问题遇到的现象和发生背景
[root@node1 ~]# start-dfs.sh
Starting namenodes on [node1]
Last login: Sun Dec 26 22:18:26 CST 2021 on pts/0
node1: ERROR: Cannot set priority of namenode process 31826
Starting datanodes
Last login: Sun Dec 26 22:18:31 CST 2021 on pts/0
node1: ERROR: Cannot set priority of datanode process 31953
node2: ERROR: Cannot set priority of datanode process 22682
Starting secondary namenodes [node1 ]
Last login: Sun Dec 26 22:18:33 CST 2021 on pts/0
node1: ERROR: Cannot set priority of secondarynamenode process 32118
启动总是报错，node1为主，node2，node3为从。
启动报错node1\node2的jps只有jps
node3的jps
