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Nginx 升级到 1.8-现在收到 502 bad gateway

tag-icon • tag-icon nginx php-fpm upgrade
Nginx 升级到 1.8-现在收到 502 bad gateway

今天我将本地服务器从 nginx 1.6.3 升级到 1.8.0，现在我所有的本地网站都502错误的网关。

一个标准的 nginx 配置文件如下

server {
    charset utf-8;
    client_max_body_size 128M;

    listen 80; ## listen for ipv4

    server_name  yii2.dive;
    root        /media/Development/www/yii2/web;
    index       index.php;

    access_log  /media/Development/www/yii2/log/access.log combined;
    error_log   /media/Development/www/yii2/log/error.log warn;

    location / {
        try_files $uri $uri/ /index.php?$args;
    }

    location ~ \.php$ {
        include fastcgi.conf;
        #fastcgi_pass   127.0.0.1:9000;
        fastcgi_pass unix:/var/run/php5-fpm.sock;
        include fastcgi_params;
        try_files $uri =404;
    }

    location ~ /\.(ht|svn|git) {
        deny all;
    }
}

我收到的错误消息如下

2015/05/12 14:09:21 [error] 9295#0: *1 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 127.0.0.1, server: yii2.dive, request: "GET / HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm.sock:", host: "yii2.dive"

/var/run/php5-fpm.sock 处的套接字存在，因此那里没有问题。

我发现其他人在同一个升级中遇到了问题但他们的问题与我的不同，并且没有任何错误。

我尝试将这一行添加到/etc/nginx/fastcgi_params但这并不能缓解问题。

fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;

或者有没有办法降级回 1.6.2 或 1.6.3，这样我以后就可以处理这个升级了。我尝试运行

sudo apt-get install nginx=1.6.2-1+trusty0

但出现以下错误

The following packages have unmet dependencies:
 nginx : Depends: nginx-full (< 1.6.2-1+trusty0.1~) but 1.8.0-1+trusty1 is to be installed or
                  nginx-light (< 1.6.2-1+trusty0.1~) but it is not going to be installed or
                  nginx-extras (< 1.6.2-1+trusty0.1~) but it is not going to be installed or
                  nginx-naxsi (< 1.6.2-1+trusty0.1~) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

答案1

这对我有用

代替

include fastcgi_params;
fastcgi_pass unix:/var/run/php5-fpm.sock;

和

include fastcgi.conf;
fastcgi_pass 127.0.0.1:9000;

答案2

使用以下命令删除所有 nginx 数据包：

aptitude purge nginx nginx-full

然后添加官方 nginx deb repos：

deb http://nginx.org/packages/debian/ codename nginx
deb-src http://nginx.org/packages/debian/ codename nginx

wget http://nginx.org/keys/nginx_signing.key
sudo apt-key add nginx_signing.key

最后安装nginx：

apt-get update
apt-get install nginx

https://nginx.org/en/linux_packages.html

现在应该可以正常工作了。如果不行，请查看/var/log/nginx/error.log并修复错误。

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