logger.debug("artnet-config: " + connectionString);
// extract IPs from string <IP>,<IP>,.. and add them to list
for (String configString : connectionString.split(",")) {
logger.debug("adding artnet receiver " + configString);
ArtNetNode node = new ArtNetNode();
node.setIPAddress(InetAddress.getByName(configString));
receiverNodes.add(node);
}
// start the artnet server
try {