We're developing an application that needs to track a lot of files (say 10k).
As recommended, we use url / bookmarks to store references to file system
objects.
We regularly see crashes that originate here:
return [NSURL URLByResolvingBookmarkData:bookmarkData
options:NSURLBookmarkResolutionWithSecurityScope
relativeToURL:nil
bookmarkDataIsStale:isStale
error:resolveError];
The backtrace looks like this:
0 com.apple.CoreFoundation 0x00007fff93360711
__CFTypeCollectionRetain + 33
1 com.apple.CoreFoundation 0x00007fff9338dac2
__CFDictionaryRetainValue + 50
2 com.apple.CoreFoundation 0x00007fff9335fb8a
__CFBasicHashAddValue + 1226
3 com.apple.CoreFoundation 0x00007fff93366268 CFBasicHashAddValue
+ 3176
4 com.apple.CoreFoundation 0x00007fff93399e5f CFDictionaryCreate +
143
5 com.apple.CoreFoundation 0x00007fff933a073c
CFErrorCreateWithUserInfoKeysAndValues + 124
6 com.apple.CoreServicesInternal 0x00007fff8a07bff2
reportErrorForURL(__CFError**, long, __CFURL const*) + 94
7 com.apple.CoreServicesInternal 0x00007fff8a063037
_CFURLCreateByResolvingBookmarkData + 1857
8 com.apple.CoreFoundation 0x00007fff93418e5e +[NSURL
URLByResolvingBookmarkData:options:relativeToURL:bookmarkDataIsStale:error:] +
78
And it prints:
Application Specific Information:
*** __CFTypeCollectionRetain() called with NULL; likely a collection has been
corrupted ***
Calling this routine again with exactly the same parameters succeeds —- there
seems to be nothing wrong with the input we supply. We've tried synchronizing
all access to this method, and only calling this method on the main thread. It
didn't help.
We have a test application that can trigger the crash on 10.8. We used a
support incident to get Apple's help on this. It seems likely now that this is
a bug in the frameworks that was supposedly fixed in 10.9 (we have not yet seen
this happen on 10.9). But we must support 10.8 at the very least.
Our app needs to support 10.7 / 10.8 / 10.9, is Sandboxed, and uses ARC.
Unless we find a workaround for this bug we can't ship Sandboxed and / or on
the App Store. And we will need to rewrite the file reference part of our app.
Has anyone run into this issue before, and if so is there a way to avoid this
problem?
Thanks,
patrick
--
Patrick Machielse
Hieper Software
http://www.hieper.nl
[email protected]
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