httpConn[iocb].setRequestProperty("Content-Length", String.valueOf(baos[iocb].size()));
                OutputStream os = httpConn[iocb].openOutputStream();
                byte[] b = baos[iocb].toByteArray();
                os.write(b);
                os.close();
                InputStream is = httpConn[iocb].openInputStream();
                dataInput[iocb] = new DataInputStream(is);
                dataOutput[iocb] = null;