Question

Exception in thread "main" org.I0Itec.zkclient.exception.ZkNoNodeException: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /otter/canal/destinations/example/cluster
at org.I0Itec.zkclient.exception.ZkException.create(ZkException.java:47)
at org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:1001)
at org.I0Itec.zkclient.ZkClient.getChildren(ZkClient.java:677)
at org.I0Itec.zkclient.ZkClient.getChildren(ZkClient.java:673)
at com.alibaba.otter.canal.client.impl.ClusterNodeAccessStrategy.(ClusterNodeAccessStrategy.java:54)
at com.alibaba.otter.canal.client.CanalConnectors.newClusterConnector(CanalConnectors.java:71)
at com.alibaba.otter.canal.sample.ClusterCanalClientTest.main(ClusterCanalClientTest.java:30)
Caused by: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /otter/canal/destinations/example/cluster
at org.apache.zookeeper.KeeperException.create(KeeperException.java:118)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:2589)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:2617)
at org.I0Itec.zkclient.ZkConnection.getChildren(ZkConnection.java:120)
at org.I0Itec.zkclient.ZkClient$4.call(ZkClient.java:680)
at org.I0Itec.zkclient.ZkClient$4.call(ZkClient.java:677)
at org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:991)
... 5 more

canal-admin 界面上添加的集群跟instance ， 用zk 的方式 client 连接报这个错误