public void startSepEventSlave(String subscriptionId, EventListener eventListener) throws Exception {
if (sepConsumer != null) {
throw new IllegalStateException("There is already a SepEventSlave running, stop it first");
}
sepConsumer = new SepConsumer(subscriptionId, System.currentTimeMillis(), eventListener, 1, "localhost",
new ZooKeeperItfAdapter(zk), hadoopConf, new LilyPayloadExtractor());
sepConsumer.start();
}