WAP HttpConnection问题

Java code:

public void run() {

gra.drawString("test",x,y,Graphics.LEFT| Graphics.TOP);
Font font = Font.getFont(Font.FACE_MONOSPACE, Font.STYLE_BOLD,
Font.SIZE_LARGE);
gra.setFont(font);
gra.setColor(0, 0, 0);
gra.drawRect(0, 0, this.getWidth(), this.getHeight());
// TODO Auto-generated method stub
javax.microedition.io.HttpConnection hc = null;
try {
hc = (HttpConnection) Connector
.open("http://110.43.5.66:8678/default.aspx");
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
System.out.println("connected");
System.out.println(hc.getResponseMessage());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

DataInputStream dis = null;
try {
dis = hc.openDataInputStream();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
int length = (int)hc.getLength();
byte[] b = new