我正在安装 Hadoop 2.7.3 在我的ubuntu16.0.4系统上。尝试执行时出现以下错误 start-dfs.sh . 我已经检查了所有的配置文件。

node@hellbot:~$ start-dfs.sh
17/01/28 20:46:26 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Starting namenodes on [localhost]
localhost: starting namenode, logging to /usr/local/hadoop/logs/hadoop-node-namenode-hellbot.out
localhost: starting datanode, logging to /usr/local/hadoop/logs/hadoop-node-datanode-hellbot.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /usr/local/hadoop/logs/hadoop-node-secondarynamenode-hellbot.out
17/01/28 20:46:42 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

提前谢谢