Call From AS-5/192.168.1.54 to AS-5:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
查看/etc/hosts :ip地址与hostname是否对应
解决方法:
查看本机的hostname查看/etc/hosts :ip地址与hostname是否对应
在hadoop_home/sbin目录下:start-dfs.sh
start-yarn.sh
使用ssh也要免密码登陆自己的机子(切记)