注册中心错误——无法连接到注册中心

org.I0Itec.zkclient.exception.ZkTimeoutException: Unable to connect to zookeeper server within timeout: 5000         org.I0Itec.zkclient.ZkClient.connect(ZkClient.java:876) org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:98)         org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:92)        org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:80)

         com.alibaba.dubbo.remoting.zookeeper.zkclient.ZkclientZookeeperClient.<init>(ZkclientZookeeperClient.java:26)

1、请检查IP与端口是否填写正确，

2、检查注册中心是否正常启动