objective c - EXC_BAD_ACCESS although objects are not freed? -


i have following problem in code:

    uitableviewcontroller *controller = nil;   switch (indexpath.row) {     case 0:         controller = self.kundentableviewcontroller;         break;     case 1:         controller = self.projektetableviewcontroller;         break;     case 2:         controller = self.leistungentableviewcontroller;         break;     case 3:         controller = self.zeitentableviewcontroller;         break; }  [self.navigationcontroller pushviewcontroller:controller animated:yes]; 

all 4 view controllers defined in .h-file , synthesized manually (and yes, same, double checked):

- (leistungentableviewcontroller*)leistungentableviewcontroller { if (leistungentableviewcontroller == nil) {     // neu erzeugen     leistungentableviewcontroller = [[leistungentableviewcontroller alloc] initwithnibname:@"leistungenlisteview" bundle:nil]; }  return leistungentableviewcontroller; 

}

now, strange happens: if case 0: called, controller becomes self.kundentableviewcontroller. exc_bad_access @ last line, view controller pushed onto stack. happen particular controller, not other ones. tried nszombies , checked via nslog whether controller gets initialized properly, seems fine. ideas?

update: here's code 4 controllers:

- (kundentableviewcontroller*)kundentableviewcontroller { if (kundentableviewcontroller == nil) {     // neu erzeugen     kundentableviewcontroller = [[kundentableviewcontroller alloc] initwithnibname:@"kundenlisteview" bundle:nil]; }  return kundentableviewcontroller; 

}

- (leistungentableviewcontroller*)leistungentableviewcontroller { if (leistungentableviewcontroller == nil) {     // neu erzeugen     leistungentableviewcontroller = [[leistungentableviewcontroller alloc] initwithnibname:@"leistungenlisteview" bundle:nil]; }  return leistungentableviewcontroller; 

}

- (projektetableviewcontroller*)projektetableviewcontroller { if (projektetableviewcontroller == nil) {     // neu erzeugen     projektetableviewcontroller = [[projektetableviewcontroller alloc] initwithnibname:@"projektelisteview" bundle:nil]; }  return projektetableviewcontroller; 

}

- (zeitentableviewcontroller*)zeitentableviewcontroller { if (zeitentableviewcontroller == nil) {     // neu erzeugen     zeitentableviewcontroller = [[zeitentableviewcontroller alloc] initwithnibname:@"zeitenlisteview" bundle:nil]; }  return zeitentableviewcontroller; 

}

i can't figure out why happens first one.

sounds goes wrong intialization of nib file, in particular once -loadview method called (which happens before view controller displayed , responsible hooking iboutlets proxy objects). sure every iboutlet connected , view connected well? might want check nibs.


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