问题截图
问题描述
Error: Error running query: MetaException(message:Got exception:
java.net.ConnectException Call From hadoop102/192.168.121.102 to hadoop102:9000
failed on connection exception:
java.net.ConnectException: 拒绝连接;
For more details see: http://wiki.apache.org/hadoop/ConnectionRefused) (state=,code=0)
问题原因
Hadoop集群没有启动
解决办法
启动Hadoop集群:详细步骤