这种崩溃似乎发生在iOS 7.1.1和7.1.2与AFNetworking 2.5.3：
这是堆栈跟踪：
Thread : Crashed: com.apple.NSURLConnectionLoader
0 libobjc.A.dylib 0x000000018ef241d0 objc_msgSend + 16
1 CFNetwork 0x0000000182567c30 HTTPConnectionCacheEntry::notifyNextProtocolOfOpenConnection(NetConnection*, unsigned char) + 200
2 CFNetwork 0x0000000182577274 NetConnection::responseIsComplete(void*) + 256
3 CFNetwork 0x0000000182577118 HTTPNetStreamInfo::sendStreamIsComplete() + 72
4 CFNetwork 0x0000000182575df0 HTTPNetStreamInfo::_streamImpl_Read(unsigned char*, long, CFStreamError*, unsigned char*) + 392
5 CFNetwork 0x000000018254efd8 CoreStreamBase::_streamInterface_Read(unsigned char*, long) + 184
6 CFNetwork 0x0000000182575970 HTTPProtocol::bytesAvailable(unsigned char) + 224
7 CFNetwork 0x0000000182573e40 HTTPProtocol::httpReadStreamEvent(unsigned long) + 596
8 CFNetwork 0x000000018254d4a4 CoreReadStreamClient::coreStreamEventsAvailable(unsigned long) + 64
9 CFNetwork 0x000000018262be94 CoreStreamBase::_callClientNow(CoreStreamClient*) + 64
10 CFNetwork 0x000000018262bed4 ___ZN14CoreStreamBase34_streamSetEventAndScheduleDeliveryEmh_block_invoke + 40
11 CoreFoundation 0x00000001829095e0 CFArrayApplyFunction + 68
12 CFNetwork 0x0000000182560a1c RunloopBlockContext::perform() + 136
13 CFNetwork 0x0000000182560898 MultiplexerSource::perform() + 288
14 CFNetwork 0x00000001825606d4 MultiplexerSource::_perform(void*) + 60
15 CoreFoundation 0x00000001829cb644 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
16 CoreFoundation 0x00000001829ca9a0 __CFRunLoopDoSources0 + 256
17 CoreFoundation 0x00000001829c8c38 __CFRunLoopRun + 632
18 CoreFoundation 0x0000000182909c20 CFRunLoopRunSpecific + 452
19 Foundation 0x00000001834fe428 +[NSURLConnection(Loader) _resourceLoadLoop:] + 348
20 Foundation 0x000000018358c40c __NSThread__main__ + 1000
21 libsystem_pthread.dylib 0x000000018f683e1c _pthread_body + 168
22 libsystem_pthread.dylib 0x000000018f683d74 _pthread_body + 138
23 libsystem_pthread.dylib 0x000000018f681554 thread_start + 4
有谁知道这是什么原因？是否有可用的解决方案？