log.info("Subscribing message xpath='" + xpath + "'...");
try {
// Subscribe for the volatile message
SubscribeKey sk = new SubscribeKey(glob, xpath, Constants.XPATH);
SubscribeQos sq = new SubscribeQos(glob);
this.subscribeReturnQos = con.subscribe(sk.toXml(), sq.toXml());
log.info("Subscribing of '" + xpath + "' done");
return this.subscribeReturnQos.getSubscriptionId();
} catch(XmlBlasterException e) {
log.severe("subscribe() XmlBlasterException: " + e.getMessage());
assertTrue("subscribe - XmlBlasterException: " + e.getMessage(), false);