消费者队列

qzwqbdag  于 2021-06-02  发布在  Hadoop
关注(0)|答案(1)|浏览(281)

我是新来的Zookeeper编程。我正在尝试使用zookeeper实现生成使用者队列。初始化队列时出现异常。在我的zookeeper中,只有根条目是[zookeeper]。
我正在尝试执行给定的代码。http://zookeeper.apache.org/doc/r3.3.3/zookeepertutorial.html#sc_producerconsumerqueues (不在此处粘贴代码以保持帖子整洁)
例外情况:

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
3lxsmp7m

3lxsmp7m1#

当父节点(“/root”)不存在而未创建时,您尝试创建子节点(例如“/root/child”)。检查是否已创建父节点。

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