||
执行:
bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test
kafka出现:
Error while fetching metadata with correlation id : {LEADER_NOT_AVAILABLE}
表示无法识别kafka hostname
处理方式:
1、修改server.properties如下,目的是让kafka监听的到
vi /opt/kafka/kafka/config/server.properties
再次启动即可在produce端输入,在消费端看到输出。
2.测试
bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test
bin/kafka-console-consumer.sh --zookeeper localhost:2181 --topic test --from-beginning
以上仅为本地服务器操作可行,远程访问就会报
o.a.kafka.common.network.Selector - Connection with /192.168.176.136 disconnected
java.net.ConnectException: Connection refused: no further information
如果要本地和远程访问都没有问题,解决如下:
(1) ps -ef | grep kafka
kill -9 kafka的pid
(2)ps -ef | grep zookeeper
kill -9 zookeeper的pid
(3)修改/opt/kafka/kafka/config/server.properties
(4)
进行远程telnet测试
telnet IP:9092
测试成功