I'd bet the firstNote object is not a "DBNNote" instance but an NSString instance.
On Wed, Mar 19, 2008 at 5:33 PM, Davide Benini <[EMAIL PROTECTED]> wrote: > Hello folks. > I receive an exception message and my application exits whenever I try > to access properties or methods of an instance of DBNNote, a custo > made class. > Here is the code: > > DBNNote *firstNote= [[tune body] objectAtIndex:0]; > NSLog(@"%@", firstNote); > NSLog(@"%@", [firstNote accident]); > > And this is the exception: > > 2008-03-19 17:19:30.957 cocoabc[10832:10b] Note: A flat Octave: 6 > Duration: 3.000000 > 2008-03-19 17:19:30.957 cocoabc[10832:10b] *** -[NSCFString accident]: > unrecognized selector sent to instance 0x33b040 > 2008-03-19 17:19:30.958 cocoabc[10832:10b] An uncaught exception was > raised > 2008-03-19 17:19:30.958 cocoabc[10832:10b] *** -[NSCFString accident]: > unrecognized selector sent to instance 0x33b040 > 2008-03-19 17:19:30.959 cocoabc[10832:10b] *** Terminating app due to > uncaught exception 'NSInvalidArgumentException', reason: '*** - > [NSCFString accident]: unrecognized selector sent to instance 0x33b040' > 2008-03-19 17:19:30.959 cocoabc[10832:10b] Stack: ( > 2505978443, > 2451210491, > 2506007626, > 2506000972, > 2506001170, > 13259, > 8495, > 2506037845, > 2490420930, > 2490380524, > 2490378829, > 2490377872, > 2490377678, > 2490376830, > 8372, > 8298 > ) > > The Debugger has exited due to signal 5 (SIGTRAP).The Debugger has > exited due to signal 5 (SIGTRAP). > > > As you see the first line of the exception message correctly logs > [firstNote description]. > The second NSLog should print "flat". > So it appears the object is correctly instantiated, yet I cannot > access its methods. I have tried to call both methods and properties > accessors, but no call works so far. I have a feeling I am making a > very basic mistake, but I can't tell which one. > Any suggestion? > Davide > _______________________________________________ > > Cocoa-dev mailing list ([email protected]) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/jjalon%40gmail.com > > This email sent to [EMAIL PROTECTED] > _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
