Hadoop3.1.1:UnsupportedFileSystemException异常

Hadoop3.1.1 报Exception in thread “main” org.apache.hadoop.fs.UnsupportedFileSystemException: No FileSystem for scheme "hdfs"解决

配置环境:

CentOS 7 64位

eclipse-jee-2019-06-R-linux-gtk-x86_64.tar

hadoop-3.1.1

jdk-8u211-linux-x64.tar

	Configuration conf = new Configuration();
	
	FileSystem fs = FileSystem.get(conf);
	
	Path src = new Path("hdfs://namenode:9000/jdk-7u80-linux-x64.tar.gz");
	
	FSDataInputStream in = fs.open(src);
	
	FileOutputStream os = new FileOutputStream("/home/hlmou/download");
	
	IOUtils.copy(in, os);

导入jar包：

share/hadoop/hdfs/hadoop-hdfs-3.1.1.jar

share/hadoop/hdfs/lib/*

share/hadoop/common/hadoop-common-3.1.1.jar

share/hadoop/common/lib/*

报错：

Exception in thread "main" org.apache.hadoop.fs.UnsupportedFileSystemExcep