Probleme en j2me

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JavaSE

J2ME

j'ai cherché une solution à ma probleme depuis 5 jours
si quelqu'un peux m'aider
j'ai fait une authentification en j2me le probleme est à cause de la connection

si j'ecris url dans le navigateur il marche mais si je test avec wireless toolkit il affiche un erreur "Impossible d'etablir la connection" (Exception)

voici mes codes

connect.php :

$hostname_localhost ="localhost";
$database_localhost ="virtual_university";
$username_localhost ="root";
$password_localhost ="";
$con = mysql_connect($hostname_localhost,$username_localhost,$password_localhost)
or
trigger_error(mysql_error(),E_USER_ERROR);
?>



authentif.php:

require_once('connect.php');
$mail= $_GET['email'];
$mdp= $_GET['pwd'];
mysql_select_db($database_localhost,$con);
$query_search = "SELECT * FROM utilisateur WHERE email LIKE '$mail' AND password LIKE '$mdp';";
$query_exec = mysql_query($query_search) or die(mysql_error());
if($query_exec!=null){
$xml = "";
$root_element = "utilisateur";
$xml .= "<$root_element>";
while($result_array = mysql_fetch_assoc($query_exec))
{
$xml .= "<utilisateur>";
foreach($result_array as $key => $value)
{
//$key holds the table column name
$xml .= "<$key>";
//embed the SQL data in a CDATA element to avoid XML entity issues
$xml .= "<![CDATA[$value";
//and close the element
$xml .= "";
}
$xml.="";
}
//close the root element
$xml .= "";
//send the xml header to the browser
header ("Content-Type:text/xml");
//output the XML data
echo $xml;
}
?>



dans le midlet :

public void commandAction(Command c, Displayable d) {
if ((c == Signin) && (d == formauth)) {
Thread t= new Thread(new Runnable() {
public void run() {
try {
PersonHandler personHand = new PersonHandler();
String urlauth = "http://localhost/parsing/authentif.php?email="+tf_authmail.getString()+"&pwd="+tf_authMdp.getString();
SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
HttpConnection hc = (HttpConnection) Connector.open(urlauth);
DataInputStream dis = new DataInputStream(hc.openDataInputStream());
parser.parse(dis, personHand);
utilisateur = personHand.getPerson();
if (utilisateur.length != 0) {
clcurr = utilisateur[0];
tb.setString(clcurr.getNom());
disp.setCurrent(form);
// disp.setCurrent(lst);
// disp.setCurrent(new CanvasMenu());
} else {
Alert al = new Alert("ERROR", "verifiez vos données", null, AlertType.INFO);
disp.setCurrent(al);
}
} catch (Exception e) {
disp.setCurrent(new Alert("Error", "Impossible d'etablir la connection", null, AlertType.ERROR), formauth);
}
}
});
t.start();
}


et merci d'avance