Nginx反向代理导致504网关超时 [英] Nginx reverse proxy causing 504 Gateway Timeout

问题描述

我将Nginx用作接收请求的反向代理，然后执行proxy_pass以从端口8001上运行的上游服务器获取实际的Web应用程序.

I am using Nginx as a reverse proxy that takes requests then does a proxy_pass to get the actual web application from the upstream server running on port 8001.

如果我访问mywebsite.com或执行wget，则60秒后会收到504网关超时...但是，如果我加载mywebsite.com:8001，则应用程序将按预期加载！

If I go to mywebsite.com or do a wget, I get a 504 Gateway Timeout after 60 seconds... However, if I load mywebsite.com:8001, the application loads as expected!

所以某些原因阻止了Nginx与上游服务器通信.

So something is preventing Nginx from communicating with the upstream server.

这一切都是在托管公司重置我的东西正在运行的机器之后开始的，在那之前没有任何问题.

All this started after my hosting company reset the machine my stuff was running on, prior to that no issues whatsoever.

这是我的vhosts服务器块:

server {
    listen   80;
    server_name mywebsite.com;

    root /home/user/public_html/mywebsite.com/public;

    access_log /home/user/public_html/mywebsite.com/log/access.log upstreamlog;
    error_log /home/user/public_html/mywebsite.com/log/error.log;

    location / {
        proxy_pass http://xxx.xxx.xxx.xxx:8001;
        proxy_redirect off;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
} 

以及我的Nginx错误日志的输出:

2014/06/27 13:10:58 [error] 31406#0: *1 upstream timed out (110: Connection timed out) while connecting to upstream, client: xxx.xx.xxx.xxx, server: mywebsite.com, request: "GET / HTTP/1.1", upstream: "http://xxx.xxx.xxx.xxx:8001/", host: "mywebsite.com"

推荐答案

可能可以添加几行来增加上游的超时时间.下面的示例将超时设置为300秒:

Probably can add a few more line to increase the timeout period to upstream. The examples below sets the timeout to 300 seconds :

proxy_connect_timeout       300;
proxy_send_timeout          300;
proxy_read_timeout          300;
send_timeout                300;

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