续订letsencrypt证书失败

我正在使用debain jessie，certbot版本0.9.3-1〜bpo8 + 2。自从最近两天以来，我一直在为我的网站更新证书时发生此错误。续订letsencrypt证书失败

Could not bind TCP port 443 because it is already in use by another process on 
this system (such as a web server). Please stop the program in question and then 
try again. 
------------------------------------------------------------------------------- 
Attempting to renew cert from /etc/letsencrypt/renewal/www.testsite.com.conf produced an unexpected error: object of type 'NoneType' has no len(). Skipping.

我该怎么办？我对Letsencrypt并不熟悉。任何人都请在这个灯上点灯？

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2017-04-17 Rahul

只需停止您的网络服务器并再次运行。如果使用的是使用nginx sudo service nginx stop

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2017-04-24 02:06:32 rrmerugu

我还没有找到一种方式“零宕机”要做到这一点，但你可以自动停止/ nginx的用钩子开始，所以你可以处理的cron更新：

certbot renew --pre-hook "service nginx stop" --post-hook "service nginx start"

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2017-08-06 11:16:09 Matt

续订letsencrypt证书失败

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