My app stores an NSURL to a file. All I'm doing is acting as the data source
and delegate for QL and giving it access to an NSArray with the URL. I'm not
creating a plugin (or am I misunderstanding you).
On May 3, 2011, at 6:59 PM, Nick Zitzmann wrote:
>
> On May 3, 2011, at 4:45 PM, Brad Stone wrote:
>
>> Here's what I get when I QL a large file.
>>
>> proNotes(52698,0x1196fd000) malloc: reference count underflow for
>> 0x201afc920, break on auto_refcount_underflow_error to debug. (17 times)
>> proNotes(52698,0x1196fd000) malloc: resurrection error for object
>> 0x201f0a380 while assigning {conservative-block}[352](0x20189fc40)[304] =
>> CFRunLoopSource[128](0x201f0a380)
>> garbage pointer stored into reachable memory, break on
>> auto_zone_resurrection_error to debug (13 times)
>>
>>
>> Then crash. What should I look for? How should I approach debugging this?
>
>
> Do this:
>
> 1. In your project, add an executable for /usr/bin/qlmanage
> 2. Give it an argument that points to a file that your importer handles, plus
> any flags you need to pass to the task
> 3. If you haven't done so already, make a symbolic link pointing to your
> built importer product, and place it where you normally place your QuickLook
> generators (so it loads the built product instead of a copy of the built
> product)
> 4. Make a symbolic breakpoint for auto_zone_resurrection_error
> 5. Build and debug
>
> If you set up everything correctly, then Xcode's debugger will launch
> qlmanage, which will load your plugin, and trigger the problem, and cause the
> debugger to break. Good luck; debugging plugins isn't always easy.
>
> Nick Zitzmann
> <http://www.chronosnet.com/>
>
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