Needs to handle AuthFailed, SaslAuthenticated events

[sijie]

FEATURE REQUEST

1. Please describe the feature you are requesting.

Address TODO item in ZooKeeperWatcherBase:

    // TODO: Needs to handle AuthFailed, SaslAuthenticated events
    switch (event.getState()) {
    case SyncConnected:
        LOG.info("ZooKeeper client is connected now.");
        clientConnectLatch.countDown();
        break;
    case Disconnected:
        LOG.info("ZooKeeper client is disconnected from zookeeper now, but it is OK unless we received EXPIRED event.");
        break;
    case Expired:
        clientConnectLatch = new CountDownLatch(1);
        LOG.error("ZooKeeper client connection to the ZooKeeper server has expired!");
        break;
    default:
        // do nothing
        break;
    }

2. Indicate the importance of this issue to you (blocker, must-have, should-have, nice-to-have). Are you currently using any workarounds to address this issue?

nice-to-have

3. Provide any additional detail on your proposed use case for this feature.

N/A