java.lang.RuntimeException: java.lang.RuntimeException: org.apache.zookeeper.KeeperException$NoNodeE

最新推荐文章于 2025-05-22 09:52:18 发布

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本文介绍了一种在使用Storm集成Kafka时遇到的错误及其解决办法。主要问题是由于Zookeeper无法找到对应的节点路径导致的NoNodeException异常。通过调整Zookeeper的连接字符串解决了这一问题。

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写了一个storm集成kfaka的程序，kafkaSpout消费的数据作为storm的数据源。运行报错如下：

java.lang.RuntimeException: java.lang.RuntimeException: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /brokers/topics/topic1/partitions

at storm.kafka.DynamicBrokersReader.getBrokerInfo(DynamicBrokersReader.java:81) ~[storm-kafka-0.9.5.jar:0.9.5]
at storm.kafka.trident.ZkBrokerReader.<init>(ZkBrokerReader.java:42) ~[storm-kafka-0.9.5.jar:0.9.5]
at storm.kafka.KafkaUtils.makeBrokerReader(KafkaUtils.java:57) ~[storm-kafka-0.9.5.jar:0.9.5]
at storm.kafka.KafkaSpout.open(KafkaSpout.java:87) ~[storm-kafka-0.9.5.jar:0.9.5]
at backtype.storm.daemon.executor$fn__4249$fn__4264.invoke(executor.clj:522) ~[storm-core-0.9.5.jar:0.9.5]
at backtype.storm.util$async_loop$fn__458.invoke(util.clj:461) ~[storm-core-0.9.5.jar:0.9.5]
at clojure.lang.AFn.run(AFn.java:24) [clojure-1.5.1.jar:na]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_80]
Caused by: java.lang.RuntimeException: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /brokers/topics/topic1/partitions
at storm.kafka.DynamicBrokersReader.getNumPartitions(DynamicBrokersReader.java:94) ~[storm-kafka-0.9.5.jar:0.9.5]
at storm.kafka.DynamicBrokersReader.getBrokerInfo(DynamicBrokersReader.java:65) ~[storm-kafka-0.9.5.jar:0.9.5]

... 7 common frames omitted

解决方法：修改zkHost由master:2181 改为 master:2181/kafka 即可。

BrokerHosts zkHosts = new ZkHosts("master:2181/kafka");
SpoutConfig kafkaConfig = new SpoutConfig(zkHosts, "newtopic", "/kafka", "id1");