Hadoop:集群NameNode节点Call From XXXX to XXXX:9000 failed on connection exception

Hadoop:集群NameNode节点Call From XXXX to XXXX:9000 failed on connection exception 问题发现 解决方案 问题发现 启动NameNode节点失败，从后台捞到的log文件 1.在使用阿里云的ECS服务器，在执行sqoop主键导入数据到Hive上，报错Call From XXXX to XXXX:9000 failed on con

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