util.NativeCodeLoader: Unable to load native-hadoop library foryour platform... using builtin-java c
警告的处理：
17/11/1620:43:41 WARN util.NativeCodeLoader: Unable to load native-hadoop library foryour platform... using builtin-java classes where applicable
解决版本参考：http://blog.csdn.net/young_kim1/article/details/50324345
简易解决版本：
/usr/soft/hadoop-2.7.1/etc/hadoop/log4j.properties文件的尾部添加
log4j.logger.org.apache.hadoop.util.NativeCodeLoader=ERROR