本文介绍了如何在emr上重新启动hadoop集群的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我在Amazon Elastic MapReduce上安装了hadoop安装，每当我尝试重新启动集群时，都会收到以下错误消息：
/stop-all.sh no jobtracker停止主机'localhost（:: 1）'的真实性无法建立。 RSA密钥指纹是您确定要继续连接（是/否）吗？是 localhost：警告：永久性地将'localhost'（RSA）添加到已知主机列表中。 localhost：权限被拒绝（publickey）。 no namenode停止 localhost：权限被拒绝（publickey）。 localhost：权限被拒绝（publickey）。有关如何重新启动hadoop的想法？
我已经用sbin / slaves.sh& amp; amp; sbin替换了ssh命令。 sbin / hadoop-daemon.sh与ssh -i〜/ .ssh / keyname
I have a hadoop installation on the Amazon Elastic MapReduce , whenever I try to restart the cluster I get the following error:
/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).Any idea on how to restart hadoop?
解决方案Following hack worked for me.
I have replaced "ssh" command in sbin/slaves.sh & sbin/hadoop-daemon.sh with "ssh -i ~/.ssh/keyname"
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如何在emr上重新启动hadoop集群
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