Dear list,
I have a core-data app which syncs its data over mobile-me via sync services.
Every couple of days or so, the app crashes on different machines. The stack
trace is pasted below. I'm using essentially the same syncing code I use for
other apps and I haven't seen this problem before.
Can anyone provide any hints from the stack trace?
Many thanks,
Martin
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000
Crashed Thread: 3
Application Specific Information:
objc_msgSend() selector name: handleMocChanges:
Thread 0: Dispatch queue: com.apple.main-thread
0 libSystem.B.dylib 0x00007fff81e152fa mach_msg_trap + 10
1 libSystem.B.dylib 0x00007fff81e1596d mach_msg + 59
2 com.apple.CoreFoundation 0x00007fff87fdb3c2 __CFRunLoopRun + 1698
3 com.apple.CoreFoundation 0x00007fff87fda84f CFRunLoopRunSpecific
+ 575
4 com.apple.HIToolbox 0x00007fff83c6c91a
RunCurrentEventLoopInMode + 333
5 com.apple.HIToolbox 0x00007fff83c6c71f
ReceiveNextEventCommon + 310
6 com.apple.HIToolbox 0x00007fff83c6c5d8
BlockUntilNextEventMatchingListInMode + 59
7 com.apple.AppKit 0x00007fff86b7f29e _DPSNextEvent + 708
8 com.apple.AppKit 0x00007fff86b7ebed -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
9 com.apple.AppKit 0x00007fff86b448d3 -[NSApplication run]
+ 395
10 com.apple.AppKit 0x00007fff86b3d5f8 NSApplicationMain +
364
11 com.bobsoft.Trips 0x00000001000014dd main + 33 (main.m:14)
12 com.bobsoft.Trips 0x00000001000014b4 start + 52
Thread 1: Dispatch queue: com.apple.libdispatch-manager
0 libSystem.B.dylib 0x00007fff81e2e08a kevent + 10
1 libSystem.B.dylib 0x00007fff81e2ff5d _dispatch_mgr_invoke
+ 154
2 libSystem.B.dylib 0x00007fff81e2fc34
_dispatch_queue_invoke + 185
3 libSystem.B.dylib 0x00007fff81e2f75e
_dispatch_worker_thread2 + 252
4 libSystem.B.dylib 0x00007fff81e2f088 _pthread_wqthread +
353
5 libSystem.B.dylib 0x00007fff81e2ef25 start_wqthread + 13
Thread 2:
0 libSystem.B.dylib 0x00007fff81e2eeaa __workq_kernreturn +
10
1 libSystem.B.dylib 0x00007fff81e2f2bc _pthread_wqthread +
917
2 libSystem.B.dylib 0x00007fff81e2ef25 start_wqthread + 13
Thread 3 Crashed:
0 libobjc.A.dylib 0x00007fff87ec7120 objc_msgSend + 44
1 com.apple.Foundation 0x00007fff806c484e _nsnote_callback +
167
2 com.apple.CoreFoundation 0x00007fff87fe7a90
__CFXNotificationPost + 1008
3 com.apple.CoreFoundation 0x00007fff87fd4008
_CFXNotificationPostNotification + 200
4 com.apple.Foundation 0x00007fff806bb7b8
-[NSNotificationCenter postNotificationName:object:userInfo:] + 101
5 com.apple.CoreData 0x00007fff887a8843
-[NSManagedObjectContext(_NSInternalNotificationHandling)
_postObjectsDidChangeNotificationWithUserInfo:] + 99
6 com.apple.CoreData 0x00007fff887df985
-[NSManagedObjectContext(_NSInternalChangeProcessing)
_createAndPostChangeNotification:withDeletions:withUpdates:withRefreshes:] + 325
7 com.apple.CoreData 0x00007fff8878d3db
-[NSManagedObjectContext(_NSInternalChangeProcessing)
_postRefreshedObjectsNotificationAndClearList] + 107
8 com.apple.CoreData 0x00007fff8878c506
-[NSManagedObjectContext(_NSInternalChangeProcessing) _processRecentChanges:] +
86
9 com.apple.CoreData 0x00007fff8878b98b
-[NSManagedObjectContext executeFetchRequest:error:] + 155
10 com.apple.syncservices 0x00007fff84b6865d
-[ISDPersistentStoreSyncer _pushAllRecordForSyncEntityName:] + 258
11 com.apple.syncservices 0x00007fff84b68acd
-[ISDPersistentStoreSyncer _pushChanges] + 422
12 com.apple.syncservices 0x00007fff84b662b9
-[ISDPersistentStoreSyncer synchronize] + 77
13 com.apple.syncservices 0x00007fff84b65986
-[ISDPersistentStoreSyncer synchronizerThreadMain] + 83
14 com.apple.Foundation 0x00007fff806c4e8d __NSThread__main__ +
1429
15 libSystem.B.dylib 0x00007fff81e4e456 _pthread_start + 331
16 libSystem.B.dylib 0x00007fff81e4e309 thread_start + 13
Thread 3 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x0000000100487d60 rcx: 0x0000000102f24910
rdx: 0x0000000102f24970
rdi: 0x0000000100487d60 rsi: 0x000000010004bd5c rbp: 0x00000001149fb2f0
rsp: 0x00000001149fb298
r8: 0x0000000000000000 r9: 0x0000000102f24970 r10: 0x000000010109b9b0
r11: 0x00000001004e787b
r12: 0x00000001004a7d70 r13: 0x0000000102f24970 r14: 0x0000000102f24910
r15: 0x00000001003f18b0
rip: 0x00007fff87ec7120 rfl: 0x0000000000010206 cr2: 0x0000000000000000
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Martin Hewitson
Albert-Einstein-Institut
Max-Planck-Institut fuer
Gravitationsphysik und Universitaet Hannover
Callinstr. 38, 30167 Hannover, Germany
Tel: +49-511-762-17121, Fax: +49-511-762-5861
E-Mail: martin.hewit...@aei.mpg.de
WWW: http://www.aei.mpg.de/~hewitson
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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