摘要： on mac os x . recordsome problems I met.1 export JAVA_HOME="$(/usr/libexec/java_home)"2 export HADOOP_HOME=/Users/admin/work/hadoop/hadoop.tar.2.2.0/hadoop-2.2.0/3 export HADOOP_MAPRED_HOME=/Users/admin/work/hadoop/hadoop.tar.2.2.0/hadoop-2.2.0/4 export HADOOP_COMMON_HOME=$HADOOP_HOME5 exp 阅读全文