code: public void removeSession(Session session) {
  		InetSocketAddress remoteSocketAddress = session
  				.getRemoteSocketAddress();
  		log.warn("Remove a session: "
  				+ SystemUtils.getRawAddress(remoteSocketAddress) + ":"
  				+ remoteSocketAddress.getPort());
  		this.sessionList.remove(session);
  	}
docs: /*
  (non-Javadoc)
  
  @see
  com.google.code.hs4j.network.hs.HandlerCOnnector#removeSession(com.google
  .code.hs4j.network.core.Session)