例外信息

cannot open file at line 30176 of [00bb9c9ce4]
 (14) os_unix.c:30176: (24) open(/data/data/c/databases/pos-db-journal) - 
 (14) cannot open file at line 30176 of [00bb9c9ce4]
 (14) os_unix.c:30176: (24) open(/data/data/c/pos-db-journal) - 
 (14) statement aborts at 14: [SELECT T."_id",T."PRINTDATA",T."POSITION",T."DOUBLEFORMAT",
 T."PRINTERMODE",T."INSERTTIME" FROM "PRINT_DATA_ITEM" T] unable to open database file
 E/SQLiteQuery: exception: unable to open database file (code 14); query: SELECT T."_id",T.
 "PRINTDATA",T."POSITION",T."DOUBLEFORMAT",T."PRINTERMODE",T."INSERTTIME" FROM "PRINT_DATA_ITEM" T

零件代码:

 private PrinterTask(Context context) {
        this.mContext = context;
        helper = new DaoMaster.DevOpenHelper(context, "pos-db", null);
        db = helper.getWritableDatabase();
        mDaoMaster = new …