格式化HDFS出现java.io.IOException: Cannot create directory /opt/hdfs/name/current错误

格式化HDFS出现java.io.IOException: Cannot create directory /opt/hdfs/name/current错误
格式化HDFS时出现如上错误，解决的方法是为当前正在使用的用户增加相应的文件夹权限：
```
注：我将hadoop安装在/opt目录下；当前使用的用户名为bruce
chown -R bruce /opt
```
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原文地址：https://www.cnblogs.com/ReturnOfTheKing/p/13542934.html