client.addListener(callbackHandler, new InvokerLocator(callbackLocatorURI1));
client.addListener(callbackHandler, new InvokerLocator(callbackLocatorURI2));
assertEquals(2, invocationHandler.callbackHandlers.size());
log.info("client added callback handlers");
client.invokeOneway(CALLBACK_TEST);
client.invokeOneway(CALLBACK_TEST);
Thread.sleep(500);
assertEquals(2, callbackHandler.callbackCounter);
Iterator it = invocationHandler.callbackHandlers.iterator();