android SQLiteDatabase attempt to re-open an already-closed object:

08-23 16:05:54.900: E/AndroidRuntime(14178): FATAL EXCEPTION: Thread-38948
08-23 16:05:54.900: E/AndroidRuntime(14178): java.lang.IllegalStateException: attempt to re-open an already-closed object: SQLiteDatabase: /data/data/com.lmamdm.mobile/databases/huhuhu
08-23 16:05:54.900: E/AndroidRuntime(14178):  at android.database.sqlite.SQLiteClosable.acquireReference(SQLiteClosable.java:55)
08-23 16:05:54.900: E/AndroidRuntime(14178):  at android.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1366)
08-23 16:05:54.900: E/AndroidRuntime(14178):  at android.database.sqlite.SQLiteDatabase.rawQuery(SQLiteDatabase.java:1309)

 

 

哪位大侠知道这是什么错误？