centos7在执行定时任务报错

centos7执行定时任务报错，手动执行也执行缓慢，查看日志发现有时候报这个错，有时候可以执行成功

上面不是提示DevToolsActivePort file doesn't exist了，建议先解决一下这个问题
参考这篇文章

selenium调用chrome浏览器报错解决方式：unknown error: DevToolsActivePort file doesn‘t exist_cocos2dGirl的专栏-CSDN博客 具体报错如下：During handling of the above exception, another exception occurred:Traceback (most recent call last): File "/home/project/login_by_user.py", line 175, in open_client driver = webdriver.Chrome(const.driver_path_80, chrome_options=chrome_op https://blog.csdn.net/cocos2dGirl/article/details/116641261