'selenium.common.exceptions.WebDriverException: Message: u'chrome not reachable

匿名 (未验证) 提交于 2019-12-03 00:50:01

问题:

I'm using webdriver to config a router, but when I run script:

from selenium import webdriver self.driver = webdriver.Chrome() 

It opens chrome and no response, and then raise exception:

chrome not reachable.

My computer has two network cards, when I forbbiden one, it works well.
I don't konw why, please help!

回答1:

In pure case "chrome not reachable" means that Chrome binary can be started but debugging port is not reachable.

Debugging port is set by argument: --remote-debugging-port=12582

In my case it happens because some issues with sand-box:

ps afvvx | grep chrome  /opt/google/chrome/chrome --disable-background-networking --disable-client-side-phishing 21026 pts/2    S+     0:00      0    47  6008   100  0.0  |           \_ cat 21027 pts/2    S+     0:00      0    47  6008   100  0.0  |           \_ cat 21029 pts/2    Z+     0:00      0     0     0     0  0.0  |           \_ [chrome-sandbox] <defunct> 

When I run /opt/google/chrome/chrome-sandbox

# /opt/google/chrome/chrome-sandbox  -h The setuid sandbox provides API version 1, but you need 0 Please read [https://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment][1].  close: Bad file descriptor Read on socketpair: Success 

From url above I can't get what I'll to do to fix SUID SandBox, but it can be switched off by Chrome arg --disable-setuid-sandbox(sometimes with --no-sandbox):

import time from selenium import webdriver  from xvfbwrapper import Xvfb  vdisplay = Xvfb() vdisplay.start()  from selenium.webdriver.chrome.options import Options chrome_options = Options() chrome_options.add_argument("--no-sandbox") chrome_options.add_argument("--disable-setuid-sandbox")  driver = webdriver.Chrome('/usr/local/sbin/chromedriver', chrome_options=chrome_options)  # Optional argument, if not specified will search path. driver.get('http://www.google.com/xhtml'); time.sleep(5) # Let the user actually see something! search_box = driver.find_element_by_name('q') search_box.send_keys('ChromeDriver') search_box.submit() time.sleep(5) # Let the user actually see something! driver.quit()  vdisplay.stop() 


回答2:

Another case it's when some package is not installed like dbus-X11:

/opt/google/chrome/google-chrome --no-sandbox --disable-setuid-sandbox --disable-background-networking --disable-client-side-phishing-detection --disable-component-update --disable-default-apps --disable-hang-monitor --disable-prompt-on-repost --disable-sync --disable-web-resources --enable-logging --ignore-certificate-errors --load-extension=/tmp/.com.google.Chrome.a0gQAp/internal --log-level=0 --metrics-recording-only --no-first-run --password-store=basic --remote-debugging-port=12512 --safebrowsing-disable-auto-update --safebrowsing-disable-download-protection --test-type=webdriver --use-mock-keychain --user-data-dir=/tmp/.com.google.Chrome.dgq4j1 data:, [39330:39330:0501/130308:ERROR:browser_main_loop.cc(185)] Running without the SUID sandbox! See https://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment for more information on developing with the sandbox on. Xlib:  extension "RANDR" missing on display ":1070". Xlib:  extension "RANDR" missing on display ":1070". [39330:39330:0501/130308:ERROR:desktop_window_tree_host_x11.cc(830)] Not implemented reached in virtual void views::DesktopWindowTreeHostX11::InitModalType(ui::ModalType)  (google-chrome:39330): GConf-WARNING **: Client failed to connect to the D-BUS daemon: /usr/bin/dbus-launch terminated abnormally without any error message [39330:39353:0501/130308:ERROR:browser_gpu_channel_host_factory.cc(151)] Failed to create channel. 

Just install it with:

apt-get install dbus-X11 


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