使用Intelli idea调试kafka low consumer时,由于broker存储的message有中文, idea中console端是可以正确显示的 然后mvn package打包到服务器上执行,结果中文乱码. 然后在kafka consumer代码中byte转为string时,使用了各种编码 String mes = new String(bytes,"UTF-8"); String mes = new String(bytes,"GBK"); Str
错误信息 19/01/15 19:36:40 WARN consumer.ConsumerConfig: The configuration max.poll.records = 1 was supplied but isn't a known config. 19/01/15 19:36:40 INFO utils.AppInfoParser: Kafka version : 0.9.0-kafka-2.0.2 19/01/15 19:36:40 INFO utils.AppInfoParse
从0.9.0.0开始,下面是消费者的配置. 名称 描述 类型 默认值 bootstrap.servers 消费者初始连接kafka集群时的地址列表.不管这边配置的什么地址,消费者会使用所有的kafka集群服务器.消费者会通过这些地址列表,找到所有的kafka集群机器. list key.deserializer 实现了Deserializer的key的反序列化类 class value.deserializer 实现了Deserializer的value的反序列化类 class fetch.mi
SENDING KEY VALUE MESSAGES WITH THE KAFKA CONSOLE PRODUCER When working with Kafka you might find yourself using the kafka-console-producer (kafka-console-producer.sh). The kafka-console-producer is a program included with Kafka that creates messages