问在发送文件后，流不会关闭

EN

//This is part of a task that carries this out (Part of a UI application)
@Override
protected Void call()
{
    try(Socket socket = new Socket(host,portNumber); 
        ObjectOutputStream toServer = new ObjectOutputStream(socket.getOutputStream());
        ObjectInputStream fromServer = new ObjectInputStream(socket.getInputStream()))
    {
        //Client requests a song from the server (song is a String)
        toServer.writeUTF(".Music."+song);
        toServer.flush();

        //Create a new file (tempSong is a string)
        File test = new File(tempSong);
        test.createNewFile();

        //New file writer
        BufferedOutputStream bOS = new BufferedOutputStream(new FileOutputStream(test));

        byte[] buffer = new byte[4096];
        int current;

        /** 
         * Read the bytes from the server and write the file
         * The file is written and I can play it (externally)
         * but the while loop doesn't break after writting the file
         */
        while ((current = fromServer.read(buffer)) > 0)
        {
            bOS.write(buffer, 0 , current);
        }

        System.out.println("Finished writing");

        bOS.close();

        /**
         * down here a method is ran to play the file
         * but it never happen because the task is still in the while loop
         */
    }
    catch (IOException e)
    {
        e.printStackTrace();
    }
    return null;
}

/** This is part of a task and the main call area */
@Override
public Void call ()
{
    try
    {
        //Setup I/O
        toClient = new ObjectOutputStream(socket.getOutputStream());
        ObjectInputStream fromClient = new ObjectInputStream(socket.getInputStream());

        while(!socket.isClosed())
        {
            //If server has received a message
            if(fromClient.available() > 0)
            {
                //Reads message and objects from client
                String input = fromClient.readUTF();

                if (input.contains(".Music"))
                {
                    findMusic(input, toClient);
                }

                /**
                 * more else IFs
                 */
            }
        }
    }
    catch (Exception e)
    {
        e.printStackTrace();
    }
    return null;
}
/**
 * this method is part of the task discussed above
 */
//The method that is called
private void findMusic(String input, ObjectOutputStream toClient)
{
    logoff();
    String[] names = input.split("[.]");
    clientManagerTemp.logger("Someone request song: " + names[2] + ".mp3");

    File musicFile = AudioUtil.getSoundFile("src/Resources/Songs/" + names[2]+ ".mp3");
    byte[] buffer = new byte[(int) musicFile.length()];

    try(BufferedInputStream bis = new BufferedInputStream(new FileInputStream(musicFile)))
    {
        bis.read(buffer, 0, buffer.length);

        clientManagerTemp.logger("Sending " + "src/Resources/Songs/" + names[2]+ ".mp3" + "(" + buffer.length + " bytes)");
        //write the file to the client

        toClient.write(buffer,0, buffer.length);
        toClient.flush();

        clientManagerTemp.logger("Finished sending");

    }
    catch (IOException e)
    {
        e.printStackTrace();
    }

}