Selenium Python启动Chrome指定配置文件失败求助

尝试用以下Python代码打开Chrome指定配置文件，Chrome能启动并加载配置，但程序直接退出，无法打开目标网站，终端报错如下。

代码示例 #

from selenium import webdriver
from selenium.webdriver.chrome.options import Options

#create chromeoptions instance
options = webdriver.ChromeOptions()

#provide location where chrome stores profiles
options.add_argument(r"--user-data-dir=C:\Users\{user name}\AppData\Local\Google\Chrome\User Data")
options.add_argument(r"--profile-directory=Profile 2")
#specify where your chrome driver present in your pc
driver = webdriver.Chrome(options=options)

#provide website url here
driver.get("https://www.google.co.in")

终端报错输出 #

Opening in existing browser session.
Traceback (most recent call last):
  File "C:\Users\path\bot2.py", line 11, in <module>
    driver = webdriver.Chrome(options=options)
  File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\chrome\webdriver.py", line 81, in __init__
    super().__init__(
  File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\chromium\webdriver.py", line 106, in __init__
    super().__init__(
  File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\remote\webdriver.py", line 288, in __init__
    self.start_session(capabilities, browser_profile)
  File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\remote\webdriver.py", line 381, in start_session
    response = self.execute(Command.NEW_SESSION, parameters)
  File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\remote\webdriver.py", line 444, in execute
    self.error_handler.check_response(response)
  File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\remote\errorhandler.py", line 249, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: unknown error: Chrome failed to start: exited normally.
  (unknown error: DevToolsActivePort file doesn't exist)
  (The process started from chrome location C:\Users\user\AppData\Local\Google\Chrome\Application\chrome.exe is no longer running, so ChromeDriver is assuming that Chrome has crashed.)
Stacktrace:
Backtrace:
        (No symbol) [0x00A86643]
        (No symbol) [0x00A1BE21]
        (No symbol) [0x0091DA9D]
        (No symbol) [0x0093F2A7]
        (No symbol) [0x0093A899]
        (No symbol) [0x00976917]
        (No symbol) [0x0097655C]
        (No symbol) [0x0096FB76]
        (No symbol) [0x009449C1]
        (No symbol) [0x00945E5D]
        GetHandleVerifier [0x00CFA142+2497106]
        GetHandleVerifier [0x00D285D3+2686691]
        GetHandleVerifier [0x00D2BB9C+2700460]
        GetHandleVerifier [0x00B33B10+635936]
        (No symbol) [0x00A24A1F]
        (No symbol) [0x00A2A418]
        (No symbol) [0x00A2A505]
        (No symbol) [0x00A3508B]
        BaseThreadInitThunk [0x753800F9+25]
        RtlGetAppContainerNamedObjectPath [0x77507BBE+286]
        RtlGetAppContainerNamedObjectPath [0x77507B8E+238]

解决方法 #

• 关闭所有Chrome进程
  报错中的Opening in existing browser session表明已有Chrome实例在运行，Selenium无法接管现有会话。打开任务管理器，结束所有chrome.exe进程后重新运行脚本。

• 添加必要的Chrome启动参数
  给ChromeOptions补充以下参数，解决端口冲突和启动干扰问题：

  from selenium import webdriver
  
  options = webdriver.ChromeOptions()
  # 指定配置文件路径
  options.add_argument(r"--user-data-dir=C:\Users\{user name}\AppData\Local\Google\Chrome\User Data")
  options.add_argument(r"--profile-directory=Profile 2")
  # 添加关键参数
  options.add_argument("--no-first-run")
  options.add_argument("--no-default-browser-check")
  options.add_argument("--remote-debugging-port=9222")
  
  driver = webdriver.Chrome(options=options)
  driver.get("https://www.google.co.in")
  

• 验证ChromeDriver与Chrome版本匹配
  检查Chrome浏览器版本，下载对应版本的ChromeDriver，版本不匹配会导致启动失败。

• 复制配置文件到独立路径（可选）
  如果上述方法无效，复制一份Chrome用户数据目录到新路径（如C:\Chrome_Profiles\Profile 2），修改--user-data-dir指向该路径，避免与本地正在使用的Chrome实例冲突。

内容的提问来源于stack exchange，提问作者Shaheen