报错:
ERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation.
解决方法:
vim $HADOOP_HOME/etc/hadoop/hadoop-env.sh
直接在开头添加内容:
export HDFS_NAMENODE_USER=root
export HDFS_DATANODE_USER=root
export HDFS_SECONDARYNAMENODE_USER=root
export YARN_RESOURCEMANAGER_USER=root
export YARN_NODEMANAGER_USER=root