我正在研究相当复杂的应用程序与巨大的同步程序beetwen iphone和web服务器.我没有添加记录的麻烦,直到我在separete线程中运行同步程序,它将更新serwer上的数据,并将它们发送回iphone.但是在这个过程之后,插入新数据会导致错误,例如:
2011-01-07 12:49:10.722 App[1987:207] Failed to save to data store: The operation couldn’t be completed. (Cocoa error 133020.)
2011-01-07 12:49:10.724 App[1987:207] {
conflictList = (
"NSMergeConflict (0x5ac1ea0) for NSManagedObject (0x5a2d710) with objectID '0x5a27080 <x-coredata://E82E75ED-96DB-4CBF-9D15-9CC106AC0052/uzytkownicy/p10>' with oldVersion = 9 and newVersion = 21 and old object snapshot = {\n adres = \"<null>\";\n haslo = xxxxxxxxxxxxxxxxxxxxxx;\n \"id_uzytkownika\" = 3;\n imie = Jan;\n \"kod_jednorazowy\" = 0;\n komorka = \"<null>\";\n login = nowakjan;\n nazwisko = Nowak;\n pesel = 0;\n rodzaj = 2;\n \"stan_konta\" …