更新后1.9.1一直无法正常运行 #409
Description
更新后一直闪，报错：java.lang.IllegalStateException: A migration from 12 to 11 was required but not found. Please provide the necessary Migration path via RoomDatabase.Builder.addMigration(Migration ...) or allow for destructive migrations via one of the RoomDatabase.Builder.fallbackToDestructiveMigration* methods.
at androidx.room.RoomOpenHelper.onUpgrade(RoomOpenHelper.kt:109)
at androidx.room.RoomOpenHelper.onDowngrade(RoomOpenHelper.kt:122)
at androidx.sqlite.db.framework.FrameworkSQLiteOpenHelper$OpenHelper.onDowngrade(FrameworkSQLiteOpenHelper.kt:277)
at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:435)
at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:336)
at androidx.sqlite.db.framework.FrameworkSQLiteOpenHelper$OpenHelper.getWritableOrReadableDatabase(FrameworkSQLiteOpenHelper.kt:232)
at androidx.sqlite.db.framework.FrameworkSQLiteOpenHelper$OpenHelper.innerGetDatabase(FrameworkSQLiteOpenHelper.kt:190)
at androidx.sqlite.db.framework.FrameworkSQLiteOpenHelper$OpenHelper.getSupportDatabase(FrameworkSQLiteOpenHelper.kt:151)
at androidx.sqlite.db.framework.FrameworkSQLiteOpenHelper.getWritableDatabase(FrameworkSQLiteOpenHelper.kt:104)
at androidx.room.RoomDatabase.inTransaction(RoomDatabase.kt:632)
at androidx.room.RoomDatabase.assertNotSuspendingTransaction(RoomDatabase.kt:451)
at androidx.room.RoomDatabase.query(RoomDatabase.kt:480)
at androidx.room.util.DBUtil.query(DBUtil.kt:75)
at com.ai.assistance.operit.data.db.ProblemDao_Impl$15.call(ProblemDao_Impl.java:657)
at com.ai.assistance.operit.data.db.ProblemDao_Impl$15.call(ProblemDao_Impl.java:653)
at androidx.room.CoroutinesRoom$Companion$execute$4$job$1.invokeSuspend(CoroutinesRoom.kt:87)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:101)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1156)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:651)
at java.lang.Thread.run(Thread.java:1119)
Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelling}@4bc0123, Dispatchers.IO]
AI说报错原因：这是一个 Room 数据库降级（Downgrade） 错误。您的设备上数据库版本是 12，但当前代码中的数据库版本是 11，Room 检测到版本回退但没有找到降级迁移策略。