我一直在努力让prerender.io工作一周,我尝试了一切,但没有任何效果。
我有一个节点服务器:
'use strict';
var path = require('path');
var _ = require('lodash');
var express = require('express');
var app = module.exports = express();
var prerender = require('prerender-node')
.set('prerenderToken', 'My Key');
// These search engine bot do not adheres to google's _escaped_fragment_
// proposal, so we use user agent to detect them.
var moreCrawlerUserAgents = [
'Slurp!',
'MSNBot',
'YoudaoBot',
'JikeSpider',
'Sosospider',
'360Spider',
'Sogou web spider',
'Sogou inst spider',
'baiduspider',
'facebookexternalhit',
'twitterbot',
'rogerbot',
'linkedinbot',
'embedly',
'quora link preview',
'showyoubot',
'outbrain',
'pinterest',
'developers.google.com/+/web/snippet',
'slackbot',
'vkShare',
'W3C_Validator',
'redditbot'
];
prerender.set('crawlerUserAgents', _.union(
prerender.crawlerUserAgents, moreCrawlerUserAgents));
app.use(prerender);
var options = {
maxAge: '60d',
setHeaders: function(res, path, stat) {
// Webfonts need to have CORS * set in order to work.
if (path.match(/ttf|woff|woff2|eot|svg/ig)) {
res.set('Access-Control-Allow-Origin', '*');
}
}
};
var dist_path = '/client/dist/';
app.use(express.static(path.join(__dirname, dist_path), options));
app.use(function(req, res) {
res.sendFile(path.join(__dirname + dist_path + '/index.html'));
});
var port = process.env.PORT || 8000;
app.listen(port, '0.0.0.0');
console.log("Listening on port " + port);
它工作正常,直到我将_escaped_fragment_ =作为查询字符串参数传递,然后它抛出这两个错误:
Error: getaddrinfo EMFILE
at Object.exports._errnoException (util.js:746:11)
at errnoException (dns.js:49:15)
at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:94:26)
OR
Error: socket hang up
at createHangUpError (_http_client.js:215:15)
at Socket.socketOnEnd (_http_client.js:300:23)
at Socket.emit (events.js:129:20)
at _stream_readable.js:908:16
at process._tickCallback (node.js:355:11)
我不知道问题是什么,请帮忙!
感谢。