首页 > 解决方案 > 运行程序后数据库表被锁定

问题描述

我需要向TBL_LOAN_DETAILS表中插入数据。当调用LoanDetails()这些数据需要插入到表中的方法时,InTBL_LOAN_DETAILS ID是自动递增的。在将数据插入到之后,TBL_LOAN_DETAILS我需要将该记录ID作为参数传递给另一个称为CribProcess()within 的方法LoanDetails()。在这再次经过一些计算/逻辑之后,我需要更新TBL_LOAN_DETAILS. 为了实现这一点,我使用了以下代码。(我无法在这里粘贴完整的代码,因为stackoverflow阻止了它,所以我使用pastebin)。我对该行程序设置了一个刹车点,该行 lAEntities.TBL_LOAN_DETAILS.Add(tBlLoanDetails);程序不在此行之后运行。lAEntities.SaveChanges();

我的部分代码:请使用链接检查我的完整代码。

public LoanDetailEntityResponse LoanDetails(string custId, string facilityType, string applyedDate, string currency,string RequiredLoanAmount,string RepaymentPeriod,
                                            string NIC,string CustName,string DateofBirth, string CommunicationAddress,string MobileNumber,string LoanPurpose,string Occupation,string NetIncome,string Expenses,string Education_qualification,
                                            string TypeOfEmployment,string GE_Emp_Category,string Emp_Period,string GE_Position,string PE_Existence, string PE_Position,string SE_Experience,string SE_Business_Nature, string ValueOfAssets,
                                            string SE_Bus_RegNoo_Availability, string SE_Maintain_Financial_Recode, List<LandPropertyAsset> AssetLandList, List<VehicleAsset> AssetVehicleList)
{

    var refNo = string.Empty;
    var response = new LoanDetailEntityResponse();

        var lAEntities = new LAEntities();
        DateTime appDate;
        DateTime DOB;
        using (var transaction = lAEntities.Database.BeginTransaction())
        {
                if (DateTime.TryParse(applyedDate, out appDate))
                 {
                    applyedDate = appDate.ToShortDateString();
                    if (DateTime.TryParse(DateofBirth, out DOB))
                    {
                        DateofBirth = DOB.ToShortDateString();

                         refNo = Common.GetSerialSequence("LOANREFERENCENO", transaction);

                        string approvalStatus = "";
                        int approvalId = 1;
                        decimal loanId = 0;

                        var tBlLoanDetails = new TBL_LOAN_DETAILS
                        {
                            CUSTID = custId,
                            REFNO = refNo,
                            FACILITY_TYPE = facilityType,
                            APPLIED_DATE = applyedDate,
                            CURRENCY = currency,
                            REQLOANAMOUNT = Convert.ToDecimal(RequiredLoanAmount),
                            REPAYMENTPERIOD = RepaymentPeriod,
                            NIC = NIC,
                            CUSTNAME = CustName,
                            DATEOFBIRTH = DateofBirth,
                            COMMUNICATIONADDRESS = CommunicationAddress,
                            MOBILENUMBER = MobileNumber,
                            PURPOSEOFLOAN = LoanPurpose,
                            OCCUPATION = Occupation,
                            NETINCOME = Convert.ToDecimal(NetIncome),
                            EXPENSES = Convert.ToDecimal(Expenses),
                            EDUCATION_QUALIFICATION = Education_qualification,
                            TYPEOFEMPLOYMENT = TypeOfEmployment,
                            GE_EMP_CATEGORY = Convert.ToInt32(GE_Emp_Category),
                            EMP_PERIOD = Convert.ToInt32(Emp_Period),
                            GE_POSITION = Convert.ToInt32(GE_Position),
                            PE_EXISTENCE = Convert.ToInt32(PE_Existence),
                            PE_POSITION = Convert.ToInt32(PE_Position),
                            SE_EXPERIENCE = Convert.ToInt32(SE_Experience),
                            SE_BUS_NATURE = Convert.ToInt32(SE_Business_Nature),
                            SE_BUS_REGNNO_AVAILABILITY = SE_Bus_RegNoo_Availability,
                            SE_MAINTAAIN_FINANTIAL_RECORD = SE_Maintain_Financial_Recode,
                            EMP_VALUEOFASSETS = Convert.ToInt32(ValueOfAssets),
                            LOAN_STATUS_ID = approvalId,
                            REPAYMENTSCORE = 0,
                            PROPOSED_LOAN_FACI_INSTA = 0,
                            EXSISTING_LOAN_FACI_INSTA = 0,
                            ODINTEREST = 0,
                            CREDITCARD = 0,
                            SURPLUS = 0,
                            LOAN_STATUS_DES = "",
                            ISACTIVE = 1,
                            CREATEDBY = "System",
                            CREATEDDATETIME = DateTime.Now,
                            MODIFIEDBY = "System",
                            MODIFIEDDATETIME = DateTime.Now
                        };
                        lAEntities.TBL_LOAN_DETAILS.Add(tBlLoanDetails);
                        lAEntities.SaveChanges();
                        //transaction.Commit();                         

                        var loanDetail = lAEntities.TBL_LOAN_DETAILS.FirstOrDefault(x => x.REFNO.Equals(refNo) && x.ISACTIVE == 1);
                        if (loanDetail != null)
                        {
                            loanId = loanDetail.ID;


                            // Call Crib process
                            AppSettingsReader configReader = new AppSettingsReader();
                            var chromeDriverUrl = (string)configReader.GetValue("ChromeDriverUrl", typeof(string));
                            var navigateUrl = (string)configReader.GetValue("CRIBNavigateUrl", typeof(string));
                            var userName = "";
                            var password = "";
                            CribAutoProcess ca = new CribAutoProcess();
                            int facilityID = int.Parse(loanId.ToString());
                            ca.CribProcess(navigateUrl, userName, password, facilityID, CustName, NIC, "Testing");

                        }
                        }
                }
        }
}

完整代码在这里

运行程序后,TBL_LOAN_DETAILS表得到锁定,这意味着,当我尝试使用 oracle sql developer 删除表时,此 oracle 错误消息显示。

ORA-00054: 资源繁忙并使用指定的 NOWAIT 获取或超时已过期

标签: c#asp.net-mvcoracletransactionsora-00054

解决方案


由于您正在使用事务,因此您需要执行 aCOMMITROLLBACK. 如果您不这样做,您当前遇到的错误将会发生,因为无论您是否使用了using关键字并且它已被处理,事务仍在使用该记录。

您可以做的删除锁是重新启动运行 oracle 的服务或终止 oracle 中持有锁的进程。之后,oracle 将执行自己的ROLLBACK进程,并且锁将消失。


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