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java - KafkaSpout 工作示例

转载 作者：塔克拉玛干 更新时间：2023-11-03 02:54:50 25 4
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我最近熟悉了 Apache Kafka，并且有一个生产者-消费者的工作示例。

我的下一步是将 Kafka 与 Spout 和 Bolt 集成，我很难让可用的示例(它们大多是旧的)在本地工作。

我得到了以下工作 storm-b​​ook/examples-ch02-getting_started 的示例，它正在从本地文本文件读取数据。

同一个 repo 有一个 storm-b​​ook/examples-ch04-spouts 的例子 kafka-spout但我无法让它工作。

我也试过下面的例子cep.kafka但出现以下错误- 

5034 [Thread-11-words] INFO  org.apache.curator.framework.imps.CuratorFrameworkImpl - Starting
5047 [Thread-11-words] ERROR backtype.storm.util - Async loop died!
java.lang.NoSuchMethodError: org.apache.zookeeper.ZooKeeper.<init>(Ljava/lang/String;ILorg/apache/zookeeper/Watcher;Z)V
        at org.apache.curator.utils.DefaultZookeeperFactory.newZooKeeper(DefaultZookeeperFactory.java:29) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.framework.imps.CuratorFrameworkImpl$2.newZooKeeper(CuratorFrameworkImpl.java:169) ~[curator-framework-2.4.0.jar:na]
        at org.apache.curator.HandleHolder$1.getZooKeeper(HandleHolder.java:94) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.HandleHolder.getZooKeeper(HandleHolder.java:55) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.ConnectionState.reset(ConnectionState.java:219) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.ConnectionState.start(ConnectionState.java:103) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.CuratorZookeeperClient.start(CuratorZookeeperClient.java:188) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.framework.imps.CuratorFrameworkImpl.start(CuratorFrameworkImpl.java:234) ~[curator-framework-2.4.0.jar:na]
        at storm.kafka.ZkState.<init>(ZkState.java:62) ~[storm-kafka-0.9.2-incubating.jar:0.9.2-incubating]
        at storm.kafka.KafkaSpout.open(KafkaSpout.java:85) ~[storm-kafka-0.9.2-incubating.jar:0.9.2-incubating]
        at backtype.storm.daemon.executor$fn__3371$fn__3386.invoke(executor.clj:522) ~[storm-core-0.9.4.jar:0.9.4]
        at backtype.storm.util$async_loop$fn__460.invoke(util.clj:461) ~[storm-core-0.9.4.jar:0.9.4]
        at clojure.lang.AFn.run(AFn.java:24) [clojure-1.5.1.jar:na]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_05]
5049 [Thread-11-words] ERROR backtype.storm.daemon.executor -
java.lang.NoSuchMethodError: org.apache.zookeeper.ZooKeeper.<init>(Ljava/lang/String;ILorg/apache/zookeeper/Watcher;Z)V
        at org.apache.curator.utils.DefaultZookeeperFactory.newZooKeeper(DefaultZookeeperFactory.java:29) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.framework.imps.CuratorFrameworkImpl$2.newZooKeeper(CuratorFrameworkImpl.java:169) ~[curator-framework-2.4.0.jar:na]
        at org.apache.curator.HandleHolder$1.getZooKeeper(HandleHolder.java:94) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.HandleHolder.getZooKeeper(HandleHolder.java:55) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.ConnectionState.reset(ConnectionState.java:219) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.ConnectionState.start(ConnectionState.java:103) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.CuratorZookeeperClient.start(CuratorZookeeperClient.java:188) ~[curator-client-2.4.0.jar:na]
        at org.apache.curator.framework.imps.CuratorFrameworkImpl.start(CuratorFrameworkImpl.java:234) ~[curator-framework-2.4.0.jar:na]
        at storm.kafka.ZkState.<init>(ZkState.java:62) ~[storm-kafka-0.9.2-incubating.jar:0.9.2-incubating]
        at storm.kafka.KafkaSpout.open(KafkaSpout.java:85) ~[storm-kafka-0.9.2-incubating.jar:0.9.2-incubating]
        at backtype.storm.daemon.executor$fn__3371$fn__3386.invoke(executor.clj:522) ~[storm-core-0.9.4.jar:0.9.4]
        at backtype.storm.util$async_loop$fn__460.invoke(util.clj:461) ~[storm-core-0.9.4.jar:0.9.4]
        at clojure.lang.AFn.run(AFn.java:24) [clojure-1.5.1.jar:na]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_05]
5088 [Thread-11-words] ERROR backtype.storm.util - Halting process: ("Worker died")
java.lang.RuntimeException: ("Worker died")
        at backtype.storm.util$exit_process_BANG_.doInvoke(util.clj:325) [storm-core-0.9.4.jar:0.9.4]
        at clojure.lang.RestFn.invoke(RestFn.java:423) [clojure-1.5.1.jar:na]
        at backtype.storm.daemon.worker$fn__4693$fn__4694.invoke(worker.clj:491) [storm-core-0.9.4.jar:0.9.4]
        at backtype.storm.daemon.executor$mk_executor_data$fn__3272$fn__3273.invoke(executor.clj:240) [storm-core-0.9.4.jar:0.9.4]
        at backtype.storm.util$async_loop$fn__460.invoke(util.clj:473) [storm-core-0.9.4.jar:0.9.4]
        at clojure.lang.AFn.run(AFn.java:24) [clojure-1.5.1.jar:na]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_05]

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