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Level 1
i got this error when i try to add a second item using
dataservice and


[RPC Fault faultString="Item with id 'markingHibernate:::0'

exists. Error on destination 'markingHibernate'"

faultCode="Local.Call.Failed" faultDetail="null"]

here is my code :

public function markOffer(offreId:int,userId:int):void{

var param:Array = new Array();




var token:AsyncToken =
markingHibernateService.fill(resCheck,"flex:hql","from Marking m
where m.offre = ? and m.users = ?",param);

token.action = "mark";

token.taille = resCheck.length;


public function checkMarking(event:CollectionEvent):void{

taille =;


private function resultHandler(event:ResultEvent):void{

if(event.token.action == "mark"){

if(event.token.taille != 0){"you already marked this offer , plz choose
another one","Info");


var myMarking:Marking = new Marking();

myMarking.users = usertest;

myMarking.offre = dgOfferRes.selectedItem as Offre;

myMarking.marked = "y";

myMarking.reserved = "";

markingHibernateService.createItem(myMarking);"success marking","Info");


i hope u can help me.
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