Hadoop警告信息：WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform.

when键入命令: hadoop fs -ls /

若出现以下警告信息：

Hadoop警告问题：WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where 

 

 解决方案：找到Hadoop配置文件log4j.properties，末尾添加：log4j.logger.org.apache.hadoop.util.NativeCodeLoader=ERROR