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kafka-demo

A kafka demo.

说明:

  • 启动ZookeeperKafka

    zookeeper-server-start /usr/local/etc/kafka/zookeeper.properties & kafka-server-start /usr/local/etc/kafka/server.properties

    也可以分别启动ZookeeperKafka,因为Kafka依赖于Zookeeper,故先启动Zookeeper

  • 启动中遇到的问题:

    Unable to start kafka with zookeeper (kafka.common.InconsistentClusterIdException)

    解决:

    • 删除Zookeeper及Kafka生成的所有文件,我这边的路径是:/usr/local/var/lib/kafka-logs/usr/local/var/lib/zookeeper。再启动即可。
  • 创建名为test的topic

    kafka-topics --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test
  • 测试接口

    在SpringBoot启动后,在浏览器访问http://127.0.0.1:8080/kafka/send,即可在控制台看到消息输出。

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