hadoop操做出現:9000 failed on connection exception: java.net.ConnectException:拒絕訪問(已解決)

準備查看haddop上的文件,輸入:java hadoop fs -ls / 出現了:node ls: Call From yx/127.0.1.1 to 0.0.0.0:9000 failed on connection exception: java.net.ConnectException: 拒絕鏈接; For more details see: http://wiki.apache.
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