使用Crontab @reboot for python脚本时Selenium出现错误
使用Crontab @reboot for python脚本时Selenium出现错误
提问于 2016-12-28 13:32:14
我有一个树莓派，我想在crontab重启时启动几个python脚本。我已经通过从终端调用python name_of_script.py成功地手动运行了每个脚本，但是当我通过crontab运行时，我会看到以下回溯。
Traceback (most recent call last):
File "/home/pi/Desktop/photo_frames/becky/get_urls.py", line 11, in <module>
driver = webdriver.Firefox()
File "/usr/local/lib/python3.4/dist-packages/selenium/webdriver/firefox/webdriver.py", line 150, in __init__
keep_alive=True)
File "/usr/local/lib/python3.4/dist-packages/selenium/webdriver/remote/webdriver.py", line 92, in __init__
self.start_session(desired_capabilities, browser_profile)
File "/usr/local/lib/python3.4/dist-packages/selenium/webdriver/remote/webdriver.py", line 179, in start_session response = self.execute(Command.NEW_SESSION, capabilities)
File "/usr/local/lib/python3.4/dist-packages/selenium/webdriver/remote/webdriver.py", line 236, in execute
self.error_handler.check_response(response)
File "/usr/local/lib/python3.4/dist-packages/selenium/webdriver/remote/errorhandler.py", line 192, in check_response raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: connection refused任何关于诊断的建议都将不胜感激，不幸的是，我的Google-fu在这个错误方面让我失望了。
回答 1
Stack Overflow用户
发布于 2017-03-10 17:54:59
对于Redhat/CentOS/Fedora，安装Xvfb和pyvirtualdisplay
sudo yum install Xvfb
pip install pyvirtualdisplay测试没有异常的Xvfb和pyvirtualdisplay
from pyvirtualdisplay import Display
display = Display(visible=0, size=(1024,768))
display.start()
display.stop()附在您的Selenium代码中
from pyvirtualdisplay import Display
display = Display(visible=0, size=(1024,768))
display.start()
driver = webdriver.Firefox()
driver.get(url)
driver.quit()
display.stop()页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/41355909
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