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python - Selenium 远程 webdriver 错误（连接被拒绝）

问题描述

from selenium import webdriver
import sys
import os
cwd = os.getcwd()
driver= webdriver.Remote(desired_capabilities=webdriver.DesiredCapabilities.CHROME,command_executor='http://127.0.0.1:4444')
driver.get('http://www.google.com')

错误：

urllib.error.URLError: <urlopen error [Errno 61] Connection refused>

这个程序前一阵子可以工作，但现在不行了。这就是为什么我认为这是一个系统错误。(OSX 10.13.4)

标签： pythonpython-3.xmacosselenium

解决方案

确保您已启动Selenium 独立服务器：

java -jar /path/to/selenium-server-standalone-<version>.jar

您应该会看到如下所示的输出：

Jun 06, 2018 6:47:59 PM org.openqa.grid.selenium.GridLauncher main
INFO: Launching a standalone server
18:47:59.720 INFO - Java: Oracle Corporation 24.171-b02
18:47:59.722 INFO - OS: Linux 3.13.0-149-generic amd64
18:47:59.731 INFO - v2.13.0, with Core v2.13.0. Built from revision 14793
18:47:59.889 INFO - RemoteWebDriver instances should connect to: http://127.0.0.1:4444/wd/hub
18:47:59.891 INFO - Version Jetty/5.1.x
18:47:59.892 INFO - Started HttpContext[/selenium-server/driver,/selenium-server/driver]
18:47:59.893 INFO - Started HttpContext[/selenium-server,/selenium-server]
18:47:59.893 INFO - Started HttpContext[/,/]
18:47:59.915 INFO - Started org.openqa.jetty.jetty.servlet.ServletHandler@6c15f918
18:47:59.915 INFO - Started HttpContext[/wd,/wd]
18:47:59.919 INFO - Started SocketListener on 0.0.0.0:4444
18:47:59.919 INFO - Started org.openqa.jetty.jetty.Server@606145c5

请注意，特别是以下行：

RemoteWebDriver instances should connect to: http://127.0.0.1:4444/wd/hub

使用此网址command_executor：

from selenium import webdriver

driver = webdriver.Remote(
    desired_capabilities=webdriver.DesiredCapabilities.CHROME,
    command_executor='http://127.0.0.1:4444/wd/hub')
driver.get('http://www.google.com')

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