Unable to retrieve the webpage programatically

HttpConnection conn = (HttpConnection) Connector.open(url, Connector.READ_WRITE);
conn.setRequestMethod(HttpConnection.GET);
int responseCode = conn.getResponseCode();
if(responseCode == HttpConnection.HTTP_OK){
    InputStream data = conn.openInputStream();
    StringBuffer raw = new StringBuffer();
    byte[] buf = new byte[4096];
    int nRead = data.read(buf);
    while(nRead > 0){
        raw.append(new String(buf, 0, nRead));
        nRead = data.read(buf);
    }
    dest.updateDestination(raw.toString());

}
else
    dest.updateDestination("responseCode="+ Integer.toString(responseCode));            
    }
    catch(IOException e){
        e.printStackTrace();
        dest.updateDestination("Exception:"+e.toString());
    }

MenuItem getDataAction = new MenuItem("GetData", 100, 10){
        public void run(){
            String URL = "http://www.google.com";
            ServiceRequestThread svc = new ServiceRequestThread(URL, (MyScreen)
                    UiApplication.getUiApplication().getActiveScreen());
            svc.start();
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    };
    addMenuItem(getDataAction);
}

public void updateDestination(final String text){
    UiApplication.getUiApplication().invokeLater(new Runnable(){
        public void run(){
            output.setText(text);
        }
    });
}