Question
Problem: "502 Bad Gateway nginx/1.10.3 (Ubuntu)"
- Posted February 23, 2018
- DigitalOceanUbuntu 16.04
Hi, after the NYC3 Droplet Reboot 2018-02-22 17:00 UTC [Spectre and Meltdown Mitigation] my site is down and I get “502 Bad Gateway nginx/1.10.3 (Ubuntu)”. I found these nginx’s error logs:
2018/02/22 22:35:04 [error] 1571#1571: *448 connect() failed (111: Connection refused) while connecting to upstream, client: 104.131.85.203, server: 45.55.205.197, request: "GET /api371878927a/running.txt HTTP/1.0", upstream: "http://127.0.0.1:2368/api371878927a/running.txt", host: "45.55.205.197"
2018/02/22 22:35:04 [error] 1571#1571: *449 connect() failed (111: Connection refused) while connecting to upstream, client: 104.131.85.203, server: 45.55.205.197, request: "GET /api371878927a/remote_addr.php?hostname=adsp-xv-us-nyc HTTP/1.0", upstream: "http://127.0.0.1:2368/api371878927a/remote_addr.php?hostname=adsp-xv-us-nyc", host: "45.55.205.197"
2018/02/22 22:35:38 [error] 1571#1571: *452 connect() failed (111: Connection refused) while connecting to upstream, client: 66.249.81.62, server: strangerthancinema.it, request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:2368/favicon.ico", host: "strangerthancinema.it"
2018/02/22 22:36:04 [error] 1571#1571: *454 connect() failed (111: Connection refused) while connecting to upstream, client: 104.131.85.203, server: 45.55.205.197, request: "GET /api371878927a/running.txt HTTP/1.0", upstream: "http://127.0.0.1:2368/api371878927a/running.txt", host: "45.55.205.197"
2018/02/22 22:36:20 [error] 1571#1571: *456 connect() failed (111: Connection refused) while connecting to upstream, client: 66.249.81.60, server: strangerthancinema.it, request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:2368/favicon.ico", host: "strangerthancinema.it"
2018/02/22 22:37:04 [error] 1571#1571: *458 connect() failed (111: Connection refused) while connecting to upstream, client: 104.131.85.203, server: 45.55.205.197, request: "GET /api371878927a/running.txt HTTP/1.0", upstream: "http://127.0.0.1:2368/api371878927a/running.txt", host: "45.55.205.197"
2018/02/22 22:38:04 [error] 1571#1571: *462 connect() failed (111: Connection refused) while connecting to upstream, client: 104.131.85.203, server: 45.55.205.197, request: "GET /api371878927a/running.txt HTTP/1.0", upstream: "http://127.0.0.1:2368/api371878927a/running.txt", host: "45.55.205.197"
2018/02/22 22:38:37 [error] 1571#1571: *466 connect() failed (111: Connection refused) while connecting to upstream, client: 66.249.93.94, server: strangerthancinema.it, request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:2368/favicon.ico", host: "strangerthancinema.it"
2018/02/22 22:38:43 [error] 1571#1571: *468 connect() failed (111: Connection refused) while connecting to upstream, client: 151.50.140.189, server: 45.55.205.197, request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:2368/", host: "45.55.205.197"
2018/02/22 22:38:44 [error] 1571#1571: *468 connect() failed (111: Connection refused) while connecting to upstream, client: 151.50.140.189, server: 45.55.205.197, request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:2368/favicon.ico", host: "45.55.205.197", referrer: "http://45.55.205.197/"
2018/02/22 22:39:00 [error] 1571#1571: *474 connect() failed (111: Connection refused) while connecting to upstream, client: 66.249.81.33, server: strangerthancinema.it, request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:2368/favicon.ico", host: "strangerthancinema.it"
2018/02/22 22:39:04 [error] 1571#1571: *476 connect() failed (111: Connection refused) while connecting to upstream, client: 104.131.85.203, server: 45.55.205.197, request: "GET /api371878927a/running.txt HTTP/1.0", upstream: "http://127.0.0.1:2368/api371878927a/running.txt", host: "45.55.205.197"
How do I resolve this problem ? Thanks
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cd /path/to/webrootto change your directory to the webrootls -lawill print out the info you needDepending if you have NGINX running as www-data or nginx as the user:group you may need to update
chown -R www-data:www-data /path/to./webrootEnsure your webroot has the correct ownership and permissions
As well
nginx -twill let you know of any errors in your NGINX configuration file(s) if any are present.Izinkan
Also, try this:
What you are looking for is the proxy_pass http://localhost:${Port}/
Your proxy_pass config is missing the forward slash ( / ) at the end after the port number.
It should look like proxy_pass http://localhost:2368/; not 2368;
hope this helps
If you are still getting the ‘welcome to nginx’ when you got to the URL, try restarting nginx and the hard refreshing your browser.
Try running this command chown -Rf nginx:nginx /var/www. If that doesn’t work, it could have something to do with php-fpm. I would try to make sure that is enabled and on if your website is dependent on php-fpm (example, WordPress)
I created a new /sites-available/default only with your indications. Back to “502 bad gateway”.
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