上传本地文件到hdfs

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.util.Progressable;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;

/**
 * Created by CaoSen on 2016-12-19.
 */
public class TestLocalHdfsjava {
    public static void main(String[] args)throws Exception{
        String localSrc = "C:\\Users\\CaoSen\\Desktop\\tt.scala";
        String dst = "hdfs://192.168.42.139:9000/tt.scala";
        InputStream in = new BufferedInputStream(new FileInputStream(localSrc));
        Configuration conf = new Configuration();
        FileSystem fs = FileSystem.get(URI.create(dst), conf);
        OutputStream out = fs.create(new Path(dst), new Progressable() {
            public void progress() {
                System.out.print(".");
            }
        });
        IOUtils.copyBytes(in, out, 4096, true);
        out.flush();
        out.close();
        fs.close();
    }
}