论坛 › Hadoop › CentOS7安装hadoop 2.6 启动错误 ssh:connent to host xxx port 22:Connection refused

苍天有泪 发表于 2016-12-10 09:56:00

CentOS7安装hadoop 2.6 启动错误 ssh:connent to host xxx port 22:Connection refused

　　CentOS7安装hadoop 2.6 启动发生
　　ssh:connent to host xxx port 22:Connection refused 错误：
　　 
　　如果SSH端口修改过,在hadoop-env.sh末尾加上


export HADOOP_SSH_OPTS="-p 22025"#22025为已修改的SSH端口
　　hadoop-env.sh在hadoop安装目录下的etc目录下。也可以执行find查找:


find / -name hadoop-env.sh
　　 

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