throw new InvalidArgumentException(ex.getMessage());
throw new InvalidArgumentException(ex.getMessage(),ex);
	public synchronized ListeningPoint createListeningPoint(String address,			int port, String transport) throws TransportNotSupportedException,			InvalidArgumentException {		getLogWriter().logDebug(				"createListeningPoint : address = " + address + " port = "						+ port + " transport = " + transport);		if (address == null)			throw new NullPointerException(					"Address for listening point is null!");		if (transport == null)			throw new NullPointerException("null transport");		if (port <= 0)			throw new InvalidArgumentException("bad port");		if (!transport.equalsIgnoreCase("UDP")				&& !transport.equalsIgnoreCase("TLS") // Added by Daniel J.				// Martinez Manzano				// <dani@dif.um.es>				&& !transport.equalsIgnoreCase("TCP"))			throw new TransportNotSupportedException("bad transport "					+ transport);		/** Reusing an old stack instance */		if (!this.isAlive()) {			this.toExit = false;			this.reInitialize();		}		String key = ListeningPointImpl.makeKey(address, port, transport);		ListeningPointImpl lip = (ListeningPointImpl) listeningPoints.get(key);		if (lip != null) {			return lip;		} else {			try {				InetAddress inetAddr = InetAddress.getByName(address);				MessageProcessor messageProcessor = this						.createMessageProcessor(inetAddr, port, transport);				if (this.isLoggingEnabled()) {					this.getLogWriter().logDebug(							"Created Message Processor: " + address									+ " port = " + port + " transport = "									+ transport);				}				lip = new ListeningPointImpl(this, port, transport);				lip.messageProcessor = messageProcessor;				messageProcessor.setListeningPoint(lip);				this.listeningPoints.put(key, lip);				// start processing messages.				messageProcessor.start();				return (ListeningPoint) lip;			} catch (java.io.IOException ex) {				getLogWriter().logError(						"Invalid argument address = " + address + " port = "								+ port + " transport = " + transport);				throw new InvalidArgumentException(ex.getMessage());			}		}	}