iOS crash: _minzoom > hillshade > Attempted to dereference null pointer

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12-02-2023 01:00 PM
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esp1rl
by
New Contributor III

Hi, this is a stacktrace collected by Sentry for some of our iOS users. It has something to do with using the MapView, and we have a hard time nailing the cause of it. Hopefully you can help.

ArcGIS Maps SDK 200.2.0 using MAUI

Please see the attached text file for stacktraces for all threads.

 

 

OS Version: iOS 17.1.1 (21B91)
Report Version: 104

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: SEGV_NOOP
Crashed Thread: 19

Application Specific Information:
_minzoom > hillshade >
Attempted to dereference null pointer.

Thread 19 Crashed:
0   Runtimecore                     0x1198c8b84         RT_Vector_setElementRemovedCallback
1   Runtimecore                     0x1198c3cb0         RT_Vector_setElementRemovedCallback
2   Runtimecore                     0x1198d6f44         RT_Vector_setElementRemovedCallback
3   Runtimecore                     0x1198d6c28         RT_Vector_setElementRemovedCallback
4   Runtimecore                     0x1198d698c         RT_Vector_setElementRemovedCallback
5   Runtimecore                     0x1198ffbe0         RT_Vector_setElementRemovedCallback
6   Runtimecore                     0x1198ff3e0         RT_Vector_setElementRemovedCallback
7   Runtimecore                     0x119901f8c         RT_Vector_setElementRemovedCallback
8   Runtimecore                     0x118984ad0         RT_Vector_setElementRemovedCallback
9   Runtimecore                     0x118885fd8         RT_Vector_setElementRemovedCallback
10  Runtimecore                     0x118885f0c         RT_Vector_setElementRemovedCallback
11  Runtimecore                     0x118885d1c         RT_Vector_setElementRemovedCallback
12  Runtimecore                     0x11a27b4a0         RT_Vector_setElementRemovedCallback
13  Runtimecore                     0x1199c1cb0         [inlined] RT_Vector_setElementRemovedCallback
14  Runtimecore                     0x1199c1cb0         RT_Vector_setElementRemovedCallback
15  libdispatch.dylib               0x33db4a300         <redacted>
16  libdispatch.dylib               0x33db5bdbc         <redacted>
17  libdispatch.dylib               0x33db5c3ec         <redacted>
18  libsystem_pthread.dylib         0x401095928         _pthread_wqthread

 

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2 Replies
PreetiMaske
Esri Contributor

Can you please tell us more about the app workflow and describe the conditions the lead to app crash?

It would be great if you can provide some sample code and some data we could try.

 

Thanks,

Preeti

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esp1rl
by
New Contributor III

Hi Preeti. This error is taken completely out of context as it comes from Sentry monitoring and the given report doesn't really point to what area in the app the error pertains to. If we're lucky it will one day happen while the developers are running the app. Until then I can't provide you with further details. Thanks

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