因为涉及到linux安装(和heroku),所以我是个noob,所以如果这个问题很基本,请大家道歉。用heroku上的chrome驱动运行selenium:`找不到chrome二进制`
我想在Heroku上运行selenium webkit(在ruby中)。我面临一个难题,即我的脚本无法找到Chrome二进制文件。
事实上,我铬本身的工作:
~ $ chromedriver
Starting ChromeDriver 2.22.397932 (282ed7cf89cf0053b6542e0d0f039d4123bbb6ad) on port 9515
Only local connections are allowed.
chromedriver
是,我从/app/vendor/bundle/bin/chromedriver
复制的文件,只是为了更容易了。 chromedriver
文件存在,因为我安装了chromedriver-helper gem。该宝石应该使二进制文件可用于红宝石进程,但没有。
我也尝试明确设置路径,例如Selenium::WebDriver::Chrome.driver_path = 'chromedriver'
在我的红宝石代码中,上述文件位于根类别中。
这一切都完美地在本地(带或不带driver_path
)
可能是什么原因?我从几年前就读过this SO thread,但它似乎已经过时了。任何想法将不胜感激!
错误跟踪:
~ $ ruby bin/run.rb
/app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/remote/response.rb:70:in `assert_ok': unknown error: cannot find Chrome binary (Selenium::WebDriver::Error::UnknownError)
(Driver info: chromedriver=2.22.397932 (282ed7cf89cf0053b6542e0d0f039d4123bbb6ad),platform=Linux 3.13.0-91-generic x86_64)
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/remote/response.rb:34:in `initialize'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/remote/http/common.rb:78:in `new'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/remote/http/common.rb:78:in `create_response'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/remote/http/default.rb:90:in `request'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/remote/http/common.rb:59:in `call'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/remote/bridge.rb:649:in `raw_execute'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/remote/bridge.rb:123:in `create_session'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/remote/bridge.rb:87:in `initialize'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/chrome/bridge.rb:48:in `initialize'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/common/driver.rb:64:in `new'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver/common/driver.rb:64:in `for'
from /app/vendor/bundle/ruby/2.2.0/gems/selenium-webdriver-2.53.4/lib/selenium/webdriver.rb:84:in `for'
from /app/lib/mealpass_orderer.rb:12:in `initialize'
from /app/lib/mealpass_orderer.rb:8:in `new'
from /app/lib/mealpass_orderer.rb:8:in `run'
from bin/run.rb:3:in `<main>'
UPDATE:
我试图与AWS EC2服务器相同(例如推出,克隆混帐回购协议,安装了所有的依赖)。同样的情况也发生在那里。也就是说,能够从终端执行chromedriver,但在运行脚本时看到相同的错误。
你有没有考虑过运行[Poltergeist](https://github.com/teampoltergeist/poltergeist)呢? –
@IlyaVassilevsky不,我还没有试过Poltergeist。我不知道这个错误是否与有“头”的chromedriver有关联 –
链接的SO问题听起来对我来说就像它正是你遇到的问题 –