Docker selenium自动化 - 执行程序没反应、不执行原因，强制处理之前失败的进程，“... requests waiting for a slot to be free“问题解决

# -*- coding: UTF8 -*-
# 2021.11.16
# 小蓝枣
# docker selenium 自动化

from selenium import webdriver
from time import sleep

driver = webdriver.Remote(
    command_executor='http://127.0.0.1:55006/wd/hub',
    desired_capabilities={'browserName': 'chrome'}
)

try:
    # 登录中国气象网查看北京天气
    driver.get('http://www.weather.com.cn/weather1d/101010100.shtml')
    sleep(3)
    # 读取天气信息
    bj_temperature = driver.find_element_by_xpath('//*[@class="sk mySkyNull"]//*[@class="tem"]/*').text
    bj_wind_direction = driver.find_element_by_xpath('//*[@class="sk mySkyNull"]//*[@class="zs w"]/span').text
    bj_wind_class = driver.find_element_by_xpath('//*[@class="sk mySkyNull"]//*[@class="zs w"]/em').text
    bj_air_quality = driver.find_element_by_xpath('//*[@class="sk mySkyNull"]//*[@class="zs pol"]//a').text

    bj_weather = '''
    城市：北京
    当前温度：%s
    风向：%s
    风力：%s
    空气质量：%s
    '''%(bj_temperature,bj_wind_direction,bj_wind_class,bj_air_quality)

    # 打印抓取的天气信息
    print(bj_weather)
    
    # 保存截图
    driver.get_screenshot_as_file("docker_selenium_run_001.png")
    
# 保证出错后进程正常释放
finally:
    driver.quit()