FAQ Database Discussion Community

Spring-MVC, Cometd : Check who is typing in chat in Comet

I am working on a Spring-MVC application in which I have implemented chat functionality using Cometd. As a feature, I would like to know if there is any way Cometd has support or some way I can show which user is typing. Ofcourse the user information I can retrieve. Here...

What factors should take into consideration when choosing between basic AJAX (like HTTP polling) and reverse AJAX (like Long Polling)? [closed]

I know real-time chatting app definitely needs reverse AJAX.But how about other applications that real-time function is not so important? Say there is a notification function like on Stackoverflow. When people answer your question you get a notification. Probably this is not so important for user to get notified immediately...

Cometd publishes input data Map instead of waiting for Output from server

I am working on a Spring-MVC application which uses Cometd for chatting. The only problem I am facing is when I send a message from client-side, the client is appending that message directly to server-says, instead of waiting for me to call in the backend the publish mechanism and then...