1. 使用客户端命令连接Zookeeper连接Server 使用命令./zkCli.sh -server 127.0.0.1:2181连接成功后返回如下信息：Connecting to 127.0.0.1:21812018-06-20 00:13:40,884 [myid:] - INFO  [main:Environment@100] - Client environment:zo...

运行之前：启动zookeeper，kafka，redis注意jar兼容：代码：Traffic.zip地图实时路况：可以使用Java代码来当kafka生产者def main(args: Array[String]): Unit = {    val topic = "car_events"    val brokers = "node2:9092,node3:9092,

package storm.starter.chenbo; import backtype.storm.Config;import backtype.storm.LocalCluster;import backtype.storm.StormSubmitter;import backtype.storm.task.ShellBolt;import backtype.stor...

一、配置文件application.ymlspring:kafka:one:bootstrap-servers: IP:PORTconsumer:group-id: YOUR_GROUP_IDenable-auto-commit: truetwo:bootstrap-servers: ...

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failureThe last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failureThe last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from