我在 Amazon Elastic MapReduce 上安装了 hadoop,每当我尝试重新启动集群时,都会收到以下错误:
/stop-all.sh
no jobtracker to stop
The authenticity of host 'localhost (::1)' can't be established. RSA key fingerprint is
Are you sure you want to continue connecting (yes/no)? yes
localhost: Warning: Permanently added 'localhost' (RSA) to the list of known hosts.
localhost: Permission denied (publickey).
no namenode to stop
localhost: Permission denied (publickey).
localhost: Permission denied (publickey).
关于如何重新启动hadoop的任何想法?