问题描述
前提：依据配置好了无密码ssh连接，集群之间成功连接。运行hadoopstart-all后出现如下问题：请哪位大侠帮帮忙？这是什么原因啊。谢谢！root@ubuntu:/home/linjin/softwareTools/hadoop-0.20.2/bin#./start-all.shstartingnamenode,loggingto/home/linjin/softwareTools/hadoop-0.20.2/bin/../logs/hadoop-root-namenode-ubuntu.outTheauthenticityofhost'hadoop-datanode1(192.168.1.70)'can'tbeestablished.RSAkeyfingerprintis20:b3:cd:b0:27:58:4d:a1:0b:43:66:4f:32:3c:f9:64.Areyousureyouwanttocontinueconnecting(yes/no)?yeshadoop-datanode1:Warning:Permanentlyadded'hadoop-datanode1'(RSA)tothelistofknownhosts.hadoop-datanode1:startingdatanode,loggingto/home/linjin/softwareTools/hadoop-0.20.2/bin/../logs/hadoop-root-datanode-ubuntu.outTheauthenticityofhost'hadoop-namenode(192.168.1.69)'can'tbeestablished.RSAkeyfingerprintisb7:1d:29:45:fb:92:fa:d8:b6:99:fb:8a:b6:88:c2:28.Areyousureyouwanttocontinueconnecting(yes/no)?yeshadoop-namenode:Warning:Permanentlyadded'hadoop-namenode,192.168.1.69'(RSA)tothelistofknownhosts.root@hadoop-namenode'spassword:root@hadoop-namenode'spassword:hadoop-namenode:Permissiondenied,pleasetryagain.hadoop-namenode:startingsecondarynamenode,loggingto/home/linjin/softwareTools/hadoop-0.20.2/bin/../logs/hadoop-root-secondarynamenode-ubuntu.outstartingjobtracker,loggingto/home/linjin/softwareTools/hadoop-0.20.2/bin/../logs/hadoop-root-jobtracker-ubuntu.outhadoop-datanode1:startingtasktracker,loggingto/home/linjin/softwareTools/hadoop-0.20.2/bin/../logs/hadoop-root-tasktracker-ubuntu.out