问Java读取SWF并输出到浏览器SocketCloseException

EN

public static InputStream readImage(String file) throws IOException {
    InputStream input = new FileInputStream(file);

        return input;
}

  public static void writeImage(InputStream input) {

    try
    {
        byte[] buffer = new byte[1024];
        byte[] bytesSend;
        int bytesRead;
        /*
        while ((bytesRead = input.read(buffer)) != -1)
        {
            responseBody.write(buffer, 0, bytesRead);
        }
        */
        IOUtils.copy(input, responseBody);
        responseBody.flush();
        responseBody.close();
    }
    catch(IOException e)
    {
        System.out.println("bbbb");
        e.printStackTrace(System.out);

    }

  }

sun.net.httpserver.StreamClosedException

java.nio.channels.AsynchronousCloseException

public void run() {
    try
    {
        InetSocketAddress addr = new InetSocketAddress(8080);
        HttpServer server = HttpServer.create(addr, 0);

        server.createContext("/", new MyHandler());
        server.setExecutor(Executors.newCachedThreadPool());
        server.start();
        System.out.println("Server is listening on port 8080" );
    }
    catch(IOException e)
    {
        System.out.println("Http point error");
        System.out.println(e);
    }

}