bugtest3.java

package com.intellica.evam.mmap.test;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.RandomAccessFile;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;

public class BugTEST3 {

	public static void main(String[] args) {

		FileChannel fileChannel = null;
		RandomAccessFile raf = null;

		MappedByteBuffer byteBuffer = null;
		byte[] arr = new byte[1 * 1024 * 1024 * 1024];

		for (int i = 0; i < (1 * 1024 * 1024 * 1024); i++) {
			arr[i] = 1;
		}
		try {

			for (int i = 0; i < 10; i++) {

				if (fileChannel != null) {
					fileChannel.close();
					raf.close();

					File file = new File("testbug." + (i - 1));
					boolean deleted = false;
					if (file.exists())
						deleted = file.delete();

					System.out.println("deleted: " + deleted);

				}

				raf = new RandomAccessFile("testbug." + i, "rw");
				fileChannel = raf.getChannel();

				System.out.println("created file testbug." + i);
				byteBuffer = fileChannel.map(FileChannel.MapMode.READ_WRITE, 0,
						1 * 1024 * 1024 * 1024);

				byteBuffer.put(arr);
			}

			BufferedReader br = new BufferedReader(new InputStreamReader(
					System.in));

			String input;

			while ((input = br.readLine()) != null) {
				if (input.trim().equals("quit")) {
					break;
				}
			}

		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		System.out.println("finished");
	}
}