Hi! I have a problem with the persistence of an existing object "Torneo" (with a empty collection of objects "Equipo"). When I add elements to the collection and want to persist, sometimes persist and sometimes not persist in the datastore(Restarting the server of the application). The code of example: public void agregarEquipoConTorneo(Torneo unTorneo, Equipo unEquipo) { /*add Equipo with a existing "Torneo" in the datastore, the "unTorneo"(param) class obtain with: Torneo b = pm.getObjectById(model.Torneo.class, idTorneo);*/ Transaction tx = pm.currentTransaction(); try { tx.begin(); unTorneo.agregarEquipo(unEquipo); //add unEquipo to collection "equipos" pm.makePersistentAll(unTorneo); tx.commit(); System.out.println("persistioTorneoConEquipo"); } finally { pm.close(); if (tx.isActive()) { tx.rollback(); } } Does it design someone of what this one happening? Thanks! Regards Lisandro
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