con1.subscribe(sk.toXml(), sq.toXml()).getSubscriptionId();
String xpath2 = "//key[starts-with(@oid,'command-radar')]";
sk = new SubscribeKey(glob, xpath2, Constants.XPATH);
sq = new SubscribeQos(glob);
con2.subscribe(sk.toXml(), sq.toXml()).getSubscriptionId();
sk = new SubscribeKey(glob, xpath2, Constants.XPATH);
sq = new SubscribeQos(glob);
con3.subscribe(sk.toXml(), sq.toXml()).getSubscriptionId();
}