kafka demo

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demo

 @Test    public void testClient(){        Properties props = new Properties();        props.put("bootstrap.servers", "127.0.0.1:9092");        props.put("group.id", "test");        props.put("enable.auto.commit", "true");        props.put("auto.commit.interval.ms", "1000");        props.put("session.timeout.ms", "30000");        props.put("key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");        props.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");        KafkaConsumer<String, String> consumer = new KafkaConsumer<String, String>(props);        consumer.subscribe(Arrays.asList("topic1"));        while (true) {            ConsumerRecords<String, String> records = consumer.poll(100);            for (ConsumerRecord<String, String> record : records)                System.out.printf("offset = %d, key = %s, value = %s\n", record.offset(), record.key(), record.value());        }    }

pom版本

<dependency>      <groupId>org.apache.kafka</groupId>      <artifactId>kafka-clients</artifactId>      <version>0.9.0.1</version>    </dependency>

服务端安装

http://kafka.apache.org/

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