public void keeperException(KeeperException ke) throws KeeperException {
        logger.error(prefix("Received unexpected KeeperException, re-throwing exception"), ke);
        throw ke;
    }
Handles KeeperExceptions in client calls.
<p/>
This may be temporary but for now this gives one place to deal with these.
<p/>
TODO: Currently this method rethrows the exception to let the caller handle
<p/>
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/common/zookeeper/ZooKeeperWatcher.java