求救:启动集群时 ./start-dfs.sh 出现主机名与namenodes登陆主机不符
[hadoop001@hadoop001 sbin]$ ./start-dfs.sh
17/08/13 20:17:31 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
17/08/13 20:17:42 WARN hdfs.DFSUtil: Namenode for null remains unresolved for ID null. Check your hdfs-site.xml file to ensure namenodes are configured properly.
Starting namenodes on [hadoop1]
hadoop1: ssh: Could not resolve hostname hadoop1: Name or service not known
localhost: starting datanode, logging to /home/hadoop001/Desktop/soft/hadoop-2.6.0-cdh5.7.0/logs/hadoop-hadoop001-datanode-hadoop001.out
加红色的地方不一致,是怎么回事呀???急急急
哪位大侠给解答下,谢谢!