启动Producer报错kafka Failed to send messages after 3 tries
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出错原因排查:
1.没有启动kafka服务
解决办法:在命令行中进入到kafka目录下,输入
bin/kafka-server-start.sh config/server.properties启动kafka服务
2.可能没有配置server.properties文件中advertised.host.name属性
解决办法:配置hosts文件 做zookeeper服务器的映射配置。
advertised.host.name=127.0.0.1
远程连接的话 是根据这个配置来找broker的,默认是localhost ,所以如果不是本机运行的话 应该设置此值 来确保通信畅通
修改完成之后关闭kafka服务并重启kafka服务
bin/kafka-server-stop.sh
bin/kafka-server-start.sh config/server.properties
3.topic被占用
解决办法:更换producer和consumer的topic
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