Continuous calling of vaadinServlet/PUSH url

Hi,

I had checked URLs getting call frequently and found that it is related to a long-poll connection being closed when the proxy intercepts the connection. Based on the traffic pattern observed
URL list that matches only the following URL:

vaadinServlet/PUSH

Query is why this URL pattern is getting called frequently if it is related to any further process completion . Can we refer to any documentation.

Hi,

/vaadinServlet/PUSH is taking 1 minutes sometime any specific reason why this request is taking time since this gets call frequently

url query:
v-uiId=0&v-pushId=3a996a38-31e2-4629-b2ae-6ed06d1bf030&X-Atmosphere-tracking-id=0694f2b6-a8db-4501-b800-89747dcb0506&X-Atmosphere-Framework=2.3.2.vaadin2-javascript&X-Atmosphere-Transport=long-polling&X-Atmosphere-TrackMessageSize=true&Content-Type=application%2Fjson%3B%20charset%3DUTF-8&X-atmo-protocol=true&_=1767766381627