless"]}}]}} App 1591 output: 2018-08-25 19:56:52 DEBUG Selenium      > {"Accept"=>"application/json", "Content-Type"=>"application/json; charset=UTF-8", "User-Agent"=>"selenium/3.14.0 (ruby linux)", "Content-Length"=>"341"} App 1591 output: 1535219812709  mozrunner::runner   INFO    Running command: "/usr/bin/firefox" "-marionette" "--headless" "-foreground" "-no-remote" "-profile" "/tmp/rust_mozprofile.ILvfKH3MZPFj" App 1591 output: Error: GDK_BACKEND does not match available displays App 1591 output: 2018-08-25 19:56:52 INFO Selenium <- {"value":{"error":"unknown error","message":"Process unexpectedly closed with status 1","stacktrace":""}}

标签： ruby-on-railsseleniumselenium-webdriverwebdriverwatir

解决方案

我认为我们还没有为 Firefox 实现 headless。如果你在机器上安装了 xvfb，你可以使用 headless gem。

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