openSUSE Leap环境下练习Hadoop。
etc/hadoop/hadoop-env.sh配置如下：
# The java implementation to use.
export JAVA_HOME=/usr/lib64/java-1_7_0-openjdk-plugin运行语句却提示找不到相关目录
dongxi@linux-ajcw:~/Public> /opt/hadoop-2.7.2/bin/hadoop jar /opt/hadoop-2.7.2/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.2.jar grep ./input/ output 'dfs[a-z]+'
/opt/hadoop-2.7.2/bin/hadoop: line 166: /usr/lib64/java-1_7_0-openjdk-plugin/bin/java: No such file or directory
dongxi@linux-ajcw:~/Public> ls /usr/lib64/java-1_7_0-openjdk-plugin/
bin lib share修改环境配置文件如下成功运行命令：
# The java implementation to use.
export JAVA_HOME=/usr/lib64/jvm/java-1.7.0-openjdk/jre