hadoop启动失败

Question

root@cjw:/opt/hadoop-1.2.1/bin# start-all.sh

Warning: $HADOOP_HOME is deprecated.

starting namenode, logging to /opt/hadoop-1.2.1/libexec/../logs/hadoop-root-namenode-cjw.out

The authenticity of host 'localhost (127.0.0.1)' can't be established.

ECDSA key fingerprint is fa:0f:0c:4b:38:36:af:f6:a3:54:65:d1:1d:36:98:35.

Are you sure you want to continue connecting (yes/no)? y

Please type 'yes' or 'no': yes

localhost: Warning: Permanently added 'localhost' (ECDSA) to the list of known hosts.

root@localhost's password: 

localhost: Permission denied, please try again.

root@localhost's password: 

localhost: Permission denied, please try again.

root@localhost's password: 

localhost: Permission denied (publickey,password).

root@localhost's password: 

localhost: Connection closed by UNKNOWN

我输入了root用户的密码,但是还是错误,不知道为什么!!!!!!!!!!!!!

Answer 1

你没打通啊？