SPPersistentMutableDictionary Crash

[jleandroperez]

Thread : Fatal Exception: NSInternalInconsistencyException
0  CoreFoundation                 0x2f7a0f0b __exceptionPreprocess + 130
1  libobjc.A.dylib                0x3a27dce7 objc_exception_throw + 38
2  CoreData                       0x2f4f1483 +[NSEntityDescription entityForName:inManagedObjectContext:] + 234
3  CoreData                       0x2f4f2669 -[NSFetchRequest(_NSInternalMethods) _resolveEntityWithContext:] + 84
4  CoreData                       0x2f5080dd -[NSManagedObjectContext countForFetchRequest:error:] + 68
5  ForeFlight                     0x00af9aa7 __38-[SPPersistentMutableDictionary count]_block_invoke (SPPersistentMutableDictionary.m:60)
6  CoreData                       0x2f5789cd developerSubmittedBlockToNSManagedObjectContextPerform + 88
7  libdispatch.dylib              0x3a766d3f _dispatch_client_callout + 22
8  libdispatch.dylib              0x3a76b6c3 _dispatch_barrier_sync_f_invoke + 26
9  CoreData                       0x2f578b0b -[NSManagedObjectContext performBlockAndWait:] + 106
10 XZXZXZX                     0x00af99e5 -[SPPersistentMutableDictionary count] (SPPersistentMutableDictionary.m:58)
11 XZXZXZX                     0x00aead0b -[SPChangeProcessor numChangesPending] (SPChangeProcessor.m:754)
12 XZXZXZX                     0x00b0949d -[SPWebSocketChannel handleRemoteChanges:bucket:] (SPWebSocketChannel.m:247)
13 XZXZXZX                     0x00b07afb -[SPWebSocketInterface webSocket:didReceiveMessage:] (SPWebSocketInterface.m:345)
14 XZXZXZX                     0x00af59b3 -[SPWebSocket webSocket:didReceiveMessage:] (SPWebSocket.m:116)
15 XZXZXZX                     0x00b023cf __30-[SRWebSocket _handleMessage:]_block_invoke (SRWebSocket.m:755)
16 libdispatch.dylib              0x3a766d53 _dispatch_call_block_and_release + 10
17 libdispatch.dylib              0x3a766d3f _dispatch_client_callout + 22
18 libdispatch.dylib              0x3a7696c3 _dispatch_main_queue_callback_4CF + 278
19 CoreFoundation                 0x2f76b681 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 8
20 CoreFoundation                 0x2f769f4d __CFRunLoopRun + 1308
21 CoreFoundation                 0x2f6d4769 CFRunLoopRunSpecific + 524
22 CoreFoundation                 0x2f6d454b CFRunLoopRunInMode + 106
23 GraphicsServices               0x3460e6d3 GSEventRunModal + 138
24 UIKit                          0x32033891 UIApplicationMain + 1136
25 XZXZXZX                     0x000bf2c3 main (main.m:12)
26 libdyld.dylib                  0x3a77bab7 start + 2

[jleandroperez]

Although i couldn't directly reproduce this glitch, the MOC creation had a missing mutex, which would explain weird scenarios.

@jphribovsek please, if this is still happening after the latest commit, feel free to reopen.

Thank you!