报错内容如下：
Exception in thread “main” org.apache.hadoop.fs.UnsupportedFileSystemException: No FileSystem for scheme “hdfs”
at org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:3332)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3352)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:124)
at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3403)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3371)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:477)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:226)
原因在于依赖的jar包的问题，需要把/home/hadoop/share/hadoop/hdfs/ 下面这些包全部引入
只有爱才能经得起漫长的岁月。
[En]
Only love can withstand the long years.
Original: https://blog.51cto.com/u_15724848/5497941
Author: 芊芊KIRA
Title: Hadoop 3.1.2报错：xception in thread
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