| 导读 | 这篇文章主要介绍了Python3+selenium配置常见报错解决方案,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下 |
第一个坑：'geckodriver' executable needs to be in PATH
1.如果启动浏览器过程中报如下错误
Traceback (most recent call last): File "", line 1, in File "D:\test\python3\lib\site-packages\selenium\webdriver\firefox\webdriver.py", line 145, in __init__ self.service.start() File "D:\test\python3\lib\site-packages\selenium\webdriver\common\service.py", line 81, in start os.path.basename(self.path), self.start_error_message) selenium.common.exceptions.WebDriverException: Message: 'geckodriver' executable needs to be in PATH.
2.这个是因为最新的selenium3.0启动firefox需要geckodriver.exe这个驱动文件。
3.下载之后，配置到环境变量path下（可以直接放python根目录）
第二坑：Expected browser binary location, but unable to find binary in default location
1.如果启动浏览器过程中报如下错误：
Traceback (most recent call last): File "", line 1, in File "D:\test\python3\lib\site-packages\selenium\webdriver\firefox\webdriver.py", line 155, in __init__ keep_alive=True) File "D:\test\python3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 92, in __init__ self.start_session(desired_capabilities, browser_profile) File "D:\test\python3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 179, in start_session response = self.execute(Command.NEW_SESSION, capabilities) File "D:\test\python3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 238, in execute self.error_handler.check_response(response) File "D:\test\python3\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 193, in check_response raise exception_class(message, screen, stacktrace) selenium.common.exceptions.WebDriverException: Message: Expected browser binary location, but unable to find binary in default location, no 'moz:firefoxOptions.binary' capability provided, and no binary flag set on the command line.
2.这个是因为firefox.exe这个文件也需要配置到环境变量path下。
3.这个路径就是安装完firefox后，找到firefox.exe这个文件的地址，加到path下。
第三坑：Unsupported Marionette protocol version 2, required 3
1.如果启动浏览器过程中出现如下错误
Traceback (most recent call last): File "", line 1, in File "D:\test\python3\lib\site-packages\selenium\webdriver\firefox\webdriver.py", line 155, in __init__ keep_alive=True) File "D:\test\python3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 92, in __init__ self.start_session(desired_capabilities, browser_profile) File "D:\test\python3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 179, in start_session response = self.execute(Command.NEW_SESSION, capabilities) File "D:\test\python3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 238, in execute self.error_handler.check_response(response) File "D:\test\python3\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 193, in check_response raise exception_class(message, screen, stacktrace) selenium.common.exceptions.WebDriverException: Message: Unsupported Marionette protocol version 2, required 3
2.这个错误原因是firefox版本过低了，最新的selenium3.0版本支持firefox47以上的版本，升级版本就可以了
第四坑：WebDriverException: Message: newSession
1.Traceback (most recent call last):
File “D:\test\python3\lib\site-packages\selenium\webdriver\firefox\\webdriver.py”, line 170, in init keep_alive=True) File “D:\test\python3\lib\site-packages\selenium\webdriver\firefox\\webdriver.py”, line 156, in init self.start_session(capabilities, browser_profile) File “D:\test\python3\lib\site-packages\selenium\webdriver\firefox\\webdriver.py”, line 245, in start_session response = self.execute(Command.NEW_SESSION, parameters) File “D:\test\python3\lib\site-packages\selenium\webdriver\firefox\\webdriver.py”, line 314, in execute self.error_handler.check_response(response) File “D:\test\python3\lib\site-packages\selenium\webdriver\firefox\\errorhandler.py”, line 242, in check_response raise exception_class(message, screen, stacktrace) selenium.common.exceptions.WebDriverException: Message: newSession
2.下载最新的geckodriver.exe 然后把它放到python的安装目录下
以上就是本文的全部内容，希望对大家的学习有所帮助。
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