问题Trace:
java.lang.ExceptionInInitializerError
at vL.w(Unknown Source:3)
at xe.k(Unknown Source:8)
at WE.run(Unknown Source:112)
at T1.run(Unknown Source:29)
at V91.run(Unknown Source:2)
at Xw.run(Unknown Source:95)
Suppressed: wD: [Z41{Cancelling}@1c88ae3, Dispatchers.IO]
Caused by: java.lang.IllegalStateException: A migration from 17 to 16 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 uR0.g(Unknown Source:401)
at uR0.e(Unknown Source:0)
at TY.onDowngrade(Unknown Source:14)
at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:414)
at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:316)
at TY.f(Unknown Source:4)
at TY.j(Unknown Source:63)
at TY.b(Unknown Source:23)
at UY.r0(Unknown Source:9)
at rR0.c(Unknown Source:10)
at DH.a(Unknown Source:142)
at DH.call(Unknown Source:10)
at nx.w(Unknown Source:7)
at xe.k(Unknown Source:8)
at WE.run(Unknown Source:112)
at Mb.run(Unknown Source:292)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1137)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:637)
at java.lang.Thread.run(Thread.java:1012)