Parse-SDK-iOS-OSX New unexpected issue in Parse.initialize

New Issue Checklist

[X] I am not disclosing a vulnerability.
[X] I am not just asking a question.
[X] I have searched through existing issues.
[X] I can reproduce the issue with the latest versions of Parse Server and the Parse ObjC SDK.

Issue Description

Running app on Simulator without any recent change in versions used (for months…).
For information, an Xcode crash led me just before to delete existing schemes to create new ones

Then recurrent crash in Parse.initialize which has not been changed.

        let configuration = ParseClientConfiguration {
            $0.isLocalDatastoreEnabled = false
            $0.applicationId = holisService.applicationId
            $0.clientKey = holisService.clientKey
            $0.server = holisService.server
			$0.networkRetryAttempts = 3
        }
        Parse.initialize(with: configuration)

Finally solved by adding the subclassing below for all reserved classes, but as explained in #1792 and #1809 it should not be needed anymore.

		PFInstallation.registerSubclass()
		PFUser.registerSubclass()
		PFSession.registerSubclass()
		PFRole.registerSubclass()

Steps to reproduce

Not sure that it can be reproduced as this has been already solved by #1792 and #1809 and it could come from local unknown configuration.

Actual Outcome

Crash

Expected Outcome

Is there any setting in the schemes that could change this behaviour?

Environment

Xcode: 16.3
iOS: 18.0
Operating system: MacOS Sequoia 15.4

Client

Parse ObjC SDK version: 5.1.1

Server

Parse Server version: 3.6.0
Operating system: UNKNOWN
Local or remote host (AWS, Azure, Google Cloud, Heroku, Digital Ocean, etc): REMOTE

Database

System (MongoDB or Postgres): MongoDB
Database version: 3.6.0
Local or remote host (MongoDB Atlas, mLab, AWS, Azure, Google Cloud, etc): REMOTE

Logs

2025-05-08 18:39:14.684534+0200 APPNAME[52544:1867994] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Invalid class name. Class names cannot start with an underscore.'
*** First throw call stack:
(
	0   CoreFoundation                      0x00000001804c88c0 __exceptionPreprocess + 172
	1   libobjc.A.dylib                     0x00000001800937cc objc_exception_throw + 72
	2   CoreFoundation                      0x00000001804c87d0 -[NSException initWithCoder:] + 0
	3   APPNAME.debug.dylib            0x0000000107adb508 +[PFObject(Private) _assertValidInstanceClassName:] + 112
	4   APPNAME.debug.dylib            0x0000000107ae01c0 -[PFObject init] + 268
	5   APPNAME.debug.dylib            0x0000000107ae0470 +[PFObject objectWithClassName:objectId:completeData:] + 172
	6   APPNAME.debug.dylib            0x0000000107ae06e4 +[PFObject objectWithoutDataWithClassName:objectId:] + 160
	7   APPNAME.debug.dylib            0x0000000107aa0ef8 +[PFObjectFile2025-05-08 18:39:14.684569+0200 APPNAME[52544:1868000] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Invalid class name. Class names cannot start with an underscore.'
*** First throw call stack:
(
	0   CoreFoundation                      0x00000001804c88c0 __exceptionPreprocess + 172
	1   libobjc.A.dylib                     0x00000001800937cc objc_exception_throw + 72
	2   CoreFoundation                      0x00000001804c87d0 -[NSException initWithCoder:] + 0
	3   APPNAME.debug.dylib            0x0000000107adb508 +[PFObject(Private) _assertValidInstanceClassName:] + 112
	4   APPNAME.debug.dylib            0x0000000107ae01c0 -[PFObject init] + 268
	5   APPNAME.debug.dylib            0x0000000107ae0470 +[PFObject objectWithClassName:objectId:completeData:] + 172
	6   APPNAME.debug.dylib            0x0000000107ae07c0 +[PFObject object] + 160
	7   APPNAME.debug.dylib            0x0000000107a8c284 __56-[PFCurrentInstallationController getCurrentObjectAsync]_block_invoke.9 + 196
	8   APPNAME.debug.d
Coder objectFromData:usingDecoder:] + 276
	8   APPNAME
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Invalid class name. Class names cannot start with an underscore.'
*** First throw call stack:
(
	0   CoreFoundation                      0x00000001804c88c0 __exceptionPreprocess + 172
	1   libobjc.A.dylib                     0x00000001800937cc objc_exception_throw + 72
	2   CoreFoundation                      0x00000001804c87d0 -[NSException initWithCoder:] + 0
	3   APPNAME.debug.dylib            0x0000000107adb508 +[PFObject(Private) _assertValidInstanceClassName:] + 112
	4   APPNAME.debug.dylib            0x0000000107ae01c0 -[PFObject init] + 268
	5   APPNAME.debug.dylib            0x0000000107ae0470 +[PFObject objectWithClassName:objectId:completeData:] + 172
	6   APPNAME.debug.dylib            0x0000000107ae06e4 +[PFObject objectWithoutDataWithClassName:objectId:] + 160
	7   APPNAME.debug.dylib            0x0000000107aa0ef8 +[PFObjectFileCoder objectFromData:usingDecoder:] + 276
	8   APPNAME.debug.dylib            0x0000000107aa2df0 __69-[PFObjectFilePersistenceController loadPersistentObjectAsyncForKey:]_block_invoke.2 + 92
	9   APPNAME.debug.dylib            0x0000000107afbd78 __62-[BFTask continueWithExecutor:successBlock:cancellationToken:]_block_invoke + 76
	10  APPNAME.debug.dylib            0x0000000107afb88c __55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke + 72
	11  APPNAME.debug.dylib            0x0000000107af98d0 __29+[BFExecutor defaultExecutor]_block_invoke_2 + 128
	12  APPNAME.debug.dylib            0x0000000107af9d8c -[BFExecutor execute:] + 60
	13  APPNAME.debug.dylib            0x0000000107afb54c -[BFTask runContinuations] + 272
	14  APPNAME.debug.dylib            0x0000000107afb180 -[BFTask trySetResult:] + 112
	15  APPNAME.debug.dylib            0x0000000107afc2a4 -[BFTaskCompletionSource setResult:] + 60
	16  APPNAME.debug.dylib            0x0000000107afba34 __55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 + 160
	17  APPNAME.debug.dylib            0x0000000107afb88c __55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke + 72
	18  APPNAME.debug.dylib            0x0000000107af98d0 __29+[BFExecutor defaultExecutor]_block_invoke_2 + 128
	19  APPNAME.debug.dylib            0x0000000107af9d8c -[BFExecutor execute:] + 60
	20  APPNAME.debug.dylib            0x0000000107afb54c -[BFTask runContinuations] + 272
	21  APPNAME.debug.dylib            0x0000000107afb180 -[BFTask trySetResult:] + 112
	22  APPNAME.debug.dylib            0x0000000107afc2a4 -[BFTaskCompletionSource setResult:] + 60
	23  APPNAME.debug.dylib            0x0000000107afb940 __55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke + 252
	24  libdispatch.dylib                   0x0000000100743ec8 _dispatch_call_block_and_release + 24
	25  libdispatch.dylib                   0x000000010075d798 _dispatch_client_callout + 12
	26  libdispatch.dylib                   0x000000010077b624 _dispatch_queue_override_invoke + 976
	27  libdispatch.dylib                   0x0000000100757290 _dispatch_root_queue_drain + 356
	28  libdispatch.dylib                   0x0000000100757dd4 _dispatch_worker_thread2 + 256
	29  libsystem_pthread.dylib             0x0000000100c66b90 _pthread_wqthread + 228
	30  libsystem_pthread.dylib             0x0000000100c6598c start_wqthread + 8
)
libc++abi: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Invalid class name. Class names cannot start with an underscore.'
*** First throw call stack:
(
	0   CoreFoundation                      0x00000001804c88c0 __exceptionPreprocess + 172
	1   libobjc.A.dylib                     0x00000001800937cc objc_exception_throw + 72
	2   CoreFoundation                      0x00000001804c87d0 -[NSException initWithCoder:] + 0
	3   APPNAME.debug.dylib            0x0000000107adb508 +[PFObject(Private) _assertValidInstanceClassName:] + 112
	4   APPNAME.debug.dylib            0x0000000107ae01c0 -[PFObject init] + 268
	5   APPNAME.debug.dylib            0x0000000107ae0470 +[PFObject objectWithClassName:objectId:completeData:] + 172
	6   APPNAME.debug.dylib            0x0000000107ae07c0 +[PFObject object] + 160
	7   APPNAME.debug.dylib            0x0000000107a8c284 __56-[PFCurrentInstallationController getCurrentObjectAsync]_block_invoke.9 + 196
	8   APPNAME.debug.dylib            0x0000000107afbd78 __62-[BFTask continueWithExecutor:successBlock:cancellationToken:]_block_invoke + 76
	9   APPNAME.debug.dylib            0x0000000107afb88c __55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke + 72
	10  APPNAME.debug.dylib            0x0000000107af98d0 __29+[BFExecutor defaultExecutor]_block_invoke_2 + 128
	11  APPNAME.debug.dylib            0x0000000107af9d8c -[BFExecutor execute:] + 60
	12  APPNAME.debug.dylib            0x0000000107afb54c -[BFTask runContinuations] + 272
	13  APPNAME.debug.dylib            0x0000000107afb180 -[BFTask trySetResult:] + 112
	14  APPNAME.debug.dylib            0x0000000107afc428 -[BFTaskCompletionSource trySetResult:] + 60
	15  APPNAME.debug.dylib            0x0000000107aa9ed0 __28-[PFAsyncTaskQueue enqueue:]_block_invoke_2 + 140
	16  APPNAME.debug.dylib            0x0000000107afb88c __55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke + 72
	17  libdispatch.dylib                   0x0000000100743ec8 _dispatch_call_block_and_release + 24
	18  libdispatch.dylib                   0x000000010075d798 _dispatch_client_callout + 12
	19  libdispatch.dylib                   0x000000010077b624 _dispatch_queue_override_invoke + 976
	20  libdispatch.dylib                   0x0000000100757290 _dispatch_root_queue_drain + 356
	21  libdispatch.dylib                   0x0000000100757dd4 _dispatch_worker_thread2 + 256
	22  libsystem_pthread.dylib             0x0000000100c66b90 _pthread_wqthread + 228
	23  libsystem_pthread.dylib             0x0000000100c6598c start_wqthread + 8
)
terminating due to uncaught exception of type NSException
libc++abi: terminating due to uncaught exception of type NSException

May 08 '25 22:05 phbardon

🚀 Thanks for opening this issue!

ℹ️ You can help us to fix this issue faster by opening a pull request with a failing test. See our Contribution Guide for how to make a pull request, or read our New Contributor's Guide if this is your first time contributing.

May 08 '25 22:05 parse-github-assistant[bot]

If this cannot be reproduced, then my guess is that this is an issue with your app or environment. You also mentioned an Xcode crash before; so it may he a Xcode cache issue or Simulator issue.

May 09 '25 14:05 mtrezza

Parse-SDK-iOS-OSX Parse-SDK-iOS-OSX copied to clipboard

New unexpected issue in Parse.initialize

New Issue Checklist

Issue Description

Steps to reproduce

Actual Outcome

Expected Outcome

Environment

Logs

Parse-SDK-iOS-OSX
Parse-SDK-iOS-OSX copied to clipboard