WEB GUI stop to answer in few minutes after reboot

Technical assistance
1

Hi everybody,

I use zammad for more than two years without problems. Last half year, time to time WEB GUI stop to work and only server reboot helped. Now this interval takes 2-5 minutes. After this time WEB GUI is unaccessible in new browser window and open session browser window stop to refresh tickets and menus.
I checked all daemons: nginx, zammad, zammad-web, zammad-websockets, zammad-worker, elasicsearch are running, ruby listen on 127.0.0.1:3000. BUT at /var/log/nginx/zammad.error.log is lot of lines:
2023/06/22 13:26:25 [error] 575#575: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 172.16.2.236, server: zammad.domain.com, request: “GET / HTTP/1.1”, upstrea
m: “http://127.0.0.1:3000/”, host: “zammad.domain.com”

Can somebody say where should i dig, please? Thank you.

  • Used Zammad version: 5.4.1
  • Used Elasticsearch version: 7.17.9
  • Used Zammad installation type: package
  • Operating system: Debian11
  • Browser + version: Firefox 102.12.ESR, Brave, Opera all in actual Ubuntu versions
2

Connection refused inidicates that your webserver can’t talk to Zammad for whatever reason.
You should be able to spot puma listening to port 3000 (default) by using ss -tulpen| grep 3000.

If that works, please make sure that your database configuration is correct according to our documentation:
https://docs.zammad.org/en/latest/appendix/configure-database-server.html

If that doesn’t help, please have a look into your production.log. Running grep "ERROR" /var/log/zammad/production.log should reveal your issues.

3

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