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Question by MSFX · Nov 04, 2014 at 12:15 PM · ioscrashcrashreport

iOS Crash Report - NSURLConnection?

Game that I'm working on recently went from iPad-Only to Universal iOS and this error started appearing ALOT via Flurry Crash Reports (haven't had any reports yet through itunesconnect).

NSURLConnection is for loading the contents of a URL but I've no idea why it would be doing this so much suddenly :( Can anyone else shed any more light on what the crash report says?

 Hardware Model:      iPhone4,1
 Process:         gamename [3530]
 Path:            /var/mobile/Applications/324961FD-D913-49F2-AA00/gamename.app/gamename
 Identifier:      com.gamename
 Version:         1.2
 Code Type:       ARM
 Parent Process:  launchd [1]
 
 Exception Type:  SIGSEGV
 Exception Codes: SEGV_ACCERR at 0x0
 Crashed Thread:  0
 
 Thread 0 Crashed:
 0   gamename                           0x001a427c __mh_execute_header + 1671804
 1   gamename                           0x00f3133c +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 2323000
 2   gamename                           0x00f319b0 +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 2324652
 3   gamename                           0x00f42134 +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 2392112
 4   gamename                           0x00f42218 +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 2392340
 5   gamename                           0x01155dbc +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 4570296
 6   gamename                           0x007b9718 __mh_execute_header + 8050456
 7   gamename                           0x001d0bfc __mh_execute_header + 1854460    
 8   gamename                           0x001d1ebc __mh_execute_header + 1859260
 9   gamename                           0x00e92790 +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 1672844
 10  gamename                           0x00f3e230 +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 2375980
 11  gamename                           0x00f3e1ec +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 2375912
 12  gamename                           0x00f30ad4 +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 2320848
 13  gamename                           0x00f30aec +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 2320872
 14  gamename                           0x00e7becc +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 1580488
 15  gamename                           0x00e7c298 +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 1581460
 16  gamename                           0x00f03010 +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 2133772
 17  gamename                           0x00cff288 +[NSURLConnection customSendAsynchronousRequest:queue:completionHandler:] + 20868
 18  gamename                           0x00cbdee8 -[UnityAppController repaint] + 212
 19  gamename                           0x00cbddb8 -[UnityAppController repaintDisplayLink] + 56
 20  QuartzCore                          0x32b2ddf3 <redacted> + 98
 21  QuartzCore                          0x32b2db9d <redacted> + 344
 22  IOMobileFramebuffer                 0x358fa75d <redacted> + 104
 23  IOKit                               0x31330451 _IODispatchCalloutFromCFMessage + 248
 24  CoreFoundation                      0x30605ef9 <redacted> + 136
 25  CoreFoundation                      0x30610ab7 <redacted> + 34
 26  CoreFoundation                      0x30610a53 <redacted> + 346
 27  CoreFoundation                      0x3060f227 <redacted> + 1398
 28  CoreFoundation                      0x30579f4f _CFRunLoopRunSpecific + 522
 29  CoreFoundation                      0x30579d33 _CFRunLoopRunInMode + 106
 30  GraphicsServices                    0x354d2663 _GSEventRunModal + 138
 31  UIKit                               0x32ec516d _UIApplicationMain + 1136
 32  gamename                           0x00010c20 __mh_execute_header + 19488
 33  libdyld.dylib                       0x3b3c9ab7 <redacted> + 2

Update: It appears after looking around a fair bit and what the game is actually doing that this is the FlurrySDK, going to update that and see if it stops...

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avatar image hello1111 · Dec 19, 2014 at 07:57 PM 0
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we're also seeing a very similar stacktrace in flurry with a unity-on-ios app. we're using flurry 5.3.0.

this stack (and ours) looks funny to me. what's with the recursive calls to customSendAsynchronousRequest ?

avatar image RyuK · Apr 19, 2015 at 08:13 AM 0
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I recently encountered the same call stack, with Unity 4.6.4 p2 and Flurry iOS SD$$anonymous$$ 6.3. Any update on this?

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