Current Jetty version breaks SockJS

9.4.20 is broken, update to 9.4.21 when available. This affects the comment service.

https://github.com/eclipse/jetty.project/issues/4020

added bug regression labels

@tksl38 @lmas60

Added a commit (f5b50332) on branch fixed-dependencies that uses the old version which currently works

https://github.com/eclipse/jetty.project/pull/4026

mentioned in commit 8f0c493b

closed via commit 8f0c493b