Question
connect() failed (111: Connection refused) while connecting to upstream
- Posted on January 10, 2020
- Nginx
Asked by Bartosz Kobylinski
Hi,
I have update my website build on flask by pulling updates from git and I got this:
2020/01/10 20:42:02 [error] 2906#2906: *1 connect() to unix:/home/bartek/config/website.sock failed (111: Connection refused) while connecting to upstream, client: 84.213.215.255, server: bartoszkobylinski.com, request: "GET /favicon.ico HTTP/1.1", upstream: "uwsgi://unix:/home/bartek/config/website.sock:", host: "bartoszkobylinski.com", referrer: "http://bartoszkobylinski.com/"
I haven’t done anything else just pulling repo. I reboot server. I have checked uwsgi settings and nginx but nothing has changed. I have seen many same issue with it where it was to many services going but I have checked with command netstat -plant and I got this:
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 2902/nginx: master
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN 714/systemd-resolve
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 918/sshd
tcp 0 0 142.93.100.171:22 106.52.102.190:50886 ESTABLISHED 3001/sshd: [accepte
tcp 0 0 142.93.100.171:22 84.213.215.255:46096 ESTABLISHED 1756/sshd: bartek [
tcp 0 0 142.93.100.171:22 203.220.101.126:25270 ESTABLISHED 3031/sshd: unknown
tcp 0 0 142.93.100.171:22 218.92.0.202:52288 SYN_RECV -
tcp 0 0 142.93.100.171:22 218.92.0.202:36789 SYN_RECV -
tcp 0 0 142.93.100.171:22 84.213.215.255:46010 ESTABLISHED 1477/sshd: bartek [
tcp 0 0 142.93.100.171:22 218.92.0.202:13016 SYN_RECV -
tcp 0 0 142.93.100.171:22 84.213.215.255:45918 ESTABLISHED 1126/sshd: bartek [
tcp 0 340 142.93.100.171:22 84.213.215.255:47410 ESTABLISHED 2599/sshd: bartek [
tcp6 0 0 :::80 :::* LISTEN 2902/nginx: master
tcp6 0 0 :::22 :::* LISTEN 918/sshd
Actually I have no clue where to start now or how to solve it. Could anyone provide some solutions
Thanks in advance! Bart
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Hello,
It sounds like that your Flesk application is not running. Make sure that you start your application and then it should work as expected.
Besides that what I could suggest is creating a systemd unit file. Creating a systemd unit file will allow Ubuntu’s init system to automatically start uWSGI and serve the Flask application whenever the server boots.
You can take a look at this article her eon how to set that up:
https://www.digitalocean.com/community/tutorials/how-to-serve-flask-applications-with-uswgi-and-nginx-on-ubuntu-18-04#step-4-—-configuring-uwsgi
On another note, here is a link to an answer on how to troubleshoot common Nginx problems:
https://www.digitalocean.com/community/questions/how-to-troubleshoot-common-nginx-issues-on-linux-server
And here is also a quick video demo on how to do that as well:
Hope that this helps! Regards, Bobby