Re: Debugging IB Errors
Re: Debugging IB Errors
- Subject: Re: Debugging IB Errors
- From: Sean Murphy <email@hidden>
- Date: Fri, 30 Mar 2007 06:52:43 -0400
On Mar 30, 2007, at 1:32 AM, Steve Cronin wrote:
I'm getting the following error during my app's launch:
<NSTableColumn 0x3c87880> valueForUndefinedKey:]: this class is not
key value coding-compliant for the key value
What is the best way to resolve where this TableColumn is?
BTW: Run or Debug does not matter. The error simply stops the app
dead. No debugger is ever raised.
My nib is getting complex; it's got a lot of objects at the moment.
Through caveman NSLog messages I have narrowed to a suspicious
NSView subclass.
I have been over and over the 11 NSTableView objects in this view
and cannot find any binding or identifier which is 'value'.
A NiB search yields no joy.
Hi Steve,
It might help to add a symbolic breakpoint on "-[NSTableColumn
valueForUndefinedKey:]" and then poking around in the debugger to
figure out more context information about this exception, such as
querying the column's identifier and parent tableView.
As I think you realized, this kind of log message is very indicative
of a problem somewhere among your nib's bindings.
Good luck,
- Sean
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