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我正在使用卡夫卡0.10.1.1和風暴1.0.2。在kafka集成的風暴文檔中,我可以看到,使用zookeeper服務器初始化kafka spout時,仍然使用zookeeper維護偏移量。 如何使用kafka服務器引導噴口。是否有任何示例。從使用動物園管理員風暴文檔卡夫卡噴口集成
BrokerHosts hosts = new ZkHosts(zkConnString);
SpoutConfig spoutConfig = new SpoutConfig(hosts, topicName, "/" + topicName, UUID.randomUUID().toString());
spoutConfig.scheme = new SchemeAsMultiScheme(new StringScheme());
KafkaSpout kafkaSpout = new KafkaSpout(spoutConfig);
此選項 實施例工作正常且消耗的消息。但我無法將消費者羣體或風暴節點視爲kafkamanager用戶。
嘗試的替代方法是這樣的。
KafkaSpoutConfig<String, String> kafkaSpoutConfig = newKafkaSpoutConfig();
KafkaSpout<String, String> spout = new KafkaSpout<>(kafkaSpoutConfig);
private static KafkaSpoutConfig<String, String> newKafkaSpoutConfig() {
Map<String, Object> props = new HashMap<>();
props.put(KafkaSpoutConfig.Consumer.BOOTSTRAP_SERVERS, bootstrapServers);
props.put(KafkaSpoutConfig.Consumer.GROUP_ID, GROUP_ID);
props.put(KafkaSpoutConfig.Consumer.KEY_DESERIALIZER,
"org.apache.kafka.common.serialization.StringDeserializer");
props.put(KafkaSpoutConfig.Consumer.VALUE_DESERIALIZER,
"org.apache.kafka.common.serialization.StringDeserializer");
props.put(KafkaSpoutConfig.Consumer.ENABLE_AUTO_COMMIT, "true");
String[] topics = new String[1];
topics[0] = topicName;
KafkaSpoutStreams kafkaSpoutStreams =
new KafkaSpoutStreamsNamedTopics.Builder(new Fields("message"), topics).build();
KafkaSpoutTuplesBuilder<String, String> tuplesBuilder =
new KafkaSpoutTuplesBuilderNamedTopics.Builder<>(new TuplesBuilder(topicName)).build();
KafkaSpoutConfig<String, String> spoutConf =
new KafkaSpoutConfig.Builder<>(props, kafkaSpoutStreams, tuplesBuilder).build();
return spoutConf;
}
但是這個解決方案在從kafka讀取一些消息後顯示CommitFailedException。