Added Debug output to Warning - helping to understand which

TransListener was overwritten.

src/de/tud/kom/p2psim/impl/transport/modular/ModularTransLayer.java

@@ -552,7 +552,7 @@ public class ModularTransLayer implements SimHostComponent, TransportComponent,
 
 		public void setListener(TransProtocol protocol, TransMessageListener listener) {
 			if (transListeners.containsKey(protocol)) {
-				Monitor.log(ModularTransLayer.class, Level.WARN, "Overwriting an existing TransMessageListener for protocol %s.", protocol.toString());
+				Monitor.log(ModularTransLayer.class, Level.WARN, "Overwriting existing TransMessageListener %s with %s for protocol %s.", transListeners.get(protocol).getClass().getSimpleName(), listener.getClass().getSimpleName(), protocol.toString());
 			}
 			transListeners.put(protocol, listener);
 		}