2020-01-04 23:27:24,170] WARN Connection to node -1 could not be established. Broker may not be avai

2020-01-04 23:27:24,170] WARN Connection to node -1 could not be established. Broker may not be available. (org.apache.kafka.clients.NetworkClient)
无限输出。。。。。慌得一批。这是怎么了

哈哈。。原来是没有打开kafka服务器

1 #执行脚本打开kafka
2 bin/kafka-server-start.sh config/server.properties
3 #查看进程
4 jps

再去测试

成功