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  • 解决centos7下 selenium报错--unknown error: DevToolsActivePort file doesn't exist

    解决centos7下 selenium报错--unknown error: DevToolsActivePort file doesn't exist

    早上在linux下用selenium启动Chrome时出现问题:
    报错:

    Traceback (most recent call last):
      File "get2.py", line 62, in <module>
        browser = webdriver.Chrome()
      File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/chrome/webdriver.py", line 75, in __init__
        desired_capabilities=desired_capabilities)
      File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 154, in __init__
        self.start_session(desired_capabilities, browser_profile)
      File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 243, in start_session
        response = self.execute(Command.NEW_SESSION, parameters)
      File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 311, in execute
        self.error_handler.check_response(response)
      File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/remote/errorhandler.py", line 237, in check_response
        raise exception_class(message, screen, stacktrace)
    selenium.common.exceptions.WebDriverException: Message: unknown error: Chrome failed to start: exited abnormally
      (unknown error: DevToolsActivePort file doesn't exist)
      (The process started from chrome location /usr/bin/google-chrome is no longer running, so ChromeDriver is assuming that Chrome has crashed.)
      (Driver info: chromedriver=2.43.600233 (523efee95e3d68b8719b3a1c83051aa63aa6b10d),platform=Linux 4.9.0-6-amd64 x86_64)
    

    解决方案:
    加上代码:

    from selenium.webdriver.chrome.options import Options
    chrome_options = Options()
    chrome_options.add_argument('--no-sandbox')
    chrome_options.add_argument('--disable-dev-shm-usage')
    chrome_options.add_argument('--headless')
    browser = webdriver.Chrome(chrome_options=chrome_options)
    

    其中
    “–no-sandbox”参数是让Chrome在root权限下跑
    “–headless”参数是不用打开图形界面
    可以额外加这些参数获得更好体验

    其中
    “–no-sandbox”参数是让Chrome在root权限下跑
    “–headless”参数是不用打开图形界面
    可以额外加这些参数获得更好体验

    chrome_options.add_argument('blink-settings=imagesEnabled=false')
    chrome_options.add_argument('--disable-gpu')
    
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  • 原文地址:https://www.cnblogs.com/wenqiangit/p/11150155.html
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