Testing ShardedJedisPool with try-with-resource

TestShardedJedisWithMultiThreaded.java

import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import redis.clients.jedis.JedisShardInfo;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;
import redis.clients.jedis.exceptions.JedisConnectionException;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class TestShardedJedisWithMultiThreaded {
    private ShardedJedisPool pool;

    public TestShardedJedisWithMultiThreaded() throws URISyntaxException {
        GenericObjectPoolConfig config = new GenericObjectPoolConfig();
        config.setMaxTotal(100);
        config.setTestOnBorrow(true);

        List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>();
        shards.add(new JedisShardInfo(new URI(
                "redis://:foobared@localhost:6380")));
        shards.add(new JedisShardInfo(new URI(
                "redis://:foobared@localhost:6379")));

        pool = new ShardedJedisPool(config, shards);
    }

    public void startTest() throws InterruptedException {
        //ExecutorService es = Executors.newFixedThreadPool(5);
        ExecutorService es = Executors.newFixedThreadPool(20);
        for (int i = 0 ; i < 100 ; i++) {
            es.execute(new Worker(pool));
        }
        es.shutdown();
    }

    class Worker extends Thread {
        private ShardedJedisPool pool;
        public Worker(ShardedJedisPool pool) {
            this.pool = pool;
        }

        @Override
        public void run() {
            try {
                sleep(100);
            } catch (InterruptedException e) {
            }

            System.out.println(this.getName() + " : about to zadd...");
            try (ShardedJedis shJedis = pool.getResource()) {
                shJedis.zadd("Hello", 2, "World");
                System.out.println(this.getName() + " : zadd ok...");
            } catch (JedisConnectionException e) {
                System.out.println(this.getName() + " : fail to get connection...");
            }

        }
    }
}