PubSubServer server = startServer(uncaughtExceptionHandler, port, new TopicManagerInstantiator() {
@Override
public TopicManager instantiateTopicManager() throws IOException {
return new AbstractTopicManager(new ServerConfiguration(), Executors.newSingleThreadScheduledExecutor()) {
@Override
protected void realGetOwner(ByteString topic, boolean shouldClaim,
Callback<HedwigSocketAddress> cb, Object ctx) {
throw new RuntimeException("this exception should be uncaught");
}