upgrade.runUpgrade();
ZooKeeperServer zks = new ZooKeeperServer(upgradeDir, upgradeDir, 3000);
SyncRequestProcessor.setSnapCount(1000);
final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
f.startup(zks);
LOG.info("starting up the zookeeper server .. waiting");
Assert.assertTrue("waiting for server being up",
ClientBase.waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
ZooKeeper zk = new ZooKeeper(HOSTPORT, CONNECTION_TIMEOUT, this);
Stat stat = zk.exists("/", false);