我正在尝试在 ubuntu 16.04 上安装 hadoop,但是在启动 hadoop 时它会给我以下错误
localhost: ERROR: Cannot set priority of datanode process 32156.
Starting secondary namenodes [it-OptiPlex-3020]
2017-09-18 21:13:48,343 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Starting resourcemanager
Starting nodemanagers
请有人告诉我为什么会收到此错误?提前致谢。