This is a simple demo of an evented-io cometd chatserver using the rumms framework. 

To build and run the demo, you first need to build the dependent libraries. Make sure sbt and scala is installed on your system, then run the following commands in the given order: 

git clone https://github.com/ritschwumm/scutil.git
cd scutil
sbt update publish-local 

git clone https://github.com/ritschwumm/scjson.git
cd scjson 
sbt update publish-local

git clone https://github.com/ritschwumm/rumms.git
cd rumms
sbt update publish-local 

Use the following commands to setup and run the demo: 

git clone git@github.com:mkleen/rumms-demo.git
cd rumms-demo 
sbt update 
sbt jetty

Open http://localhost:8080/index.html in a browser, and try with multiple clients.