MapReduce本地测试

https://www.cnblogs.com/z-x-p/p/11527248.html

winutils.exe 这个程序配置到环境变量其他无所谓
3、第二部配置完后，会遇见

https://www.cnblogs.com/z-x-p/p/11527248.html# scala运行异常Could not locate executable null\bin\winutils.exe in the Hadoop binaries https://blog.csdn.net/hr786250678/article/details/89702671
winutils.exe 下载地址https://github.com/sdravida/hadoop2.6_Win_x64/blob/master/bin/winutils.exe
https://blog.csdn.net/xiaobao5214/article/details/84024603
# https://blog.csdn.net/perfer258/article/details/80718556