Infos:
- Used Zammad version: 6.1.0-1698142833.c4a2d029.focal
- Used Zammad installation type: Install from package
- Operating system: Ubuntu 20.04.6 LTS
- Browser + version: Microsoft Edge Version 118.0.2088.76 (Official compilation) (64 bits)
Expected behavior:
- Access the mobile without giving “server connection lost error”
Actual behavior:
- It is generating a lost connection to server error when I use the mobile version. It works, but it keeps generating this red error bar.
Steps to reproduce the behavior:
- Just access the mobile version of Zammad.
I created zammad with ngnix on a machine without an SSL certificate. And I have another machine with an SSL and Apache certificate, I use it to do the reverse proxy. I don’t know how to solve the problem, I’ve tried everything but I can’t find the basis.
When I access the machine that has zammad in the mobile version, the error does not occur. Only when I access the reverse proxy address, but I don’t know how to resolve it.
Zammad.conf (nginx - Machine 1)
#
# this is the nginx config for zammad
#
upstream zammad-railsserver {
server 127.0.0.1:3000;
}
upstream zammad-websocket {
server 127.0.0.1:6042;
}
server {
listen 81;
listen [::]:81;
# replace 'localhost' with your fqdn if you want to use zammad from remote
server_name localhost;
# security - prevent information disclosure about server version
server_tokens off;
root /opt/zammad/public;
access_log /var/log/nginx/zammad.access.log;
error_log /var/log/nginx/zammad.error.log;
client_max_body_size 50M;
location ~ ^/(assets/|robots.txt|humans.txt|favicon.ico|apple-touch-icon.png) {
expires max;
}
# legacy web socket server
location /ws {
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_set_header CLIENT_IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_read_timeout 86400;
proxy_pass http://zammad-websocket;
}
# action cable
location /cable {
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_set_header CLIENT_IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_read_timeout 86400;
proxy_pass http://zammad-railsserver;
}
location / {
proxy_set_header Host $http_host;
proxy_set_header CLIENT_IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
# Change this line in an SSO setup
proxy_set_header X-Forwarded-User "";
proxy_read_timeout 300;
proxy_pass http://zammad-railsserver;
gzip on;
gzip_types text/plain text/xml text/css image/svg+xml application/javascript application/x-javascript application/json application/xml;
gzip_proxied any;
}
}
Apache2 (Machine 2)
<VirtualHost *:443>
ServerName sacmanutencao.lagoasanta.mg.gov.br
SSLEngine on
SSLCertificateFile /etc/ssl/private/2024/star_lagoasanta_mg_gov_br.crt
SSLCertificateKeyFile /etc/ssl/private/2024/private.key
SSLCACertificateFile /etc/ssl/private/2024/DigiCertCA.crt
ProxyRequests Off
ProxyPreserveHost On
<Location />
ProxyPass wss://10.1.7.81:81/
ProxyPassReverse wss://10.1.7.81:81/
ProxyPass http://10.1.7.81:81/
ProxyPassReverse http://10.1.7.81:81/
SetOutputFilter proxy-html
ProxyHTMLURLMap http://sacmanutencao.lagoasanta.mg.gov.br/ https://sacmanutencao.lagoasanta.mg.gov.br/
ProxyHTMLURLMap / https://sacmanutencao.lagoasanta.mg.gov.br/
ProxyHTMLURLMap wss://sacmanutencao.lagoasanta.mg.gov.br/ wss://sacmanutencao.lagoasanta.mg.gov.br/
RequestHeader unset Accept-Encoding
Order allow,deny
Allow from all
</Location>
ErrorLog ${APACHE_LOG_DIR}/sacmanutencao_error.log
CustomLog ${APACHE_LOG_DIR}/sacmanutencao_access.log combined
# Possible values include: debug, info, notice, warn, error, crit, alert, emerg.
# LogLevel debug
</VirtualHost>
Zammad.access.log
10.1.2.240 - - [06/Nov/2023:14:21:54 +0000] "POST /api/v1/message_receive HTTP/1.1" 200 16 "https://sacmanutencao.lagoasanta.mg.gov.br/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36 Edg/118.0.2088.76"
10.1.2.240 - - [06/Nov/2023:14:22:05 +0000] "POST /graphql HTTP/1.1" 200 1091 "https://sacmanutencao.lagoasanta.mg.gov.br/mobile/" "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Mobile Safari/537.36 Edg/118.0.2088.76"
10.1.2.240 - - [06/Nov/2023:14:22:19 +0000] "POST /api/v1/message_receive HTTP/1.1" 200 16 "https://sacmanutencao.lagoasanta.mg.gov.br/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36 Edg/118.0.2088.76"
10.1.2.240 - - [06/Nov/2023:14:22:39 +0000] "GET /cable HTTP/1.1" 404 14 "-" "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Mobile Safari/537.36 Edg/118.0.2088.76"
10.1.2.240 - - [06/Nov/2023:14:22:44 +0000] "POST /api/v1/message_receive HTTP/1.1" 200 16 "https://sacmanutencao.lagoasanta.mg.gov.br/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36 Edg/118.0.2088.76"
Zammad.error.log
2023/11/06 11:53:01 [error] 462594#462594: *995 connect() failed (111: Connection refused) while connecting to upstream, client: 10.1.2.240, server: localhost, request: "GET /api/v1/available?_=1699270096417 HTTP/1.1", upstream: "http://127.0.0.1:3000/api/v1/available?_=1699270096417", host: "sacmanutencao.lagoasanta.mg.gov.br", referrer: "https://sacmanutencao.lagoasanta.mg.gov.br/"
2023/11/06 11:53:01 [error] 462594#462594: *464 connect() failed (111: Connection refused) while connecting to upstream, client: 10.1.2.240, server: localhost, request: "POST /api/v1/message_receive HTTP/1.1", upstream: "http://127.0.0.1:3000/api/v1/message_receive", host: "sacmanutencao.lagoasanta.mg.gov.br", referrer: "https://sacmanutencao.lagoasanta.mg.gov.br/"
2023/11/06 11:53:01 [error] 462594#462594: *464 connect() failed (111: Connection refused) while connecting to upstream, client: 10.1.2.240, server: localhost, request: "POST /api/v1/message_send HTTP/1.1", upstream: "http://127.0.0.1:3000/api/v1/message_send", host: "sacmanutencao.lagoasanta.mg.gov.br", referrer: "https://sacmanutencao.lagoasanta.mg.gov.br/"
2023/11/06 11:53:01 [error] 462594#462594: *1024 connect() failed (111: Connection refused) while connecting to upstream, client: 10.1.2.240, server: localhost, request: "GET /cable HTTP/1.1", upstream: "http://127.0.0.1:3000/cable", host: "sacmanutencao.lagoasanta.mg.gov.br"
2023/11/06 11:53:03 [error] 462594#462594: *464 connect() failed (111: Connection refused) while connecting to upstream, client: 10.1.2.240, server: localhost, request: "GET /api/v1/available?_=1699270096418 HTTP/1.1", upstream: "http://127.0.0.1:3000/api/v1/available?_=1699270096418", host: "sacmanutencao.lagoasanta.mg.gov.br", referrer: "https://sacmanutencao.lagoasanta.mg.gov.br/"
2023/11/06 11:53:05 [error] 462594#462594: *464 connect() failed (111: Connection refused) while connecting to upstream, client: 10.1.2.240, server: localhost, request: "GET /api/v1/available?_=1699270096419 HTTP/1.1", upstream: "http://127.0.0.1:3000/api/v1/available?_=1699270096419", host: "sacmanutencao.lagoasanta.mg.gov.br", referrer: "https://sacmanutencao.lagoasanta.mg.gov.br/"
2023/11/06 11:53:05 [error] 462594#462594: *1028 connect() failed (111: Connection refused) while connecting to upstream, client: 10.1.2.240, server: localhost, request: "POST /graphql HTTP/1.1", upstream: "http://127.0.0.1:3000/graphql", host: "sacmanutencao.lagoasanta.mg.gov.br", referrer: "https://sacmanutencao.lagoasanta.mg.gov.br/mobile/error?redirect=1"
2023/11/06 11:53:08 [error] 462594#462594: *1036 upstream prematurely closed connection while reading response header from upstream, client: 10.1.2.240, server: localhost, request: "GET /ws HTTP/1.1", upstream: "http://127.0.0.1:6042/ws", host: "sacmanutencao.lagoasanta.mg.gov.br"
2023/11/06 13:04:53 [error] 462594#462594: *2125 upstream prematurely closed connection while reading response header from upstream, client: 10.1.2.240, server: localhost, request: "GET /ws HTTP/1.1", upstream: "http://127.0.0.1:6042/ws", host: "sacmanutencao.lagoasanta.mg.gov.br"
Mobile version error:
WebSocket connection to 'wss://sacmanutencao.lagoasanta.mg.gov.br/cable' failed: action_cable.js:197