This error is not indicating that the receiver is invalid, but rather than your argument is nil. Thus, perform some kind of check to verify it's not nil, before passing it as an argument to the method, lest you get this error.
-- Steven Degutis http://www.thoughtfultree.com/ http://www.degutis.org/ On Sat, Sep 5, 2009 at 9:55 AM, Rick C. <[email protected]> wrote: > hello, > > i'm just looking for a confirmation here. if i'm getting this crash: > > *** Terminating app due to uncaught exception 'NSInvalidArgumentException', > reason: '*** -[NSCFString appendString:]: nil argument' > > is it definitely crashing on my NSMutableString appendString: method or is > it possible it's also crashing on NSString stringByAppendingString:? as far > as i know either one will throw an exception that's why i'm asking. thank > you, > > rick > > > > _______________________________________________ > > 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/steven.degutis%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]
