#fixed code
                                public PocMeetingRound getCurrentRound() {
        List<Account> accountList = accountService.getAccountList();
        currentRound.calcLocalPacker(accountList);
        return currentRound;
    }
#vulnerable code 
                                public PocMeetingRound getCurrentRound() {
        if (needReSet) {
            return null;
        }
        List<Account> accountList = accountService.getAccountList();
        currentRound.calcLocalPacker(accountList);
        return currentRound;
    } 
                            #location 2 
                            #vulnerability type THREAD_SAFETY_VIOLATION