[Abnormal] access HDFS permissions anomaly: Permission denied: user = СÎ ÷ ѧÎè, access = WRITE, inode = "/": hadoop: supergroup: drwx

The IDEA project scala access HDFS, the program is running, an exception may occur:

权限问题：Permission denied: user=СÎ÷ѧÎè, access=WRITE, inode="/":hadoop:supergroup:drwxr-xr-x

Modify runtime parameters, because the user files on HDFS belongs is hadoop, so here the user can also change hadoop:

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-DHADOOP_USER_NAME=hadoop：

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