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December 18, 2015 22:29
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I got some crash reports where MKNetworkKit caused exceptions on my app. I hope these reports help to improve MKNetworkKit. Of course, it might be a memory management issue of my app so I'm glad to hear any suggestion. Thanks.
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| SIGSEGV | |
| _mh_execute_header | |
| Crashed Thread | |
| 0 | |
| Foundation 0x34fc5b14 +[__NSOperationInternal _observeValueForKeyPath:ofObject:changeKind:oldValue:newValue:indexes:context:] | |
| 1 | |
| Foundation 0x34fd309b NSKeyValueNotifyObserver | |
| 2 | |
| Foundation 0x34fd2da5 NSKeyValueDidChange | |
| 3 | |
| Foundation 0x34fa9997 -[NSObject(NSKeyValueObserverNotification) didChangeValueForKey:] | |
| 4 | |
| walknote 0x0013ddab -[MKNetworkOperation setState:] (MKNetworkOperation.m:337) | |
| 5 | |
| walknote 0x001441cd -[MKNetworkOperation connectionDidFinishLoading:] (MKNetworkOperation.m:1316) | |
| 6 | |
| Foundation 0x3506dc29 __65-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]_block_invoke_0 | |
| 7 | |
| Foundation 0x34fc56d9 -[NSURLConnectionInternalConnection invokeForDelegate:] | |
| 8 | |
| Foundation 0x34fc56a3 -[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:] | |
| 9 | |
| Foundation 0x34fc55c5 -[NSURLConnectionInternal _withActiveConnectionAndDelegate:] | |
| 10 | |
| CFNetwork 0x34d2a7f5 _ZN19URLConnectionClient23_clientDidFinishLoadingEPNS_26ClientConnectionEventQueueE | |
| 11 | |
| CFNetwork 0x34d1f4a5 _ZN19URLConnectionClient26ClientConnectionEventQueue33processAllEventsAndConsumePayloadEP20XConnectionEventInfoI12XClientEvent18XClientEventParamsEl | |
| 12 | |
| CFNetwork 0x34d1f1a3 _ZN19URLConnectionClient13processEventsEv | |
| 13 | |
| CFNetwork 0x34d1f0d9 _ZN17MultiplexerSource7performEv | |
| 14 | |
| CoreFoundation 0x354fcad3 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ | |
| 15 | |
| CoreFoundation 0x354fc29f __CFRunLoopDoSources0 | |
| 16 | |
| CoreFoundation 0x354fb045 __CFRunLoopRun | |
| 17 | |
| CoreFoundation 0x3547e4a5 CFRunLoopRunSpecific | |
| 18 | |
| CoreFoundation 0x3547e36d CFRunLoopRunInMode | |
| 19 | |
| GraphicsServices 0x3711a439 GSEventRunModal | |
| 20 | |
| UIKit 0x32f8acd5 UIApplicationMain | |
| 21 | |
| walknote 0x00132503 main (main.m:19) | |
| SIGSEGV | |
| __27-[MKNetworkOperation start]_block_invoke499 (MKNetworkOperation.m:896) | |
| Crashed Thread | |
| 0 | |
| libobjc.A.dylib 0x3b50f5b0 objc_msgSend + 16 | |
| 1 | |
| CoreFoundation 0x33734ec1 CFSetAddValue + 117 | |
| 2 | |
| CoreFoundation 0x337633cf CFRunLoopAddSource + 195 | |
| 3 | |
| CFNetwork 0x3349f75b _ZN13URLConnection14pinThisRunLoopEP11__CFRunLoopPK10__CFString + 123 | |
| 4 | |
| CFNetwork 0x33454b23 _ZN13URLConnection19scheduleWithRunLoopEP11__CFRunLoopPK10__CFString + 39 | |
| 5 | |
| Foundation 0x34068d57 -[NSURLConnectionInternalConnection scheduleInRunLoop:forMode:] + 67 | |
| 6 | |
| walknote 0x000df371 __27-[MKNetworkOperation start]_block_invoke499 (MKNetworkOperation.m:896) | |
| 7 | |
| libdispatch.dylib 0x3b92c11f _dispatch_call_block_and_release + 11 | |
| 8 | |
| libdispatch.dylib 0x3b92b4b7 _dispatch_client_callout + 23 | |
| 9 | |
| libdispatch.dylib 0x3b9301bd _dispatch_main_queue_callback_4CF$VARIANT$mp + 225 | |
| 10 | |
| CoreFoundation 0x337bff3b __CFRunLoopRun + 1291 | |
| 11 | |
| CoreFoundation 0x33732ebd CFRunLoopRunSpecific + 357 | |
| 12 | |
| CoreFoundation 0x33732d49 CFRunLoopRunInMode + 105 | |
| 13 | |
| GraphicsServices 0x3730b2eb GSEventRunModal + 75 | |
| 14 | |
| UIKit 0x35648301 UIApplicationMain + 1121 | |
| 15 | |
| walknote 0x000cf503 main (main.m:19) | |
| NSInvalidArgumentException | |
| -[__NSCFString count]: unrecognized selector sent to instance 0x1ea688a0 | |
| Crashed Thread | |
| 0 | |
| CoreFoundation 0x3a1912a3 __exceptionPreprocess + 163 | |
| 1 | |
| libobjc.A.dylib 0x3408097f objc_exception_throw + 31 | |
| 2 | |
| CoreFoundation 0x3a194e07 -[NSObject(NSObject) doesNotRecognizeSelector:] + 171 | |
| 3 | |
| CoreFoundation 0x3a193531 ___forwarding___ + 393 | |
| 4 | |
| CoreFoundation 0x3a0eaf68 _CF_forwarding_prep_0 + 24 | |
| 5 | |
| walknote 0x000a70a5 -[MKNetworkOperation isCacheable] (MKNetworkOperation.m:122) | |
| 6 | |
| walknote 0x000a5103 __48-[MKNetworkEngine enqueueOperation:forceReload:]_block_invoke (MKNetworkEngine.m:457) | |
| 7 | |
| libdispatch.dylib 0x3848411f _dispatch_call_block_and_release + 11 | |
| 8 | |
| libdispatch.dylib 0x38488961 _dispatch_root_queue_drain + 253 | |
| 9 | |
| libdispatch.dylib 0x38488ac1 _dispatch_worker_thread2 + 85 | |
| 10 | |
| libsystem_c.dylib 0x351eda11 _pthread_wqthread + 361 | |
| 11 | |
| libsystem_c.dylib 0x351ed8a4 start_wqthread + 8 | |
| SIGSEGV | |
| __39-[MKNetworkOperation endBackgroundTask]_block_invoke (MKNetworkOperation.m:857) | |
| Crashed Thread | |
| 0 | |
| libobjc.A.dylib 0x3b9805ec objc_msgSend | |
| 1 | |
| libdispatch.dylib 0x3bda280f <redacted> | |
| 2 | |
| BackBoardServices 0x36837b91 <redacted> | |
| 3 | |
| SpringBoardServices 0x391c6115 <redacted> | |
| 4 | |
| CoreFoundation 0x33bcb79f CFRelease | |
| 5 | |
| UIKit 0x35ab166b <redacted> | |
| 6 | |
| UIKit 0x35ab1623 <redacted> | |
| 7 | |
| walknote 0x000a1e35 __39-[MKNetworkOperation endBackgroundTask]_block_invoke (MKNetworkOperation.m:857) | |
| 8 | |
| libdispatch.dylib 0x3bd9f793 <redacted> | |
| 9 | |
| libdispatch.dylib 0x3bd9f5db <redacted> | |
| 10 | |
| libdispatch.dylib 0x3bda2e45 _dispatch_main_queue_callback_4CF | |
| 11 | |
| CoreFoundation 0x33c5e1b1 <redacted> | |
| 12 | |
| CoreFoundation 0x33bd123d CFRunLoopRunSpecific | |
| 13 | |
| CoreFoundation 0x33bd10c9 CFRunLoopRunInMode | |
| 14 | |
| GraphicsServices 0x377b033b GSEventRunModal | |
| 15 | |
| UIKit 0x35aed2b9 UIApplicationMain | |
| 16 | |
| walknote 0x00092503 main (main.m:19) | |
| SIGSEGV | |
| _mh_execute_header | |
| Crashed Thread | |
| 0 | |
| Foundation 0x3555fb14 +[__NSOperationInternal _observeValueForKeyPath:ofObject:changeKind:oldValue:newValue:indexes:context:] | |
| 1 | |
| Foundation 0x3556d09b NSKeyValueNotifyObserver | |
| 2 | |
| Foundation 0x3556cda5 NSKeyValueDidChange | |
| 3 | |
| Foundation 0x35543997 -[NSObject(NSKeyValueObserverNotification) didChangeValueForKey:] | |
| 4 | |
| walknote 0x0006fdab -[MKNetworkOperation setState:] (MKNetworkOperation.m:337) | |
| 5 | |
| walknote 0x00073f31 -[MKNetworkOperation start] (MKNetworkOperation.m:906) | |
| 6 | |
| Foundation 0x355d5793 __block_global_6 | |
| 7 | |
| libdispatch.dylib 0x3494fc59 _dispatch_call_block_and_release | |
| 8 | |
| libdispatch.dylib 0x34952817 _dispatch_worker_thread2 | |
| 9 | |
| libsystem_c.dylib 0x32e7fdfb _pthread_wqthread | |
| SIGSEGV | |
| -[MKNetworkOperation url] (MKNetworkOperation.m:215) | |
| Crashed Thread | |
| 0 | |
| CoreFoundation 0x31db2c96 scanCharacters + 110 | |
| 1 | |
| CoreFoundation 0x31db2ad9 computeSanitizedString + 361 | |
| 2 | |
| CoreFoundation 0x31da5a6b CFURLGetString + 95 | |
| 3 | |
| Foundation 0x326bad17 -[NSURL(NSURL) absoluteString] + 67 | |
| 4 | |
| walknote 0x0006e55d -[MKNetworkOperation url] (MKNetworkOperation.m:215) | |
| 5 | |
| walknote 0x0006e9f1 -[MKNetworkOperation uniqueIdentifier] (MKNetworkOperation.m:278) | |
| 6 | |
| walknote 0x0006be31 -[MKNetworkEngine cachedDataForOperation:] (MKNetworkEngine.m:413) | |
| 7 | |
| walknote 0x0006c129 __48-[MKNetworkEngine enqueueOperation:forceReload:]_block_invoke (MKNetworkEngine.m:459) | |
| 8 | |
| libdispatch.dylib 0x39f5b793 _dispatch_call_block_and_release + 11 | |
| 9 | |
| libdispatch.dylib 0x39f5f657 _dispatch_root_queue_drain + 279 | |
| 10 | |
| libdispatch.dylib 0x39f5f7d9 _dispatch_worker_thread2 + 93 | |
| 11 | |
| libsystem_c.dylib 0x39f837f1 _pthread_wqthread + 361 | |
| SIGSEGV | |
| __39-[MKNetworkOperation endBackgroundTask]_block_invoke (MKNetworkOperation.m:857) | |
| Crashed Thread | |
| 0 | |
| libobjc.A.dylib 0x3c0e05b6 objc_msgSend + 22 | |
| 1 | |
| libdispatch.dylib 0x3c50a90f _dispatch_barrier_sync_f_invoke + 27 | |
| 2 | |
| BackBoardServices 0x36fd1b83 -[BKSProcessAssertion setInvalidationHandler:] + 83 | |
| 3 | |
| SpringBoardServices 0x399740f5 SBSProcessAssertionDealloc + 197 | |
| 4 | |
| CoreFoundation 0x343813d1 CFRelease + 293 | |
| 5 | |
| UIKit 0x36260657 -[_UIBackgroundTaskInfo invalidate] + 31 | |
| 6 | |
| UIKit 0x3626060f -[UIApplication endBackgroundTask:] + 83 | |
| 7 | |
| walknote 0x000d9e35 __39-[MKNetworkOperation endBackgroundTask]_block_invoke (MKNetworkOperation.m:857) | |
| 8 | |
| libdispatch.dylib 0x3c4fd11f _dispatch_call_block_and_release + 11 | |
| 9 | |
| libdispatch.dylib 0x3c4fc4b7 _dispatch_client_callout + 23 | |
| 10 | |
| libdispatch.dylib 0x3c4fddcb _dispatch_main_queue_callback_4CF$VARIANT$up + 227 | |
| 11 | |
| CoreFoundation 0x34413f3b __CFRunLoopRun + 1291 | |
| 12 | |
| CoreFoundation 0x34386ebd CFRunLoopRunSpecific + 357 | |
| 13 | |
| CoreFoundation 0x34386d49 CFRunLoopRunInMode + 105 | |
| 14 | |
| GraphicsServices 0x37f4a2eb GSEventRunModal + 75 | |
| 15 | |
| UIKit 0x3629c301 UIApplicationMain + 1121 | |
| 16 | |
| walknote 0x000ca503 main (main.m:19) |
My app creates almost MKNetworkOperations in non-main thread.
These crashes can't reproduce because each one was occurred only once. (The app has 1,000 launches every day.)
If I get similar crash during debugging, I will send you malloc stack or other debug information.
Very weird crash..
SIGSEGV
-MKNetworkOperation start
Crashed Thread
0 libobjc.A.dylib 0x3be455ca objc_msgSend + 10
1 libdispatch.dylib 0x3c2645db _dispatch_client_callout + 23
2 libdispatch.dylib 0x3c26780f _dispatch_barrier_sync_f_invoke + 27
3 BackBoardServices 0x36cfcb91 -[BKSProcessAssertion setInvalidationHandler:] + 85
4 SpringBoardServices 0x3968ac99 SBSProcessAssertionCreateForPID + 501
5 UIKit 0x3601cd6d -[UIApplication beginBackgroundTaskWithExpirationHandler:] + 69
6 walknote 0x000ccec3 -MKNetworkOperation start
7 Foundation 0x34a55fe7 __block_global_6 + 103
8 libdispatch.dylib 0x3c264793 _dispatch_call_block_and_release + 11
9 libdispatch.dylib 0x3c268657 _dispatch_root_queue_drain + 279
10 libdispatch.dylib 0x3c2687d9 _dispatch_worker_thread2 + 93
11 libsystem_c.dylib 0x3c28c7f1 _pthread_wqthread + 361
@noradaiko, were you able to discover the cause of the crash? I am seeing a similar issue and would appreciate any advice.
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Can you explain what you did to get this crash?