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Calling foundSubscription.updateQuery throws unhandled exception #7836

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ScottThomasMiller opened this issue Jun 24, 2024 · 5 comments · Fixed by #8010
Closed

Calling foundSubscription.updateQuery throws unhandled exception #7836

ScottThomasMiller opened this issue Jun 24, 2024 · 5 comments · Fixed by #8010
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O-Community

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@ScottThomasMiller
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SDK and version

SDK : RealmSwift (Cocoa, Java, etc)
Version: Realm 10.52.0, RealmDatabase 14.10.1

Observations

  • How frequent do the crash occur? every time
  • Does it happen in production or during dev/test? dev/test
  • Can the crash be reproduced by you? yes
  • Can you provide instructions for how we can reproduce it? Yes: build and run the attached project in Xcode, for the iPhone target.

Crash log / stacktrace

Info: Realm sync client ([realm-core-14.10.1])
Info: Platform: iOS Darwin 23.5.0 Darwin Kernel Version 23.5.0: Wed May 1 20:34:02 PDT 2024; root:xnu-10063.122.3~3/RELEASE_ARM64_T8120 iPhone15,2
Info: Connection[1] Session[1]: Binding '/var/mobile/Containers/Data/Application/0B6417E2-3CD3-4CD8-B712-B94E381569E2/Documents/mongodb-realm/share-zjugltx/66730f022150f0e2467d69f5/flx_sync_default.realm' to ''
Info: Connection[1] Session[1]: client_reset_config = false, Realm exists = true
Info: Connection[1] Connecting to 'wss://ws.services.cloud.mongodb.com:443/api/client/v2.0/app/share-zjugltx/realm-sync'
Info: Connection[1] Connect timeout
To view your data in Atlas, go to this link: https://cloud.mongodb.com/links/651b55381a71d124d96f7cde/explorer/Cluster0/database/collection/find
Info: Connection[1] Connecting to 'wss://ws.services.cloud.mongodb.com:443/api/client/v2.0/app/share-zjugltx/realm-sync'
Info: Connected to endpoint '3.211.22.90:443' (from '192.168.1.29:57649')
Info: Connection[1] Connected to app services with request id: "6678b98864e6a1423c0b4375"
Info: Connection[2] Session[2]: Binding '/var/mobile/Containers/Data/Application/0B6417E2-3CD3-4CD8-B712-B94E381569E2/Documents/mongodb-realm/share-zjugltx/66730f022150f0e2467d69f5/flx_sync_default.realm' to ''
Info: Connection[2] Session[2]: client_reset_config = false, Realm exists = true
Info: Connection[2] Connecting to 'wss://us-east-1.aws.ws.services.cloud.mongodb.com:443/api/client/v2.0/app/share-zjugltx/realm-sync'
Info: Connected to endpoint '107.20.72.25:443' (from '192.168.1.29:57650')
Info: Connection[2] Connected to app services with request id: "6678b98864e6a1423c0b7fb4"
found subscription for myPosts
/Users/scottmiller/Library/Developer/Xcode/DerivedData/App-fllwbzcoarmiwbabgmqoxitzmcze/SourcePackages/checkouts/realm-core/src/realm/exceptions.cpp:80: [realm-core-14.10.1] Unreachable code
0 RealmSwift 0x0000000109786504 _ZN5realm4utilL18terminate_internalERNSt3__118basic_stringstreamIcNS1_11char_traitsIcEENS1_9allocatorIcEEEE + 28
1 RealmSwift 0x00000001097864e4 _ZN5realm4util19terminate_with_infoEPKcS2_lS2_OSt16initializer_listINS0_9PrintableEE + 308
2 RealmSwift 0x00000001097863b0 _ZN5realm4util19terminate_with_infoEPKcS2_lS2_OSt16initializer_listINS0_9PrintableEE + 0
3 RealmSwift 0x000000010902bf04 _ZN5realm19exception_to_statusEv + 304
4 RealmSwift 0x000000010931afd4 _ZN5realm13AsyncOpenTask30wait_for_bootstrap_or_completeEONS_4util14UniqueFunctionIFvNS_19ThreadSafeReferenceESt13exception_ptrEEENSt3__110shared_ptrINS_5_impl16RealmCoordinatorEEENS_6StatusE + 596
5 RealmSwift 0x000000010931b90c _ZN5realm13AsyncOpenTask26migrate_schema_or_completeEONS_4util14UniqueFunctionIFvNS_19ThreadSafeReferenceESt13exception_ptrEEENSt3__110shared_ptrINS_5_impl16RealmCoordinatorEEE + 224
6 RealmSwift 0x000000010931dda0 _ZZN5realm13AsyncOpenTask5startENS_4util14UniqueFunctionIFvNS_19ThreadSafeReferenceESt13exception_ptrEEEEN3$_0clENS_6StatusE + 380
7 RealmSwift 0x000000010931dadc _ZN5realm4util14UniqueFunctionIFvNS_6StatusEEE12SpecificImplIZNS_13AsyncOpenTask5startENS1_IFvNS_19ThreadSafeReferenceESt13exception_ptrEEEE3$0E4callEOS2 + 60
8 RealmSwift 0x0000000109353d68 ZNK5realm4util14UniqueFunctionIFvNS_6StatusEEEclES2 + 112
9 RealmSwift 0x0000000109377f74 _ZZN5realm11SyncSession23add_completion_callbackENS_4util14UniqueFunctionIFvNS_6StatusEEEENS_5_impl20SyncProgressNotifier12NotifierTypeEENK4$12clES3 + 224
10 RealmSwift 0x0000000109377dd4 _ZN5realm4util14UniqueFunctionIFvNS_6StatusEEE12SpecificImplIZNS_11SyncSession23add_completion_callbackES4_NS_5_impl20SyncProgressNotifier12NotifierTypeEE4$12E4callEOS2 + 60
11 RealmSwift 0x0000000109353d68 ZNK5realm4util14UniqueFunctionIFvNS_6StatusEEEclES2 + 112
12 RealmSwift 0x000000010951dd18 _ZN5realm4sync14SessionWrapper22on_download_completionEv + 112
13 RealmSwift 0x000000010951dc98 _ZN5realm4sync10ClientImpl7Session22on_download_completionEv + 56
14 RealmSwift 0x0000000109601d8c _ZN5realm4sync10ClientImpl7Session29check_for_download_completionEv + 304
15 RealmSwift 0x00000001095ff860 _ZN5realm4sync10ClientImpl7Session20receive_mark_messageEy + 416
16 RealmSwift 0x00000001095ff644 _ZN5realm4sync10ClientImpl10Connection20receive_mark_messageEyy + 124
17 RealmSwift 0x00000001095fc614 _ZN5realm5_impl14ClientProtocol22parse_message_receivedINS_4sync10ClientImpl10ConnectionEEEvRT_NSt3__117basic_string_viewIcNS8_11char_traitsIcEEEE + 4388
18 RealmSwift 0x00000001095f821c _ZN5realm4sync10ClientImpl10Connection23handle_message_receivedENS_4util4SpanIKcLm18446744073709551615EEE + 112
19 RealmSwift 0x00000001095f8104 _ZN5realm4sync10ClientImpl10Connection33websocket_binary_message_receivedENS_4util4SpanIKcLm18446744073709551615EEE + 252
20 RealmSwift 0x0000000109613558 _ZN5realm4sync10ClientImpl10Connection21WebSocketObserverShim33websocket_binary_message_receivedENS_4util4SpanIKcLm18446744073709551615EEE + 100
21 RealmSwift 0x000000010957455c _ZN5realm4sync9websocket12_GLOBAL__N_120DefaultWebSocketImpl33websocket_binary_message_receivedEPKcm + 80
22 RealmSwift 0x00000001095ab5d0 _ZN12_GLOBAL__N_19WebSocket17frame_reader_loopEv + 232
23 RealmSwift 0x00000001095ad094 _ZZN12_GLOBAL__N_19WebSocket17frame_reader_loopEvENKUlNSt3__110error_codeEmE_clES2_m + 180
24 RealmSwift 0x00000001095acfa8 _ZN5realm4util14UniqueFunctionIFvNSt3__110error_codeEmEE12SpecificImplIZN12_GLOBAL__N_19WebSocket17frame_reader_loopEvEUlS3_mE_E4callEOS3_Om + 64
25 RealmSwift 0x0000000109586df4 _ZNK5realm4util14UniqueFunctionIFvNSt3__110error_codeEmEEclES3_m + 120
26 RealmSwift 0x0000000109586b68 ZN5realm4sync7network7Service9AsyncOper29do_recycle_and_execute_helperINS_4util14UniqueFunctionIFvNSt3__110error_codeEmEEEJS8_mEEEvbRbT_DpT0 + 108
27 RealmSwift 0x0000000109586a80 ZN5realm4sync7network7Service9AsyncOper22do_recycle_and_executeINS_4util14UniqueFunctionIFvNSt3__110error_codeEmEEEJRS8_RmEEEvbRT_DpOT0 + 168
28 RealmSwift 0x00000001095864c4 _ZN5realm4sync7network7Service14BasicStreamOpsINS1_3ssl6StreamEE16BufferedReadOperINS_4util14UniqueFunctionIFvNSt3__110error_codeEmEEEE19recycle_and_executeEv + 656
29 RealmSwift 0x0000000109598134 _ZN5realm4sync7network7Service4Impl7executeERNSt3__110unique_ptrINS2_9AsyncOperENS2_18LendersOperDeleterEEE + 36
30 RealmSwift 0x0000000109597e40 _ZN5realm4sync7network7Service4Impl8run_implEb + 320
31 RealmSwift 0x0000000109593c28 _ZN5realm4sync7network7Service4Impl17run_until_stoppedEv + 32
32 RealmSwift 0x0000000109593bfc _ZN5realm4sync7network7Service17run_until_stoppedEv + 28
33 RealmSwift 0x000000010956da84 _ZN5realm4sync9websocket21DefaultSocketProvider10event_loopEv + 352
34 RealmSwift 0x00000001095721fc ZNSt3__18__invokeB8ue170006IMN5realm4sync9websocket21DefaultSocketProviderEFvvEPS4_JEvEEDTcldsdeclsr3stdE7declvalIT0_EEclsr3stdE7declvalIT_EEspclsr3stdE7declvalIT1_EEEEOS9_OS8_DpOSA + 116
35 RealmSwift 0x000000010957217c _ZNSt3__116__thread_executeB8ue170006INS_10unique_ptrINS_15__thread_structENS_14default_deleteIS2_EEEEMN5realm4sync9websocket21DefaultSocketProviderEFvvEJPS9_EJLm2EEEEvRNS_5tupleIJT_T0_DpT1_EEENS_15__tuple_indicesIJXspT2_EEEE + 48
36 RealmSwift 0x0000000109571e28 ZNSt3__114__thread_proxyB8ue170006INS_5tupleIJNS_10unique_ptrINS_15__thread_structENS_14default_deleteIS3_EEEEMN5realm4sync9websocket21DefaultSocketProviderEFvvEPSA_EEEEEPvSF + 84
37 libsystem_pthread.dylib 0x00000001e7f2d06c _pthread_start + 136
38 libsystem_pthread.dylib 0x00000001e7f280d8 thread_start + 8
!!! IMPORTANT: Please report this at https://github.com/realm/realm-core/issues/new/choose
/Users/scottmiller/Library/Developer/Xcode/DerivedData/App-fllwbzcoarmiwbabgmqoxitzmcze/SourcePackages/checkouts/realm-core/src/realm/exceptions.cpp:80: [realm-core-14.10.1] Unreachable code
0 RealmSwift 0x0000000109786504 _ZN5realm4utilL18terminate_internalERNSt3__118basic_stringstreamIcNS1_11char_traitsIcEENS1_9allocatorIcEEEE + 28
1 RealmSwift 0x00000001097864e4 _ZN5realm4util19terminate_with_infoEPKcS2_lS2_OSt16initializer_listINS0_9PrintableEE + 308
2 RealmSwift 0x00000001097863b0 _ZN5realm4util19terminate_with_infoEPKcS2_lS2_OSt16initializer_listINS0_9PrintableEE + 0
3 RealmSwift 0x000000010902bf04 _ZN5realm19exception_to_statusEv + 304
4 RealmSwift 0x000000010931afd4 _ZN5realm13AsyncOpenTask30wait_for_bootstrap_or_completeEONS_4util14UniqueFunctionIFvNS_19ThreadSafeReferenceESt13exception_ptrEEENSt3__110shared_ptrINS_5_impl16RealmCoordinatorEEENS_6StatusE + 596
5 RealmSwift 0x000000010931b90c _ZN5realm13AsyncOpenTask26migrate_schema_or_completeEONS_4util14UniqueFunctionIFvNS_19ThreadSafeReferenceESt13exception_ptrEEENSt3__110shared_ptrINS_5_impl16RealmCoordinatorEEE + 224
6 RealmSwift 0x000000010931dda0 _ZZN5realm13AsyncOpenTask5startENS_4util14UniqueFunctionIFvNS_19ThreadSafeReferenceESt13exception_ptrEEEEN3$_0clENS_6StatusE + 380
7 RealmSwift 0x000000010931dadc _ZN5realm4util14UniqueFunctionIFvNS_6StatusEEE12SpecificImplIZNS_13AsyncOpenTask5startENS1_IFvNS_19ThreadSafeReferenceESt13exception_ptrEEEE3$0E4callEOS2 + 60
8 RealmSwift 0x0000000109353d68 ZNK5realm4util14UniqueFunctionIFvNS_6StatusEEEclES2 + 112
9 RealmSwift 0x0000000109377f74 _ZZN5realm11SyncSession23add_completion_callbackENS_4util14UniqueFunctionIFvNS_6StatusEEEENS_5_impl20SyncProgressNotifier12NotifierTypeEENK4$12clES3 + 224
10 RealmSwift 0x0000000109377dd4 _ZN5realm4util14UniqueFunctionIFvNS_6StatusEEE12SpecificImplIZNS_11SyncSession23add_completion_callbackES4_NS_5_impl20SyncProgressNotifier12NotifierTypeEE4$12E4callEOS2 + 60
11 RealmSwift 0x0000000109353d68 ZNK5realm4util14UniqueFunctionIFvNS_6StatusEEEclES2 + 112
12 RealmSwift 0x000000010951dd18 _ZN5realm4sync14SessionWrapper22on_download_completionEv + 112
13 RealmSwift 0x000000010951dc98 _ZN5realm4sync10ClientImpl7Session22on_download_completionEv + 56
14 RealmSwift 0x0000000109601d8c _ZN5realm4sync10ClientImpl7Session29check_for_download_completionEv + 304
15 RealmSwift 0x00000001095ff860 _ZN5realm4sync10ClientImpl7Session20receive_mark_messageEy + 416
16 RealmSwift 0x00000001095ff644 _ZN5realm4sync10ClientImpl10Connection20receive_mark_messageEyy + 124
17 RealmSwift 0x00000001095fc614 _ZN5realm5_impl14ClientProtocol22parse_message_receivedINS_4sync10ClientImpl10ConnectionEEEvRT_NSt3__117basic_string_viewIcNS8_11char_traitsIcEEEE + 4388
18 RealmSwift 0x00000001095f821c _ZN5realm4sync10ClientImpl10Connection23handle_message_receivedENS_4util4SpanIKcLm18446744073709551615EEE + 112
19 RealmSwift 0x00000001095f8104 _ZN5realm4sync10ClientImpl10Connection33websocket_binary_message_receivedENS_4util4SpanIKcLm18446744073709551615EEE + 252
20 RealmSwift 0x0000000109613558 _ZN5realm4sync10ClientImpl10Connection21WebSocketObserverShim33websocket_binary_message_receivedENS_4util4SpanIKcLm18446744073709551615EEE + 100
21 RealmSwift 0x000000010957455c _ZN5realm4sync9websocket12_GLOBAL__N_120DefaultWebSocketImpl33websocket_binary_message_receivedEPKcm + 80
22 RealmSwift 0x00000001095ab5d0 _ZN12_GLOBAL__N_19WebSocket17frame_reader_loopEv + 232
23 RealmSwift 0x00000001095ad094 _ZZN12_GLOBAL__N_19WebSocket17frame_reader_loopEvENKUlNSt3__110error_codeEmE_clES2_m + 180
24 RealmSwift 0x00000001095acfa8 _ZN5realm4util14UniqueFunctionIFvNSt3__110error_codeEmEE12SpecificImplIZN12_GLOBAL__N_19WebSocket17frame_reader_loopEvEUlS3_mE_E4callEOS3_Om + 64
25 RealmSwift 0x0000000109586df4 _ZNK5realm4util14UniqueFunctionIFvNSt3__110error_codeEmEEclES3_m + 120
26 RealmSwift 0x0000000109586b68 ZN5realm4sync7network7Service9AsyncOper29do_recycle_and_execute_helperINS_4util14UniqueFunctionIFvNSt3__110error_codeEmEEEJS8_mEEEvbRbT_DpT0 + 108
27 RealmSwift 0x0000000109586a80 ZN5realm4sync7network7Service9AsyncOper22do_recycle_and_executeINS_4util14UniqueFunctionIFvNSt3__110error_codeEmEEEJRS8_RmEEEvbRT_DpOT0 + 168
28 RealmSwift 0x00000001095864c4 _ZN5realm4sync7network7Service14BasicStreamOpsINS1_3ssl6StreamEE16BufferedReadOperINS_4util14UniqueFunctionIFvNSt3__110error_codeEmEEEE19recycle_and_executeEv + 656
29 RealmSwift 0x0000000109598134 _ZN5realm4sync7network7Service4Impl7executeERNSt3__110unique_ptrINS2_9AsyncOperENS2_18LendersOperDeleterEEE + 36
30 RealmSwift 0x0000000109597e40 _ZN5realm4sync7network7Service4Impl8run_implEb + 320
31 RealmSwift 0x0000000109593c28 _ZN5realm4sync7network7Service4Impl17run_until_stoppedEv + 32
32 RealmSwift 0x0000000109593bfc _ZN5realm4sync7network7Service17run_until_stoppedEv + 28
33 RealmSwift 0x000000010956da84 _ZN5realm4sync9websocket21DefaultSocketProvider10event_loopEv + 352
34 RealmSwift 0x00000001095721fc ZNSt3__18__invokeB8ue170006IMN5realm4sync9websocket21DefaultSocketProviderEFvvEPS4_JEvEEDTcldsdeclsr3stdE7declvalIT0_EEclsr3stdE7declvalIT_EEspclsr3stdE7declvalIT1_EEEEOS9_OS8_DpOSA + 116
35 RealmSwift 0x000000010957217c _ZNSt3__116__thread_executeB8ue170006INS_10unique_ptrINS_15__thread_structENS_14default_deleteIS2_EEEEMN5realm4sync9websocket21DefaultSocketProviderEFvvEJPS9_EJLm2EEEEvRNS_5tupleIJT_T0_DpT1_EEENS_15__tuple_indicesIJXspT2_EEEE + 48
36 RealmSwift 0x0000000109571e28 ZNSt3__114__thread_proxyB8ue170006INS_5tupleIJNS_10unique_ptrINS_15__thread_structENS_14default_deleteIS3_EEEEMN5realm4sync9websocket21DefaultSocketProviderEFvvEPSA_EEEEEPvSF + 84
37 libsystem_pthread.dylib 0x00000001e7f2d06c _pthread_start + 136
38 libsystem_pthread.dylib 0x00000001e7f280d8 thread_start + 8
!!! IMPORTANT: Please report this at https://github.com/realm/realm-core/issues/new/choose
Message from debugger: killed

Steps & Code to Reproduce

The error happens in ContentView when it calls foundSubscription.updateQuery. I will upload the zipped project. It's basically the to-do list template but with a different object type.
Share_client_20240619165748.zip

I am building and running for iPhone 14.
@sync-by-unito Sync by Unito
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sync-by-unito bot commented Jun 24, 2024

➤ PM Bot commented:

Jira ticket: RCORE-2180

@ScottThomasMiller
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I logged out of the app, and then created a new user account and logged in with the new account. The exception did not reoccur. I then logged out of the app again and logged in as the first user, and again the error did not reoccur.

It might have something to do with a bug in my code. In OpenRealmView() I had forgotten to change the onChange(of: showMyPosts) closure, to replace Constants.allItems with Contants.allPosts. After fixing the bug the closure now reads:

                .onChange(of: showMyPosts) { newValue in
                    let subs = realm.subscriptions
                    subs.update {
                        if newValue {
                            subs.remove(named: Constants.allPosts)
                        } else {
                            if subs.first(named: Constants.allPosts) == nil {
                                subs.append(QuerySubscription<Post>(name: Constants.allPosts))
                            }
                        }
                    }
                }

@ironage
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ironage commented Jul 4, 2024

@ScottThomasMiller thanks for reporting this. We have seen a similar case in #7798 where the exception being thrown comes from a callback in obj-c and our C++ exception handling doesn't yet support handling this. As you found out, it is likely due to a schema error; but it shouldn't be causing such a hard stop. Glad you figured out the bug on your end. For others who are experiencing this, please set an obj-c exception breakpoint in your debugger to inspect the error message of the cause, until we can add the appropriate error handling translation of a NSException in C++.

@ironage
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ironage commented Jul 4, 2024

Internal team context for an approach to the solution from execption_to_status
tgoyne: I think for ideal handling of this we want core to define a NSException subclass which holds a Status?
so that cocoa can try to preserve the original Status and have it round-trip properly

@jedelbo
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jedelbo commented Aug 14, 2024

@tgoyne ^

@tgoyne tgoyne mentioned this issue Aug 29, 2024
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@github-actions github-actions bot locked as resolved and limited conversation to collaborators Sep 29, 2024
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RCORE-2180 Add basic translation of NSExceptions to Status realm/realm-core
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@jedelbo @ironage @ScottThomasMiller