Bokeh server Websocket connection issue

Hi guys,

I use Bokeh server in my solution, and come across this issue shown below screenshot. It looks like websocket somehow lost. If I like to keep connection alive always, what should I do? thanks a lot

I am also experiencing this problem. I am using dask on a GKE cluster and trying to load the bokeh dashboard. I get a 502 error as well as these websocket errors.