错误信息：
Caused by: java.net.ConnectException: Call From hadoop102/192.168.1.102 to hadoop102:9000 failed on connection exception:
java.net.ConnectException: 拒绝连接; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
原因：未启动hadoop
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版权声明：本文为CSDN博主「笑一笑有什么大不了」的原创文章，遵循CC\
