clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the poolpublic static void demo1() { ? ?Jedis jedis = null; ? ?JedisPoolConfig config = new JedisPoolConfig(); ? ?config.setMaxTotal(30); ? ?config.setMaxIdle(10); ? ?JedisPool pool = new JedisPool(config, "192.168.211.128", 6379); ? ?jedis = pool.getResource(); ? ?jedis.set("1", "po"); ? ?String s = jedis.get("1"); ? ?System.out.println(s); ? ?jedis.close();}public static void main(String[] args) { ? ?demo1();}