我的应用程序在com.apple.NSURLConnectionLoader线程中使用此崩溃日志在iOS 7上崩溃：
Crashed: com.apple.NSURLConnectionLoader
0 CoreFoundation 0x2fb2e79e CFArrayGetCount + 5
1 CFNetwork 0x2f7fcc03 HTTPConnectionCacheEntry::notifyNextProtocolOfOpenConnection(NetConnection*, unsigned char) + 158
2 CFNetwork 0x2f7fcc03 HTTPConnectionCacheEntry::notifyNextProtocolOfOpenConnection(NetConnection*, unsigned char) + 158
3 CFNetwork 0x2f8084df NetConnection::responseIsComplete(void*) + 162
4 CFNetwork 0x2f808405 HTTPNetStreamInfo::sendStreamIsComplete() + 48
5 CFNetwork 0x2f805311 HTTPNetConnection::responseStreamCallback(void*, __CoreReadStream*, unsigned long) + 308
6 CFNetwork 0x2f8051c1 NetConnection::connectionResponse(__CoreReadStream*, unsigned long) + 116
7 CFNetwork 0x2f7e9391 CoreReadStreamClient::coreStreamEventsAvailable(unsigned long) + 36
8 CFNetwork 0x2f890497 CoreStreamBase::_callClientNow(CoreStreamClient*) + 42
9 CFNetwork 0x2f7e912f CoreStreamBase::_streamSetEventAndScheduleDelivery(unsigned long, unsigned char) + 122
10 CFNetwork 0x2f7e8fd7 CoreStreamBase::_streamInterface_SignalEvent(unsigned long, CFStreamError const*) + 34
11 CFNetwork 0x2f8041a3 HTTPReadFilter::socketReadStreamCallback(unsigned long) + 570
12 CFNetwork 0x2f803f4b HTTPReadFilter::_httpRdFilterStreamCallBack(__CoreReadStream*, unsigned long, void*) + 70
13 CFNetwork 0x2f7e9391 CoreReadStreamClient::coreStreamEventsAvailable(unsigned long) + 36
14 CFNetwork 0x2f890497 CoreStreamBase::_callClientNow(CoreStreamClient*) + 42
15 CFNetwork 0x2f7e912f CoreStreamBase::_streamSetEventAndScheduleDelivery(unsigned long, unsigned char) + 122
16 CFNetwork 0x2f7e8fd7 CoreStreamBase::_streamInterface_SignalEvent(unsigned long, CFStreamError const*) + 34
17 CFNetwork 0x2f7e8f77 SocketStream::dispatchSignalFromSocketCallbackUnlocked(SocketStreamSignalHolder*) + 54
18 CFNetwork 0x2f7e8a09 SocketStream::socketCallback(__CFSocket*, unsigned long, __CFData const*, void const*) + 144
19 CFNetwork 0x2f7e8947 SocketStream::_SocketCallBack_stream(__CFSocket*, unsigned long, __CFData const*, void const*, void*) + 58
20 CoreFoundation 0x2fbc83c3 __CFSocketPerformV0 + 578
21 CoreFoundation 0x2fbc620b __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14
22 CoreFoundation 0x2fbc5761 __CFRunLoopDoSources0 + 340
23 CoreFoundation 0x2fbc3ecf __CFRunLoopRun + 622
24 CoreFoundation 0x2fb2eebf CFRunLoopRunSpecific + 522
25 CoreFoundation 0x2fb2eca3 CFRunLoopRunInMode + 106
26 Foundation 0x3056f087 +[NSURLConnection(Loader) _resourceLoadLoop:] + 318
27 Foundation 0x305e4a5f __NSThread__main__ + 1062
28 libsystem_pthread.dylib 0x3a9d7919 _pthread_body + 140
29 libsystem_pthread.dylib 0x3a9d788b _pthread_start + 102
30 libsystem_pthread.dylib 0x3a9d5aa4 thread_start + 8
有一些关于AFNetworking github页面（https://github.com/AFNetworking/AFNetworking/issues/3003）崩溃的信息，但他们关闭了它并指向结构（https://twittercommunity.com/t/crashes-on-ios-7-after-updating-to-3-3-4/54693/15）。
但禁用AFNetworking和Fabric也没有帮助我。
我尝试迁移到NSURLSession，但它没有帮助。
如果有更多POST请求，我已经发现应用程序崩溃了。禁用POST请求似乎完全消除了崩溃。
我不知道在哪里进一步挖掘。也许有人遇到过这种情况。我很乐意提供任何帮助！