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uncaught exception in notifier thread: N5realm10LogicErrorE: Bad version number #4369

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vadimbryl opened this issue Mar 23, 2017 · 20 comments
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@vadimbryl
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vadimbryl commented Mar 23, 2017

Steps & Code to Reproduce

Unfortunately, don't have any specific steps or code sample to reproduce. It is just randomly crash and it sometimes crashes in different places, but we cannot get it in Realm v2.3.1.

I found similar issue in realm-cocoa @ realm/realm-swift#4422.

Version of Realm and tooling

Realm version(s): 3.0.0

Realm sync feature enabled: no

Android Studio version: 2.3

Which Android version and device: Android 7.1.1 on Nexus 5X, Android 4.3 on Samsung S3 GT-I9300, Emulator Android

Logcat

03-29 18:15:00.773 27003-27038 E/REALM: uncaught exception in notifier thread: N5realm10LogicErrorE: Bad version number
--------- beginning of crash
03-29 18:15:00.776 27003-27038 A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 27038 (-//-)
[ 03-29 18:15:00.785 367: 367 W/] debuggerd: handling request: pid=27003 uid=10376 gid=10376 tid=27038
03-29 18:15:01.005 27758-27758 A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
03-29 18:15:01.005 27758-27758 A/DEBUG: Build fingerprint: 'google/bullhead/bullhead:7.1.1/N4F26I/3532671:user/release-keys'
03-29 18:15:01.005 27758-27758 A/DEBUG: Revision: 'rev_1.0'
03-29 18:15:01.005 27758-27758 A/DEBUG: ABI: 'arm'
03-29 18:15:01.005 27758-27758 A/DEBUG: pid: 27003, tid: 27038, name: -//- >>> -//- <<<
03-29 18:15:01.005 27758-27758 A/DEBUG: signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
03-29 18:15:01.005 27758-27758 A/DEBUG: r0 00000000 r1 0000699e r2 00000006 r3 00000008
03-29 18:15:01.005 27758-27758 A/DEBUG: r4 e3e69978 r5 00000006 r6 e3e69920 r7 0000010c
03-29 18:15:01.005 27758-27758 A/DEBUG: r8 ff9c25c4 r9 decde3cc sl d106275c fp e3e698f4
03-29 18:15:01.005 27758-27758 A/DEBUG: ip 00000011 sp e3e69888 lr ec867557 pc ec869db4 cpsr 200f0010
03-29 18:15:01.015 27758-27758 A/DEBUG: backtrace:
03-29 18:15:01.017 27758-27758 A/DEBUG: #00 pc 00049db4 /system/lib/libc.so (tgkill+12)
03-29 18:15:01.017 27758-27758 A/DEBUG: #1 pc 00047553 /system/lib/libc.so (pthread_kill+34)
03-29 18:15:01.017 27758-27758 A/DEBUG: #2 pc 0001d8a5 /system/lib/libc.so (raise+10)
03-29 18:15:01.017 27758-27758 A/DEBUG: #3 pc 000193f1 /system/lib/libc.so (__libc_android_abort+34)
03-29 18:15:01.017 27758-27758 A/DEBUG: #4 pc 00017034 /system/lib/libc.so (abort+4)
03-29 18:15:01.017 27758-27758 A/DEBUG: #5 pc 0015d938 /data/app/{package}/base.apk (offset 0x1689000)
03-29 18:15:01.017 27758-27758 A/DEBUG: #6 pc 001307ec /data/app/{package}/base.apk (offset 0x1689000)
03-29 18:15:01.017 27758-27758 A/DEBUG: #7 pc 0013088c /data/app/{package}/base.apk (offset 0x1689000)
03-29 18:15:01.017 27758-27758 A/DEBUG: #8 pc 0015c828 /data/app/{package}/base.apk (offset 0x1689000)
03-29 18:15:01.017 27758-27758 A/DEBUG: #9 pc 00047023 /system/lib/libc.so (_ZL15__pthread_startPv+22)
03-29 18:15:01.017 27758-27758 A/DEBUG: #10 pc 00019e3d /system/lib/libc.so (__start_thread+6)
03-29 18:15:03.357 881-27759 W/ActivityManager: Force finishing activity *.MainActivity

@Zhuinden
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Zhuinden commented Mar 23, 2017

They claim to have fixed it in realm/realm-object-store#355 but if this happens in Realm 3.0.0 (and also Realm-Cocoa 2.4.2+?) then I guess it's not entirely fixed yet...?

@pigeondev2
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Sorry for making a mess with the tags. Thanks for reporting this, @vadimbryl. I'll have someone look over what you've provided and follow-up with you.

@bmeike
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bmeike commented Mar 23, 2017

Hey @vadimbryl ! Thanks for sending this. If you can provide any more information about how to reproduce it, that would be awesome.

@cmelchior
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@vadimbryl We did a bigger refactoring in 3.0.0 to support the fine grained collection notifications. Which is why this error cannot happen in 2.3.1.

But any clue on how to reproduce this would be much appreciated. If you can trigger this somewhat consistently with your own project, are you able to share that project? It can be done privately through help@realm.io.

@Zhuinden
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This could be an error in object store. Somehow.

@cmelchior
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There is no doubt it is in the Object Store, but finding it without being able to reproduce it will be very hard.

@vadimbryl vadimbryl reopened this Mar 24, 2017
@vadimbryl
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@cmelchior I sent more information to help@realm.io

@beeender
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I can reproduce your issue. Checking now.

beeender added a commit to realm/realm-object-store that referenced this issue Mar 31, 2017
realm/realm-swift#4768
realm/realm-java#4369

When m_notifiers is empty, m_notifier_sg will be advanced to the latest.
But the skip_version might be behind. In this case, bad_version will be
throw when calling advance_to_final().
@beeender
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Should be fixed by realm/realm-object-store#424 waiting for review & release.

@beeender beeender added this to the 3.1 milestone Mar 31, 2017
tgoyne pushed a commit to realm/realm-object-store that referenced this issue Mar 31, 2017
* Fix bad_version when m_notifiers is empty

realm/realm-swift#4768
realm/realm-java#4369

When m_notifiers is empty, m_notifier_sg will be advanced to the latest.
But the skip_version might be behind. In this case, bad_version will be
throw when calling advance_to_final().

* Add a test which reproduces the problem
beeender added a commit that referenced this issue Apr 4, 2017
to 3b6c0f6110.
Fix #4369
beeender added a commit that referenced this issue Apr 4, 2017
to 3b6c0f6110.
Fix #4369
beeender added a commit that referenced this issue Apr 4, 2017
@muthuraj57
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muthuraj57 commented Jun 21, 2017

Hi, Is the fix released yet? I'm using 3.3.2 and I'm experiencing this issue now

Logcat

06-21 17:56:28.340 25639-25688/app.package.name E/REALM: uncaught exception in notifier thread: N5realm11SharedGroup10BadVersionE: std::exception
                                                           
                                                           
                                                           --------- beginning of crash
06-21 17:56:28.420 26854-25688/? A/google-breakpad: Microdump skipped (uninteresting)
06-21 17:56:28.452 25639-25688/app.package.name W/google-breakpad: ### ### ### ### ### ### ### ### ### ### ### ### ###
06-21 17:56:28.452 25639-25688/app.package.name W/google-breakpad: Chrome build fingerprint:
06-21 17:56:28.452 25639-25688/app.package.name W/google-breakpad: 1.0
06-21 17:56:28.452 25639-25688/app.package.name W/google-breakpad: 1
06-21 17:56:28.452 25639-25688/app.package.name W/google-breakpad: ### ### ### ### ### ### ### ### ### ### ### ### ###
06-21 17:56:28.452 25639-25688/app.package.name A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 25688 (.package.name)
                                                          
                                                          [ 06-21 17:56:28.452   573:  573 W/         ]
                                                          debuggerd: handling request: pid=25639 uid=10296 gid=10296 tid=25688
06-21 17:56:28.469 26861-26861/? W/debuggerd64: type=1400 audit(0.0:26968): avc: denied { search } for name="com.google.android.gms" dev="sda35" ino=4898902 scontext=u:r:debuggerd:s0 tcontext=u:object_r:app_data_file:s0:c512,c768 tclass=dir permissive=0
06-21 17:56:28.469 26861-26861/? W/debuggerd64: type=1400 audit(0.0:26969): avc: denied { search } for name="com.google.android.gms" dev="sda35" ino=2162941 scontext=u:r:debuggerd:s0 tcontext=u:object_r:app_data_file:s0:c512,c768 tclass=dir permissive=0
06-21 17:56:28.473 26861-26861/? W/debuggerd64: type=1400 audit(0.0:26970): avc: denied { search } for name="com.google.android.gms" dev="sda35" ino=4898902 scontext=u:r:debuggerd:s0 tcontext=u:object_r:app_data_file:s0:c512,c768 tclass=dir permissive=0
06-21 17:56:28.538 26861-26861/? A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
06-21 17:56:28.538 26861-26861/? A/DEBUG: Build fingerprint: 'google/sailfish/sailfish:7.1.2/NJH47B/4021576:user/release-keys'
06-21 17:56:28.538 26861-26861/? A/DEBUG: Revision: '0'
06-21 17:56:28.539 26861-26861/? A/DEBUG: ABI: 'arm64'
06-21 17:56:28.539 26861-26861/? A/DEBUG: pid: 25639, tid: 25688, name: .package.name  >>> app.package.name <<<
06-21 17:56:28.539 26861-26861/? A/DEBUG: signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
06-21 17:56:28.539 26861-26861/? A/DEBUG:     x0   0000000000000000  x1   0000000000006458  x2   0000000000000006  x3   0000000000000008
06-21 17:56:28.539 26861-26861/? A/DEBUG:     x4   0000000000000002  x5   0000000000000000  x6   0000000000008080  x7   6277643939637372
06-21 17:56:28.539 26861-26861/? A/DEBUG:     x8   0000000000000083  x9   ffffffffffffffdf  x10  0000000000000000  x11  0000000000000001
06-21 17:56:28.539 26861-26861/? A/DEBUG:     x12  ffffffffffffffff  x13  ffffffffffffffff  x14  0000000000000000  x15  ffffffffffffffff
06-21 17:56:28.539 26861-26861/? A/DEBUG:     x16  00000070b723dee0  x17  00000070b71e72e4  x18  000000007150dbdc  x19  000000709ade14f8
06-21 17:56:28.539 26861-26861/? A/DEBUG:     x20  0000000000000006  x21  000000709ade1450  x22  0000000000000011  x23  00000070af07d340
06-21 17:56:28.539 26861-26861/? A/DEBUG:     x24  000000709ade14d0  x25  00000000000fd000  x26  e60d101a1ca451af  x27  0000000000000011
06-21 17:56:28.539 26861-26861/? A/DEBUG:     x28  0000007ffe544c50  x29  000000709ade12e0  x30  00000070b71e478c
06-21 17:56:28.539 26861-26861/? A/DEBUG:     sp   000000709ade12c0  pc   00000070b71e72ec  pstate 0000000060000000
06-21 17:56:28.552 26861-26861/? A/DEBUG: backtrace:
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #00 pc 000000000006b2ec  /system/lib64/libc.so (tgkill+8)
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #01 pc 0000000000068788  /system/lib64/libc.so (pthread_kill+64)
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #02 pc 0000000000023ce8  /system/lib64/libc.so (raise+24)
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #03 pc 000000000001c76c  /system/lib64/libc.so (abort+52)
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #04 pc 000000000021e6a4  /data/app/app.package.name-1/lib/arm64/librealm-jni.so (_ZN9__gnu_cxx27__verbose_terminate_handlerEv+348)
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #05 pc 00000000001f0e48  /data/app/app.package.name-1/lib/arm64/librealm-jni.so (_ZN10__cxxabiv111__terminateEPFvvE+8)
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #06 pc 00000000001f0eb4  /data/app/app.package.name-1/lib/arm64/librealm-jni.so (_ZSt9terminatev+12)
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #07 pc 000000000021d44c  /data/app/app.package.name-1/lib/arm64/librealm-jni.so
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #08 pc 0000000000067f90  /system/lib64/libc.so (_ZL15__pthread_startPv+196)
06-21 17:56:28.552 26861-26861/? A/DEBUG:     #09 pc 000000000001d980  /system/lib64/libc.so (__start_thread+16)

@beeender
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@muthuraj57 can you reproduce this issue? if you can, would you please send your apk to help@realm.io and let us know the steps to reproduce the issue? thanks.

@muthuraj57
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muthuraj57 commented Jun 21, 2017

@beeender I'm getting this crash consistently in a specific activity on my project. I'll try to extract that module alone in a new project and reproduce it.

@krummler
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krummler commented Jul 4, 2017

Having the same issue, was on 3.0.0, upgraded to 3.4.0, problem persists.
For me, specifically, it seems to happen after a clean install of the app;

  • Install the app
  • database gets initialized
  • initial calls work fine (database gets populated)
  • after that; calling a commitTransaction from pretty much any place crashes the app
  • After a relaunch, database is still in tact, now all code seems to work as expected.

Typical crashlog:

07-04 16:37:52.568 20132-20205/com.appname E/REALM: uncaught exception in notifier thread: N5realm11SharedGroup10BadVersionE: std::exception
                                                                     
                                                                     --------- beginning of crash
07-04 16:37:52.568 20132-20205/com.appname A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 20205 (.com.appname)
                                                                    
                                                                    [ 07-04 16:37:52.568  1319: 1319 W/         ]
                                                                    debuggerd: handling request: pid=20132 uid=10100 gid=10100 tid=20205
07-04 16:37:52.625 21058-21058/? A/DEBUG: pid: 20132, tid: 20205, name: .com.appname  >>> com.appname <<<
07-04 16:37:52.626 21058-21058/? A/DEBUG:     #05 pc 00230424  /data/app/com.appname-1/lib/x86/librealm-jni.so (_ZN9__gnu_cxx27__verbose_terminate_handlerEv+452)
07-04 16:37:52.626 21058-21058/? A/DEBUG:     #06 pc 001fdab7  /data/app/com.appname-1/lib/x86/librealm-jni.so (_ZN10__cxxabiv111__terminateEPFvvE+23)
07-04 16:37:52.626 21058-21058/? A/DEBUG:     #07 pc 001fdb4f  /data/app/com.appname-1/lib/x86/librealm-jni.so (_ZSt9terminatev+31)
07-04 16:37:52.626 21058-21058/? A/DEBUG:     #08 pc 0022f03d  /data/app/com.appname-1/lib/x86/librealm-jni.so
07-04 17:08:05.451 21058-21058/? E/audit: type=1701 msg=audit(1499180885.451:277): auid=4294967295 uid=10273 gid=10273 ses=4294967295 subj=u:r:untrusted_app:s0:c512,c768 pid=7522 comm=".com.appname" reason="memory violation" sig=6

@beeender
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beeender commented Jul 5, 2017

@krummler Is it possible for you to reproduce this issue with a sample project? If it is difficult to reproduce it with a sample project, is it OK to share your apk with us and let us know how to reproduce it? you can send you apk to help@realm.io.

@krummler
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krummler commented Jul 5, 2017

@beeender After some more searching I managed to figure out my problem.

It seemed on some circumstances my app triggered a task to remove local files (including the Realm file). This will result this previously mentioned crash if you:

  • initialize the realm
  • run some query (doesn't have to return data, but it's needed to trigger the crash)
  • delete the realm file
  • start & commit a transaction (can be empty)

I would expect realm to misbehave, but the particular error seems very confusing.

You can find a sample project here: https://github.com/krummler/realmcrashexample
Just run it to see the crash

@beeender
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beeender commented Jul 5, 2017

@krummler Glad to know the problem has been identified !!! I checked your project and thought about to make a better error message. But It seems to be difficult. The major thing is checking the file existence/valid on some hot code path may slow down things a lot ...
But this information is very interesting!! I don't know deleting files when async query alive could lead to a badversion error. Thanks a lot for reporting this!

@krummler
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krummler commented Jul 5, 2017

@beeender you are very welcome! 😄 I didn't know the query runs asynchronously, that clears things up a bit.
If I figure out any other details it'll be sure to get back to you.

@pavel-ismailov
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I get this crash in 4.1.0
When I configure Realm in following way:

 Realm.setDefaultConfiguration(new RealmConfiguration.Builder()
                .directory(realmDirectory)
                .name(Constants.Db.NAME)
                .schemaVersion(Constants.Db.VERSION)
                .build()
        );

And directory is placed on external storage - getExternalFilesDir(null)
The crash is happened when I query my objects and write it to file as json.
If I commented configuration and realm is working with internal storage than I don't have this crash.

UPDATE: I found a fix when writing this message =)
I used this method to extract objects, where I transformed RealmResults to array of objects

RealmList<***> objects = new RealmList<>();
        objects.addAll(Realm.getDefaultInstance()
                .where(***.class)
                .findAllSorted(***.FIELD_POSITION));
        return objects;

Now I switched to RealmResults and use them to get non-manager objects to write it to json file.
And it works!

Reproduced on 7.1.1 and 6.0. And I get different logs on these devices:
Logs from 6.0 (emulator):

10-24 11:42:40.525 3589-3671/com.***.android E/REALM_JNI: jni: ThrowingException 7, std::exception in /home/cc/repo/realm/release/realm/realm-library/src/main/cpp/io_realm_internal_Collection.cpp line 130, .
10-24 11:42:40.525 3589-3671/com.***.android E/REALM_JNI: Exception has been thrown: std::exception in /home/cc/repo/realm/release/realm/realm-library/src/main/cpp/io_realm_internal_Collection.cpp line 130
10-24 11:42:40.549 3589-3671/com.***.android E/AndroidRuntime: FATAL EXCEPTION: IntentService[BackupService]
                                                                   Process: com.***.android, PID: 3589
                                                                   io.realm.internal.async.BadVersionException: std::exception in /home/cc/repo/realm/release/realm/realm-library/src/main/cpp/io_realm_internal_Collection.cpp line 130
                                                                       at io.realm.internal.Collection.nativeGetRow(Native Method)
                                                                       at io.realm.internal.Collection.getUncheckedRow(Collection.java:356)
                                                                       at io.realm.internal.Collection$Iterator.get(Collection.java:118)
                                                                       at io.realm.internal.Collection$Iterator.next(Collection.java:83)
                                                                       at java.util.AbstractCollection.addAll(AbstractCollection.java:76)
                                                                       at com.***.android.db.Db.getObjects()

Trace from 7.1.1

10-24 10:45:31.327 32549-32658/com.***.android E/REALM: uncaught exception in notifier thread: N5realm11SharedGroup10BadVersionE: std::exception
10-24 10:45:31.331 32549-32658/com.***.android A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 32658 (***.android)
10-24 10:45:31.423 792-792/? A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
10-24 10:45:31.424 792-792/? A/DEBUG: UUID: ce00e632-55b7-445a-8e76-e6bf9bcde863
10-24 10:45:31.424 792-792/? A/DEBUG: Build fingerprint: 'Sony/E5823/E5823:7.1.1/32.4.A.1.54/3761073091:user/release-keys'
10-24 10:45:31.424 792-792/? A/DEBUG: Revision: '0'
10-24 10:45:31.424 792-792/? A/DEBUG: ABI: 'arm64'
10-24 10:45:31.424 792-792/? A/DEBUG: pid: 32549, tid: 32658, name: ***.android  >>> com.***.android <<<
10-24 10:45:31.425 792-792/? A/DEBUG: signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
10-24 10:45:31.425 792-792/? A/DEBUG:     x0   0000000000000000  x1   0000000000007f92  x2   0000000000000006  x3   0000000000000008
10-24 10:45:31.425 792-792/? A/DEBUG:     x4   0000000000000002  x5   0000000000000000  x6   0000000000008080  x7   6277643939637372
10-24 10:45:31.425 792-792/? A/DEBUG:     x8   0000000000000083  x9   ffffffffffffffdf  x10  0000000000000000  x11  0000000000000001
10-24 10:45:31.425 792-792/? A/DEBUG:     x12  ffffffffffffffff  x13  ffffffffffffffff  x14  0000000000000000  x15  2e8ba2e8ba2e8ba3
10-24 10:45:31.425 792-792/? A/DEBUG:     x16  0000007fb3748ed8  x17  0000007fb36f6968  x18  000000007267e138  x19  0000007f89d204f8
10-24 10:45:31.425 792-792/? A/DEBUG:     x20  0000000000000006  x21  0000007f89d20450  x22  0000000000000011  x23  0000007fb0064050
10-24 10:45:31.425 792-792/? A/DEBUG:     x24  0000007f89d204d0  x25  00000000000fd000  x26  760b8f71d0a49811  x27  000000000000000d
10-24 10:45:31.426 792-792/? A/DEBUG:     x28  0000007fcc6aba10  x29  0000007f89d202e0  x30  0000007fb36f3df8
10-24 10:45:31.426 792-792/? A/DEBUG:     sp   0000007f89d202c0  pc   0000007fb36f6970  pstate 0000000060000000
10-24 10:45:31.445 792-792/? A/DEBUG: backtrace:
10-24 10:45:31.445 792-792/? A/DEBUG:     #00 pc 000000000006b970  /system/lib64/libc.so (tgkill+8)
10-24 10:45:31.446 792-792/? A/DEBUG:     #01 pc 0000000000068df4  /system/lib64/libc.so (pthread_kill+64)
10-24 10:45:31.446 792-792/? A/DEBUG:     #02 pc 0000000000024290  /system/lib64/libc.so (raise+24)
10-24 10:45:31.446 792-792/? A/DEBUG:     #03 pc 000000000001ccac  /system/lib64/libc.so (abort+52)
10-24 10:45:31.446 792-792/? A/DEBUG:     #04 pc 0000000000243554  /data/app/com.***.android-1/lib/arm64/librealm-jni.so (_ZN9__gnu_cxx27__verbose_terminate_handlerEv+348)
10-24 10:45:31.446 792-792/? A/DEBUG:     #05 pc 0000000000216d70  /data/app/com.***.android-1/lib/arm64/librealm-jni.so (_ZN10__cxxabiv111__terminateEPFvvE+8)
10-24 10:45:31.446 792-792/? A/DEBUG:     #06 pc 0000000000216ddc  /data/app/com.***.android-1/lib/arm64/librealm-jni.so (_ZSt9terminatev+12)
10-24 10:45:31.446 792-792/? A/DEBUG:     #07 pc 00000000002422c8  /data/app/com.***.android-1/lib/arm64/librealm-jni.so
10-24 10:45:31.446 792-792/? A/DEBUG:     #08 pc 00000000000685fc  /system/lib64/libc.so (_ZL15__pthread_startPv+196)
10-24 10:45:31.446 792-792/? A/DEBUG:     #09 pc 000000000001def0  /system/lib64/libc.so (__start_thread+16)
10-24 10:45:32.881 825-825/? E/nativedumper:FW:  parser.c(74): Failed to find expected node from: //mem_desc[@path]
10-24 10:45:32.937 825-825/? E/nativedumper:FW:  utils.c(256): mkdir (/data/crashdata) failed. File exists
10-24 10:45:32.945 825-825/? E/nativedumper:FW:  ramdump_framework.c(317): fp is NULL
10-24 10:45:32.945 825-825/? E/nativedumper:FW:  ramdump_framework.c(498): Read-only file system

@Zhuinden
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Realm.getDefaultInstance().where

That's a time bomb (unclosed Realm instance)

@beeender
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@pavel-ismailov I created a new issue #5459 to track this. Looks like a regression somewhere.

Can you share your project which can reproduce the issue? a minimal project will be perfect. you can send it to help@realm.io if you want to share it privately.

Let's discuss under #5459

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