Jetcd 是 etcd 的简单 Java 客户端开发包。etcd 是 CoreOS 中的高可用 Key/Value 存储和 示例代码： EtcdClient client = new EtcdClient(URI.create("http://127.0.0.1:4001/")); String key = "/watch"; EtcdResult result = this.client.set(key, "hello"); Assert.assertEquals("hello",