hadoop环境变量配置

Question

本人刚接触hadoop和linux 环境变量的配置出了很大问题 查过很多博客但是一直未配置好
求各位老师指点

Answer 1

export JAVA_HOME=/usr/java/1.7.0_09
export PATH=$PATH:$JAVA_HOME/bin
export HADOOP_HOME=/usr/itcast/hadoop-2.6.1
export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin

Answer 2

itcast，黑马，呵呵

Answer 3

export JAVA_HOME=/home/xyz/java/jdk1.8.0_45export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=$JAVA_HOME/lib:$$JRE_HOME:$CLASSPATH
export PATH=$JAVA_HOME/bin/:$JRE_HOME/bin/:$PATH
export HADOOP_HOME=/home/xyz/hadoop/hadoop-2.7.0
export PATH=$HADOOP_HOME/bin/:$PATH
export PATH=$HADOOP_HOME/sbin/:$PATH:/home/xyz/hive/apache-hive-1.2.1-bin/bin/
export LD_LIBRARY_PATH=$HADOOP_HOME/lib/native/:$LD_LIBRARY_PATH
export JAVA_LIBRARY_PATH=$HADOOP_HOME/lib/native/
export HADOOP_PREFIX=$HADOOP_HOME
export HADOOP_COMMON_LIB_NATIVE_DIR=${HADOOP_PREFIX}/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_PREFIX/lib"
export LD_LIBRARY_PATH=$JAVA_HOME/jre/lib/amd64/server/:$LD_LIBRARY_PATH
export FINDBUGS_HOME=/home/xyz/hadoop/findbugs-3.0.0

Answer 4

export JAVA_HOME=/usr/local/java/jdk1.8.0_51
export HADOOP_HOME=/home/hadoop
export PATH=$PATH:$HADOOP_HOME/sbin:$HADOOP_HOME/bin
export PATH=$PATH:$JAVA_HOME/bin

Answer 5

我的/etc/profile文件是这么配的
# set java environment
export JAVA_HOME=/usr/java/jdk1.8.0_151
export CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin

Answer 6

jdk版本低了会有问题，用jdk1.8试试

Answer 7

这一看就是你的hadoop的java环境配置错了