zookeeper example - client and server

pom.xml

<dependency>
   <groupId>com.101tec</groupId>
   <artifactId>zkclient</artifactId>
   <version>0.10</version>
</dependency>
<dependency>
   <groupId>org.apache.zookeeper</groupId>
   <artifactId>zookeeper</artifactId>
  <version>3.5.3-beta</version>
</dependency>

ZookeeperExample.java

package ru.izebit;

import org.I0Itec.zkclient.ZkClient;
import org.apache.zookeeper.server.NIOServerCnxnFactory;
import org.apache.zookeeper.server.ServerCnxnFactory;
import org.apache.zookeeper.server.ZooKeeperServer;

import java.io.File;
import java.net.InetSocketAddress;

/**
 * @author <a href="izebit@gmail.com">Artem Konovalov</a> <br/>
 * Date: 27/03/2018/.
 */
public class ZookeeperExample {

    public static void main(String[] args) throws Exception {
        ZooKeeperServer server = zookeeper();

        ZkClient client1 = new ZkClient("127.0.0.1:2199");
        ZkClient client2 = new ZkClient("127.0.0.1:2199");
        client1.createEphemeral("/test");
        client2.createEphemeral("/test/example");

        System.out.println("shutdown");
        server.shutdown(true);
        System.exit(0);
    }

    private static ZooKeeperServer zookeeper() throws Exception {
        int clientPort = 2199; // not standard
        int numConnections = 5000;
        int tickTime = 2000;
        String dataDirectory = System.getProperty("java.io.tmpdir");

        File dir = new File(dataDirectory, "zookeeper").getAbsoluteFile();

        ZooKeeperServer server = new ZooKeeperServer(dir, dir, tickTime);
        ServerCnxnFactory factory = new NIOServerCnxnFactory();
        factory.configure(new InetSocketAddress(clientPort), numConnections);

        factory.startup(server);

        return server;
    }
}