If you can put some debugging there, that would be really helpful. I will look into it further from our end as well.
As far as the log message about websockets: this concerns the communication mechanism between the server and the browser. Modern browsers support websockets natively and in 11.1 we introduced support for this mechanism (which is the modern way to do server push), but in that version we left it disabled by default so as not to introduce a major change in a minor version bump of our product. It is enabled by default (with an automatic back-off to the original mechanism in 12.0). To turn it on, you have to both set:
Code:
messaging.websocket.enabled: true
Code:
isc.Messaging.useWebSocket: true
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