NullPointerException in VaadinService.requestEnd because the return value of "VaadinRequest.getAttribute(s)" is null · Issue #12099 · vaadin/flow · GitHub
Jetty 9.x Websocket Client hangs during startup on a higher spec VM - ( 32 cores & 64 GB ram) · Issue #8295 · eclipse/jetty.project · GitHub
![WebSocket based chat app in 10 minutes using Spring Boot, Reactor and Vaadin by Matti Tahvonen - YouTube WebSocket based chat app in 10 minutes using Spring Boot, Reactor and Vaadin by Matti Tahvonen - YouTube](https://i.ytimg.com/vi/X06Ie3RTRfg/maxresdefault.jpg)