Re: Core Data : BlogDemo tutorial : I must have missed something, but I don't know what...
Re: Core Data : BlogDemo tutorial : I must have missed something, but I don't know what...
- Subject: Re: Core Data : BlogDemo tutorial : I must have missed something, but I don't know what...
- From: Jens Alfke <email@hidden>
- Date: Sat, 21 Jun 2008 15:12:11 -0700
On 21 Jun '08, at 2:40 PM, John Joyce wrote:
2008-06-21 16:27:05.212 BlogDemo[1180] *** NSRunLoop ignoring
exception
'[<NSManagedObject 0x3434e0> valueForUndefinedKey:]: this class is
not key
value coding-compliant for the key topic.' that raised during
posting of
delayed perform with target 3c4ac0 and selector 'invokeWithTarget:'
This shows that an exception got raised, which is likely to screw up
anything past that point. The message shows that something tried to
access the value for key "topic" on a managed object that didn't
support it.
[Or is the key name really "topic." with a period? I'm not sure
whether the period in the message is part of the key name. Try
searching for "topic." in your code to see if you have a spurious
period.]
If that doesn't narrow it down enough, set a breakpoint at
objc_exception_throw (using the breakpoints window) to find out
exactly where the exception gets thrown.
—Jens
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