记录一个在bigdata linux 配置下的一个namenode的问题
错误：
root@parallels-Parallels-Virtual-Platform:~/app/hadoop-2.7.3# hadoop namenode -format DEPRECATED: Use of this script to execute hdfs command is deprecated. Instead use the hdfs command for it. Error: Could not find or load main class org.apache.hadoop.hdfs.server.namenode.NameNode
?解决：
.bashrc
export HADOOP_HOME=/home/hadoop/hadoop-3.2.1
export HADOOP_INSTALL=$HADOOP_HOME
export HADOOP_MAPRED_HOME=$HADOOP_HOME
export HADOOP_COMMON_HOME=$HADOOP_HOME
export HADOOP_HDFS_HOME=$HADOOP_HOME
export YARN_HOME=$HADOOP_HOME
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export PATH=$PATH:$HADOOP_HOME/sbin:$HADOOP_HOME/bin
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib/"
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
hadoop-env.sh
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
export HADOOP_CONF_DIR=${HADOOP_HOME}/etc/hadoop