Re: Debugging problem
Re: Debugging problem
- Subject: Re: Debugging problem
- From: Laurent Cerveau <email@hidden>
- Date: Thu, 04 Mar 2010 07:46:30 +0100
Did you try to break on -[NSException raise] or on the NSURL
initWithString method?
Laurent
Sent from my road phone
On Mar 4, 2010, at 4:24 AM, Laurent Daudelin
<email@hidden> wrote:
I'm trying to debug a problem where an NSOutlineView, as part of a
drag, tries to create an instance of NSURL using "- (id)
initWithString:(NSString *)URLString relativeToURL:(NSURL *)baseURL"
with a nil string and get the following error:
*** Ignoring exception 'NSInvalidArgumentException' (reason '*** -
[NSURL initWithString:relativeToURL:]: nil string parameter') raised
by <NSOutlineView: 0x2d6a1a0> during a dragging session
It happens *after* I write the dragging items to a
NSFilesPromisePboardType pasteboard type. I have no idea where this
NSURL is created.
I have tried to create a subclass of NSURL and make that class to
pose as NSURL but then, I'm getting all kind of unknown messages
sent to instances of various classes like:
-[NSCFString absoluteURL]: unrecognized selector sent to instance
0x30e940
or
-[%NSURL length]: unrecognized selector sent to instance 0x503930
I also set a future break on [NSException raise] but it's doesn't
break on that call.
How can I find where this initWithString:relativeToURL: comes from?
The problem is that it doesn't always happen. I tried to reproduce
it but so far, I'm not sure what I'm doing different that will
trigger the bug. The drag is from my app to the Finder. If I drag
from within my app, the error never occurs. It really seems to be
with the NSFilesPromisePboardType pasteboard type that this happens.
Anybody have any suggestion?
Thanks in advance!
-Laurent.
--
Laurent Daudelin
AIM/iChat/Skype:LaurentDaudelin http://nemesys.dyndns.org
Logiciels Nemesys Software email@hidden
Photo Gallery Store: http://laurentdaudelin.shutterbugstorefront.com/g/galleries
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