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  1. Realm Core
  2. RCORE-292

RealmFileException: Unable to open a realm at path *** Top ref not aligned (593969)

      Goal

      fix crash

      Actual Results

      crash stack

      Caused by: io.realm.exceptions.RealmFileException: Unable to open a realm at path '/data/data/package/files/default.realm': Top ref not aligned (593969). top_ref[0]: 91031, top_ref[1]: 90F88, mnemonic: 54 2D 44 42, fmt[0]: 9, fmt[1]: 9, flags: 0 Path:. (Top ref not aligned (593969). top_ref[0]: 91031, top_ref[1]: 90F88, mnemonic: 54 2D 44 42, fmt[0]: 9, fmt[1]: 9, flags: 0 Path: /data/data/package/files/default.realm) (/data/data/package/files/default.realm) in /Users/Nabil/Dev/realm/master4/realm-java/realm/realm-library/src/main/cpp/io_realm_internal_OsSharedRealm.cpp line 101 Kind: ACCESS_ERROR.
      at io.realm.internal.OsSharedRealm.nativeGetSharedRealm(Native Method)
      at io.realm.internal.OsSharedRealm.<init>(SourceFile:171)
      at io.realm.internal.OsSharedRealm.getInstance(SourceFile:241)
      at io.realm.internal.OsSharedRealm.getInstance(SourceFile:231)
      

      Steps & Code to Reproduce

      We can not reproduce it. It happens to a user.

      code:

       RealmConfiguration build =
                     new RealmConfiguration.Builder()
                             .schemaVersion(SCHEMA_VERSION)
                             .migration(new CustomRealmMigration())
                             .compactOnLaunch()
                             .build();
       Realm.setDefaultConfiguration(build);
      
       Realm.getDefaultInstance();
      

      Version of Realm and tooling

      Realm version(s): 5.13.0

      Realm Sync feature enabled: No

      Android Studio version: 3.62

      Android Build Tools version: 29.0.3

      Gradle version: 4.10.1

      Which Android version and device(s): Samsung Galaxy Note 9、 Android 10.0

            Assignee:
            finn.schiermer-andersen@mongodb.com Finn Andersen (Inactive)
            Reporter:
            unitosyncbot Unito Sync Bot
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            Watchers:
            2 Start watching this issue

              Created:
              Updated:
              Resolved: