Ordinary channel close

gistfile1.java

public class SimpleChannelClose_AsynchronousCloseException {

	private static final String FILE_NAME = "E:/temp/afile.out";
	private static AsynchronousFileChannel outputfile;
	private static AtomicInteger fileindex = new AtomicInteger(0);
	private static ThreadPoolExecutor pool = new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS,
			new LinkedBlockingQueue<Runnable>());

	public static void main(String[] args) throws InterruptedException, IOException, ExecutionException {
		outputfile = AsynchronousFileChannel.open(
				Paths.get(FILE_NAME),
				new HashSet<StandardOpenOption>(Arrays.asList(StandardOpenOption.WRITE, StandardOpenOption.CREATE,
						StandardOpenOption.DELETE_ON_CLOSE)), pool);
		List<Future<Integer>> futures = new ArrayList<>();
		for (int i = 0; i < 10000; i++) {
			futures.add(outputfile.write(ByteBuffer.wrap("Hello".getBytes()), fileindex.getAndIncrement() * 5));
		}
		outputfile.close();
		pool.shutdown();
		pool.awaitTermination(60, TimeUnit.SECONDS);
		for (Future<Integer> future : futures) {
			try {
				future.get();
			} catch (ExecutionException e) {
				System.out.println("Task wasn't executed!");
			}
		}
	}
}