if (!canShutdown()) { LOG.debug("ZooKeeper server is not running, so not proceeding to shutdown!"); return;
if (!canShutdown()) { LOG.debug("ZooKeeper server is not running, so not proceeding to shutdown!"); return;
if (zkServer.canShutdown()) { zkServer.shutdown(true);
secureCnxnFactory.join(); if (zkServer.canShutdown()) { zkServer.shutdown(true);