问题描述
您好,我正在使用开源预渲染中间件,因为我将其安装在CentOS 7服务器上,如下所示:
git clone https://github.com/prerender/prerender.git
cd prerender
npm install
我在server.js文件中使用的配置非常简单:
var prerender = require('./lib');
var server = prerender({
chromeLocation: '/usr/bin/google-chrome-stable',chromeFlags: ['--no-sandbox','--headless','--disable-gpu','--remote-debugging-port=9222','--hide-scrollbars','--disable-setuid-
sandbox' ]
});
server.use(prerender.sendPrerenderHeader());
// server.use(prerender.blockResources());
server.use(prerender.removeScriptTags());
server.use(prerender.httpHeaders());
server.use(require('prerender-memory-cache'))
server.start();
我还将prerender-apache中间件与prerender和angular js应用程序一起使用
RequestHeader set X-Prerender-Token "token"
<IfModule mod_proxy_http.c>
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{HTTP_USER_AGENT} Googlebot|Sitemaps|Google-Structured-Data-Testing-Tool|baiduspider|facebookexternalhit|twitterbot|rogerbot|linkedinbot|embedly|quora\ link\ preview|showyoubot|outbrain|pinterest|slackbot|vkShare|W3C_Validator [NC,OR]
RewriteCond %{QUERY_STRING} _escaped_fragment_
RewriteCond %{REQUEST_URI} /(.*)/(.*)/
# Only proxy the request to Prerender if it's a request for HTML
RewriteRule ^(?!.*?(\.js|\.css|\.xml|\.less|\.png|\.jpg|\.jpeg|\.gif|\.pdf|\.doc|\.txt|\.ico|\.rss|\.zip|\.mp3|\.rar|\.exe|\.wmv|\.doc|\.avi|\.ppt|\.mpg|\.mpeg|\.tif|\.wav|\.mov|\.psd|\.ai|\.xls|\.mp4|\.m4a|\.swf|\.dat|\.dmg|\.iso|\.flv|\.m4v|\.torrent|\.ttf|\.woff))(.*) http://some.ip:3000/https://%{HTTP_HOST}/$2 [P,L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{HTTP_USER_AGENT} Googlebot|Sitemaps|Google-Structured-Data-Testing-Tool|baiduspider|facebookexternalhit|twitterbot|rogerbot|linkedinbot|embedly|quora\ link\ preview|showyoubot|outbrain|pinterest|slackbot|vkShare|W3C_Validator [NC,OR]
RewriteCond %{QUERY_STRING} _escaped_fragment_
RewriteCond %{REQUEST_URI} ^/rootDirectory/
# Only proxy the request to Prerender if it's a request for HTML
#RewriteRule ^(.*) http:/some.ip:3000/https://%{HTTP_HOST} [P,L]
</IfModule>
所以首先,我尝试在prerender文件夹中使用以下命令使用forever.js运行它:
forever start server.js
它可以正常工作几个小时,然后出现一个问题,我不知道为什么会发生。开始创建许多chrome会话,并且服务器RAM开始减少,直到服务器停止,我读到该标志:'--no-sandbox导致此问题,我已将其删除,但是启动服务器时又遇到了另一个问题我永远拥有.js:
Starting Prerender
Starting Chrome
Prerender server accepting requests on port 3000
Chrome connection closed... restarting Chrome
Chrome died immediately after restart... stopping Prerender
error: Forever detected script exited with code: 0
我正在使用
node.js v12.14.0
Google Chrome 85.0.4183.102
如果有人可以帮助我,我将不胜感激。
解决方法
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