Sender toReturn = conversationalMap.get(serviceName);
if (toReturn == null) {
try {
String type = (String) properties.get(
"blacktie." + serviceName + ".type");
toReturn = new StompSenderImpl(momManagement, serviceName,
conversational, type, conversationalMap);
conversationalMap.put(serviceName, toReturn);
} catch (ConnectionException e) {
throw e;
} catch (Throwable t) {