org.cometd.java cometd-java-project 1.0.0 4.0.0 cometd-java-oort jar CometD :: Java :: Oort org.cometd.java cometd-java-server ${project.version} org.cometd.java cometd-java-client ${project.version} org.eclipse.jetty jetty-servlet ${jetty-version} provided