Vaadin 23.5 LoadBalancer problem loading sw-runtime-resources-precache.js

Flow
1

I have a Vaadin 23.5 app behind a loadbalancer setup with sticky sessions. If I directly connect to one of the tomcat instances it works flawlessly. But when I go through the loadbalancer I get an “sw-runtime-resources-precache.js” failed to load error. There is a message about invalid redirect and “HTTP 302 Found” message. and “The script resource is behind a redirect, which is disallowed.”

The same loadbalancer hosts another Vaadin 14 application without any problems for years.

Where should I go from here?

2

Do you mean you have two Vaadin applications behind the load balancer?
If so, did you set two different session cookie names for the applications?

3

The system engineer reconfigured the load balancer and everyhing works fine now.
Sorry for the trouble.

4

Yes there are two servers with tomcat installed and the same vaadin app deployed on them. There is a load balancer placed in front with one link on the load balancer with sticky session setup.

The reconfiguration of the load balancer solved the problem. I don’t have the details of the reconfiguration yet.