02.Wordcount跑代碼ERROR util.Shell: Failed to locate the winutils binary in the hadoop binary path java

錯誤：ERROR util.Shell: Failed to locate the winutils binary in the hadoop binary path java.io.IOException 出現原因：在windows中沒有配置hadoop環境變量 解決辦法： 第一步：安裝hadoop到windows中 比如安裝：D:\dev\source\hadoop\hadoop-2.7.4

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