请问这个错误是什么问题

  • Z时代
  • 2024-02-29
  • 分类：IT

问题是这样的，我启动项目后nginx一直报接口404错误。接口如下

但是我在浏览器中使用访问相关服务是没有问题的

我猜测是nginx代理的错误，查看了错误日志提示如下，我搜了一圈没有找到解决方案，求解

2022/04/26 23:43:47 [error] 31#31: *3 connect() failed (111: Connection refused) while connecting to upstream, client: 172.19.0.1, server: localhost, request: "GET /api/auth/authenticate/verify/getVerificationCode HTTP/1.1", upstream: "http://127.0.0.1:8500/auth/authenticate/verify/getVerificationCode", host: "localhost", referrer: "http://localhost/manager/login?redirect=/home"
2022/04/26 23:43:47 [error] 31#31: *3 connect() failed (111: Connection refused) while connecting to upstream, client: 172.19.0.1, server: localhost, request: "GET /api/auth/authenticate/verify/getVerificationCode HTTP/1.1", upstream: "http://127.0.0.1:8500/auth/authenticate/verify/getVerificationCode", host: "localhost", referrer: "http://localhost/manager/login?redirect=/home"
2022/04/26 23:43:47 [error] 31#31: *3 open() "/etc/nginx/html/50x.html" failed (2: No such file or directory), client: 172.19.0.1, server: localhost, request: "GET /api/auth/authenticate/verify/getVerificationCode HTTP/1.1", upstream: "http://127.0.0.1:8500/auth/authenticate/verify/getVerificationCode", host: "localhost", referrer: "http://localhost/manager/login?redirect=/home"

相关配置如下
nginx配置

worker_processes  1;
events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    client_max_body_size 50M;
    sendfile        on;
    keepalive_timeout  65;
    server {
        listen 80;
        server_name  localhost;
        location /api/ {
           proxy_pass http://localhost:8500;
           rewrite /api/(.*) /$1 break;
           proxy_cookie_path / /api/;
       }
       location /manager {
           alias  /usr/share/nginx/html/manager/;
           try_files $uri $uri/ /manager/index.html;
           index  index.html;
       }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}

docker-compose配置

nginx:
    image: nginx:1.20
    restart: always
    environment:
      - TZ=Asia/Shanghai
    ports:
      - "80:80"
    volumes:
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf
#      - ./nginx/conf.d:/etc/nginx/conf.d
      - ./nginx/html:/usr/share/nginx/html
      - ./nginx/log:/var/log/nginx
    networks:
      net:

目录结构

vue配置

  server: {
    proxy: {
      '/api': {
        target: 'http://localhost:8500',
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api/, '')
      },
    }
  },

回答：

感觉是你vue的服务没有能正常启动起来。

或者说你vue服务监听信息不对。

好像你是用的多个容器来部署，这就涉及到容器间通信问题。A容器的localhost并不等于B容器的localhost，反之也然。如果确实是容器中的通信问题，你nginx中的代理地址不能直接用localhost，而需要写能访问的另外容器的IP，或者主机IP（因为另外容器的端口映射出来了）

回答：

你贴的图里nginx用的是80端口，自己用浏览器访问时8500端口。
所以初步看起来是proxy_path有问题，暂时还没空搭建沙盒复现，可以先试试proxy_path填127.0.0.1或者服务器真实的IP/域名。

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