The CometD project is a scalable web messaging bus that uses WebSocket and HTTP AJAX push technology patterns known as "Comet" techniques
'org.cometd.java:cometd-java-websocket-common-server:3.0.9'
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-java-websocket-common-server</artifactId>
<version>3.0.9</version>
</dependency>
<dependency org="org.cometd.java" name="cometd-java-websocket-common-server" rev="3.0.9"/>
"org.cometd.java", "cometd-java-websocket-common-server", "3.0.9"