java 开发,测试 hdfs 时报错: java.io.IOException: HADOOP_HOME or hadoop.home.dir are not set
2017-02-17 21:49
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解决方案:
(1)解压缩hadoop2.6.1.tar.gz文件,并且替换其中的lib和bin目录
(2)本地window系统添加HADOOP_HOME环境变量,指向f:/hadoop/hadoop2.6.1
(3)使用如下代码测试是否可以获取到HADOOP_HOME变量
public class TestGetEnv {
public static void main(String[] args) {
System.out.println(System.getenv("HADOOP_HOME"));
}
}
(4)如果不可以重启系统
(1)解压缩hadoop2.6.1.tar.gz文件,并且替换其中的lib和bin目录
(2)本地window系统添加HADOOP_HOME环境变量,指向f:/hadoop/hadoop2.6.1
(3)使用如下代码测试是否可以获取到HADOOP_HOME变量
public class TestGetEnv {
public static void main(String[] args) {
System.out.println(System.getenv("HADOOP_HOME"));
}
}
(4)如果不可以重启系统
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