Json 对托管在NGINX服务器上的Node.js express服务器的cURL POST请求返回502错误
我正在尝试向我的一个节点api路由发出POST请求。我有好几条路线,但只有一条可行。我不确定这是否是NGINX或node或某些组合的问题。看起来一切正常,我甚至启用了CORS!节点应用程序位于DigitalOcean水滴上 cURL POST请求:Json 对托管在NGINX服务器上的Node.js express服务器的cURL POST请求返回502错误,json,node.js,rest,curl,nginx,Json,Node.js,Rest,Curl,Nginx,我正在尝试向我的一个节点api路由发出POST请求。我有好几条路线,但只有一条可行。我不确定这是否是NGINX或node或某些组合的问题。看起来一切正常,我甚至启用了CORS!节点应用程序位于DigitalOcean水滴上 cURL POST请求:cURL-H“内容类型:application/json;charset=UTF-8”-i-X POST-d'{“text”:“来自cURL的测试回复”,“_id”:“123”}”https://example.com/api/reply/test“
cURL-H“内容类型:application/json;charset=UTF-8”-i-X POST-d'{“text”:“来自cURL的测试回复”,“_id”:“123”}”https://example.com/api/reply/test“
我的nginx配置:
server {
listen 80;
server_name example.com www.example.com;
root /var/www/example/public;
return 301 https://example.com$request_uri;
}
server {
listen 443 ssl;
server_name example.com www.example.com;
root /var/www/example/public;
ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_prefer_server_ciphers on;
ssl_dhparam /etc/ssl/certs/dhparam.pem;
ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';
ssl_session_timeout 1d;
ssl_stapling on;
ssl_session_cache shared:SSL:50m;
ssl_stapling_verify on;
add_header Strict-Transport-Security max-age=15768000;
add_header Content-Security-Policy-Report-Only "default-src 'self'";
location ~ /.well-know {
allow all;
}
location / {
proxy_pass http://localhost:3210;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;
add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
}
}
my node.js express服务器:
"use strict";
var express = require('express');
var request = require('request');
var url = 'mongodb://localhost:27017/';
var MongoClient = require('mongodb').MongoClient;
var bodyParser = require('body-parser')
var cors = require('cors')
var app = express();
app.set('port', process.env.PORT || 3210);
app.set('host', process.env.HOST || '127.0.0.1');
app.use(bodyParser.json()); // for parsing application/json
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cors())
app.use(express.static('./public'));
app.post('/api/reply/:board', (req,res) => {
MongoClient.connect(`${url}${req.params.board}`, (err, db) => {
if(err) { return console.dir(err) }
var collection = db.collection(req.params.board);
var reply = {'text':req.params.text}
collection.update(
{"_id":ObjectId(req.params._id)},
{$push:reply}
)
});
});
app.post('/api/post/:board', (req, res) => {
MongoClient.connect(`${url}${req.params.board}`, (err, db) => {
if (err) {return console.dir(err);}
console.log(req);
var collection = db.collection(req.params.board);
var post = {'text':req.body.text,'time':timestamp(), 'comments':[]}
collection.insert(post);
res.sendStatus(200);
})
});
app.get('/api/posts/:board', (req,res)=> {
MongoClient.connect(`${url}${req.params.board}`, (err,db) => {
if(err) {return console.dir(err)}
var collection = db.collection(req.params.board)
collection.find().toArray( (err,posts) => {
res.send({...posts})
})
})
});
app.listen(app.get('port'), app.get('host'), () => {
console.log('express listening on port ' + app.get('port'));
});
我对example.com/api/reply/test的cURL POST请求返回:
HTTP/1.1 502 Bad Gateway
Server: nginx/1.4.6 (Ubuntu)
Date: Thu, 30 Mar 2017 03:15:02 GMT
Content-Type: text/html
Content-Length: 181
Connection: keep-alive
<html>
<head><title>502 Bad Gateway</title></head>
<body bgcolor="white">
<center><h1>502 Bad Gateway</h1></center>
<hr><center>nginx/1.4.6 (Ubuntu)</center>
</body>
</html>
HTTP/1.1502坏网关
服务器:nginx/1.4.6(Ubuntu)
日期:2017年3月30日星期四03:15:02 GMT
内容类型:text/html
内容长度:181
连接:保持活力
502坏网关
502坏网关
nginx/1.4.6(Ubuntu)
但是,我的GET请求成功,我的POST请求也成功
为什么nginx拒绝我的其他POST请求???为
/api/reply/test
定义的路由是否会发回任何响应:
app.post('/api/reply/:board', (req, res) => {
MongoClient.connect(`${url}${req.params.board}`, (err, db) => {
if (err) {
return console.dir(err)
}
var collection = db.collection(req.params.board);
var reply = {
'text': req.params.text
}
collection.update({
"_id": ObjectId(req.params._id)
}, {
$push: reply
})
});
});
您可能希望添加
res.sendStatus(200)
就在collection.update()
之后?为/api/reply/test
定义的路由会发回任何响应:
app.post('/api/reply/:board', (req, res) => {
MongoClient.connect(`${url}${req.params.board}`, (err, db) => {
if (err) {
return console.dir(err)
}
var collection = db.collection(req.params.board);
var reply = {
'text': req.params.text
}
collection.update({
"_id": ObjectId(req.params._id)
}, {
$push: reply
})
});
});
您可能希望添加
res.sendStatus(200)
就在collection.update()
?之后,这确实导致了成功的cURL请求!然而,文本无法推送到mongo。。。我会将你的答案标记为正确,因为它确实回答了最初的问题。这确实导致了一个成功的卷曲请求!然而,文本无法推送到mongo。。。我会把你的答案标记为正确,因为它确实回答了最初的问题。