[jboss-user] [JBoss Seam] - Exception "deleted entity passed to persist"

[hager]

hello,
I have a OneToMany relation between Pret and EcheancePret.
when i create one Pret, a list of EcheancePret is automaticaly created and inserted in the database,
but when i want to update my Pret, i have to delete the list of EcheancePret, create and insert a new one,
this is my code:

  | /*** PretHome.java ***/
  | 
  | Set<EcheancePret>listeEcheancePret=this.getInstance().getEcheancePrets();
  | for(EcheancePret echeance : listeEcheancePret)
  | {
  | this.echeancePretHome.setInstance(echeance);
  | this.echeancePretHome.remove();
  | }
			
but i have an exception :

  | deleted entity passed to persist: [com.fitnetapplication.resources.model.EcheancePret#<null>]
what can i do?
please help me!
thx.


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