java删除hdfs文件的例子

来源:互联网 发布:.lol域名注册 编辑:程序博客网 时间:2024/05/01 13:11
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;

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

public class DeleteDirHdfs {

public static void main(String[] args) throws Exception {
try {
String dst = "hdfs://192.168.0.170:9000/test02";
Configuration conf = new Configuration();

//设置ugi,采用程序删除hdfs文件,要设置ugi,避免权限不足

conf.set("hadoop.job.ugi", "zaixing,cug-tbauction,#taobao1234");

FileSystem fs = FileSystem.get(URI.create(dst), conf);
fs.delete(new Path(dst),true);

fs.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally
{
System.out.println("SUCCESS");
}
}
}

原创粉丝点击