Hadoop 的sbin/start-dfs.sh 启动 报错

HADOOP  命令sbin/start-dfs.sh  启动 报错

Error: Cannot find configuration directory: /etc/hadoop

JAVA_HME is not set and could not be found

配置 hadoop-env.sh   文件位置为 hadoop-2.7.1/etc/hadoop。文件路径写你自己的jdk 和hadoop路径。

export JAVA_HOME=/usr/jdk1.8.0_221
export HADOOP_CONF_DIR=/usr/hadoop-2.7.1/etc/hadoop/