synchronized public void shutdown() throws InterruptedException, KeeperException {
        m_shutdown = true;
        es.shutdown();
        es.awaitTermination(365, TimeUnit.DAYS);
    }
synchronized public void shutdown ( ) throws InterruptedException , KeeperException { m_shutdown = true ; es . shutdown ( ) ; es . awaitTermination ( 365 , TimeUnit . DAYS ) ; }
Deletes the ephemeral node. Make sure that no future watches will fire.

@throws InterruptedException
@throws KeeperException