java - Zookeeper中的生产者消费者队列

Question

我是Zookeeper编程的新手。我正在尝试使用zookeeper实现生产消费者队列。初始化队列时出现异常。在我的zookeeper中，只有[rootkeeper]根目录条目。

我正在尝试执行给出的代码。
http://zookeeper.apache.org/doc/r3.3.3/zookeeperTutorial.html#sc_producerConsumerQueues(此处未粘贴代码以保持帖子干净)

异常(exception):

org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /app1
at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
at Queue.<init>(Queue.java:27)
at Queue.main(Queue.java:90)

Can any one advice me on  this?


Thanks

Answer 1

当父节点(“/ root”)不存在(未创建)时，您尝试创建子节点(例如“/ root / child”)。检查是否创建了父节点。