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I have built custom modules in Odoo 16 community edition. 
Recently I noticed an error when I checked my log files. When I run my logs this error appears all the time: 

ERROR Production odoo.addons.bus.websocket: 400 Bad Request: Empty or missing header(s): upgrade

It doesn't disrupt any of the running processes and doesn't break any of my modules. I can't seem to find an origin for it. 

I'm trying to figure out where it's coming from and if anybody dealt with similar one before.

Thank you.

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Best Answer

You need to add in your nginx config :




upstream odoo {
    server 127.0.0.1:8070;
}

upstream odoochat {
    server 127.0.0.1:8072 weight=1 fail_timeout=0;
}

location /websocket {
...
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_pass http://odoochat;
...
location / {
    proxy_redirect off;    
    proxy_pass http://odoo;
}




And in your odoo.conf :
proxy_mode = True
xmlrpc_port = 8070
xmlrpc_interface = 127.0.0.1
gevent_port = 8072 (default in odoo16)
workers = 2 or more
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Author

I've tried something like this. That's what my nginx.conf looks like now:
location /websocket {
proxy_read_timeout 600s;
proxy_pass http://127.0.0.1:8069;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host $host;
proxy_pass http://odoochat;

But unfortunately the error is still there.

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