I am creating a build using the command 'eas build -p ios' and when launching on testflight it crashes immediately. This is the crashlog testflight gives me. I have added a portion of it below. If more of it is needed let me know.
Update 1: I have added thread 2 considering thats where the crash is coming from.
Update 2: I have also tried using hermes as my js engine.
Update 3: Here are the logs I got from running npx expo start --no-dev --minify: https://easyupload.io/a0q426
Update 4: I found the answer after deconstructing my app and repeatedly submitting builds to testflight. react-native-snap-carousel is the issue. I posted the answer below. I also am including some lines from the crash for keywords on google searches to help others. __exceptionPreprocess + 164 (NSException.m:202) objc_exception_throw + 60 (objc-exception.mm:356)
How can I debug this?
Incident Identifier: D852C7FE-DF24-4B5C-9D9C-E3CCD8E00734
Hardware Model: iPhone12,1
Process: AppName [9237]
Path: /private/var/containers/Bundle/Application/C015CF31-46C4-4B23-BE7F-7B91E29F1DC7/AppName.app/AppName
Identifier: io.AppNameapp
Version: 1.0.0 (1)
AppStoreTools: 14C17
AppVariant: 1:iPhone12,1:16
Beta: YES
Code Type: ARM-64 (Native)
Role: Foreground
Parent Process: launchd [1]
Coalition: io.AppNameapp [1630]
Date/Time: 2023-01-21 14:33:46.3007 -0500
Launch Time: 2023-01-21 14:33:44.9342 -0500
OS Version: iPhone OS 16.2 (20C65)
Release Type: User
Baseband Version: 4.00.00
Report Version: 104
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Triggered by Thread: 2
Last Exception Backtrace:
0 CoreFoundation 0x1b042de48 __exceptionPreprocess + 164 (NSException.m:202)
1 libobjc.A.dylib 0x1a97038d8 objc_exception_throw + 60 (objc-exception.mm:356)
2 AppName 0x104ad7040 RCTFatal + 668 (RCTAssert.m:147)
3 AppName 0x104b57398 -[RCTExceptionsManager reportFatal:stack:exceptionId:extraDataAsJSON:] + 532 (RCTExceptionsManager.mm:77)
4 AppName 0x104b57cd8 -[RCTExceptionsManager reportException:] + 1476 (RCTExceptionsManager.mm:147)
5 CoreFoundation 0x1b04986c4 __invoking___ + 148 (:-1)
6 CoreFoundation 0x1b0444b2c -[NSInvocation invoke] + 428 (NSForwarding.m:3377)
7 CoreFoundation 0x1b0444544 -[NSInvocation invokeWithTarget:] + 64 (NSForwarding.m:3474)
8 AppName 0x104b097e4 -[RCTModuleMethod invokeWithBridge:module:arguments:] + 460 (RCTModuleMethod.mm:584)
9 AppName 0x104b0bdd0 facebook::react::invokeInner(RCTBridge*, RCTModuleData*, unsigned int, folly::dynamic const&, int, (anonymous namespace)::SchedulingContext) + 536 (RCTNativeModule.mm:183)
10 AppName 0x104b0ba04 operator() + 68 (RCTNativeModule.mm:104)
11 AppName 0x104b0ba04 invocation function for block in facebook::react::RCTNativeModule::invoke(unsigned int, folly::dynamic&&, int) + 112 (RCTNativeModule.mm:95)
12 libdispatch.dylib 0x1b7a3f4b4 _dispatch_call_block_and_release + 32 (init.c:1518)
13 libdispatch.dylib 0x1b7a40fdc _dispatch_client_callout + 20 (object.m:560)
14 libdispatch.dylib 0x1b7a48694 _dispatch_lane_serial_drain + 672 (inline_internal.h:2632)
15 libdispatch.dylib 0x1b7a491e0 _dispatch_lane_invoke + 384 (queue.c:3940)
16 libdispatch.dylib 0x1b7a53e10 _dispatch_workloop_worker_thread + 652 (queue.c:6846)
17 libsystem_pthread.dylib 0x1fe4b5df8 _pthread_wqthread + 288 (pthread.c:2618)
18 libsystem_pthread.dylib 0x1fe4b5b98 start_wqthread + 8 (:-1)
...
Thread 2 name:
Thread 2 Crashed:
0 libsystem_kernel.dylib 0x00000001edd9f160 __pthread_kill + 8 (:-1)
1 libsystem_pthread.dylib 0x00000001fe4bc1ac pthread_kill + 268 (pthread.c:1670)
2 libsystem_c.dylib 0x00000001b7aa4c8c abort + 180 (abort.c:118)
3 libc++abi.dylib 0x00000001fe3fbb8c abort_message + 132 (abort_message.cpp:78)
4 libc++abi.dylib 0x00000001fe3eba80 demangling_terminate_handler() + 336 (cxa_default_handlers.cpp:71)
5 libobjc.A.dylib 0x00000001a9709d3c _objc_terminate() + 144 (objc-exception.mm:498)
6 libc++abi.dylib 0x00000001fe3faf28 std::__terminate(void (*)()) + 20 (cxa_handlers.cpp:59)
7 libc++abi.dylib 0x00000001fe3faec4 std::terminate() + 56 (cxa_handlers.cpp:88)
8 libdispatch.dylib 0x00000001b7a40ff0 _dispatch_client_callout + 40 (object.m:563)
9 libdispatch.dylib 0x00000001b7a48694 _dispatch_lane_serial_drain + 672 (inline_internal.h:2632)
10 libdispatch.dylib 0x00000001b7a491e0 _dispatch_lane_invoke + 384 (queue.c:3940)
11 libdispatch.dylib 0x00000001b7a53e10 _dispatch_workloop_worker_thread + 652 (queue.c:6846)
12 libsystem_pthread.dylib 0x00000001fe4b5df8 _pthread_wqthread + 288 (pthread.c:2618)
13 libsystem_pthread.dylib 0x00000001fe4b5b98 start_wqthread + 8 (:-1)
The cause of my crash was from the library react-native-snap-carousel. After upgrading from 3.9.1 to 4.0.0-beta.6, the crashing stopped.
Before
"react-native-snap-carousel": "3.9.1",
After
"react-native-snap-carousel": "4.0.0-beta.6",