下面是我的Windows服务代码。当我调试代码时,我得到错误/异常:

CSMessageUtility的类型初始化式。CSDetails抛出了一个异常。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.IO;
using System.Threading;
using System.Windows;
using System.Windows.Forms;
using CSMessageUtility;

namespace CS_Data_Trasmmiting_Service
{
    public partial class svcCSWinServ : ServiceBase
    {
        //private string sLogFormat;
        //private string sErrorTime;
        private Thread new_thread;
        Logger logObject = new Logger();
        private bool isenable = true;

        public svcCSWinServ()
        {
            InitializeComponent();
            logObject.append("Initialize Service " + DateTime.Now.ToString(), 70);
            CheckForAlarms();
        }

        protected override void OnStart(string[] args)
        {
            try
            {
                new_thread = new Thread(new ThreadStart(CheckForAlarms));
                new_thread.Start();
            }
            catch
            {
            }

            logObject.append("Service Started successfully " + DateTime.Now.ToString(), 70);
        }

        protected override void OnStop()
        {
            try
            {
                isenable = false;
                new_thread.Abort();
            }
            catch
            {

            }
            logObject.append("Service Stopped successfully " + DateTime.Now.ToString(), 70);
        }


        void CheckForAlarms()
        {
            try
            {
                while (true)
                {
                    //if((DateTime.Now.ToString("HH:mm") == "18:00"))
                    //{

                        logObject.append("Start Sending Data " +DateTime.Now.ToString(), 70);
                        try
                        {
                            //SendAllInfo();
                            string str = CSMessageUtility.CSDetails.createDHSMessageFormat();
                            Thread.Sleep(2000);
                            string str1 = CSMessageUtility.CSDetails.createEALMessageFormat();
                            Thread.Sleep(2000);
                            string str2 = CSMessageUtility.CSDetails.createProductStatusMessageForamt();
                            Thread.Sleep(2000);
                            string str3 = CSMessageUtility.CSDetails.createEODMessageFormat();
                            Thread.Sleep(2000);
                            string str4 = CSDetails.createProductReceiptEntryatBOSMessageFormat();
                            Thread.Sleep(2000);
                            string str5 = CSMessageUtility.CSDetails.createProductSaleMessageFormat();
                            Thread.Sleep(2000);
                            string str6 = CSMessageUtility.CSDetails.createTotalizerExceptionMessageFormat();
                            Thread.Sleep(2000);
                            //CSMessageUtility.CSDetails.createDailyCOtransferMessageFormat();
                            //Thread.Sleep(2000);

                        }
                        catch (Exception ee)
                        {
                            logObject.append(ee.Message, 70);
                        }
                        logObject.append("Finished Sending Data " +DateTime.Now.ToString(), 70);
                        Thread.Sleep(3000);
                    //}
                    //Thread.Sleep(20000);
                }
            }
            catch (Exception ex)
            {
                logObject.append("Thread Exception: "+ ex.Message + " "+ DateTime.Now.ToString(), 70);

                try
                {
                    new_thread.Abort();
                }
                catch (Exception ex1)
                {
                    logObject.append("Thread Exception: " +ex1.Message + " " + DateTime.Now.ToString(), 70);
                }

                if (isenable == true)
                {
                    new_thread = new Thread(new ThreadStart(CheckForAlarms));
                    new_thread.Start();
                }
            }
        }
    }
}

当前回答

字典键应该是唯一的!

在我的例子中,我正在使用一个字典,我发现其中有两个项目偶然有相同的键。

Dictionary<string, string> myDictionary = new Dictionary<string, string>() {
            {"KEY1", "V1"},
            {"KEY1", "V2" },
            {"KEY3", "V3"},
        };

其他回答

类似穆罕默德·伊克巴尔所说的…我在一个VB。NET(也可能是c#)项目,其中我从App.config中删除了一个键值对,它由一个全局变量引用到模块Main的Sub Main()。因此,异常(和break)在子Main()之前发生在Module Main中。如果我在Dim上有断点就好了,但我们通常不会在全局变量上中断。也许一个很好的理由不声明全局引用App.config?换句话说,这个…

类型为“System”的未处理异常。在未知模块中发生TypeInitializationException'。 命名空间的类型初始化式。Main'抛出了一个异常。

是由……

App.config

<connectionStrings>
    <!--<add name="ConnectionString1" connectionString="..." />-->

主模块

Module Main
    Dim cnnString As String = ConfigurationManager.ConnectionStrings("ConnectionString1")  '<-- BREAK HERE (EXCEPTION)

    Sub Main()

        // main code

    End Main
End Module

In my case, I had a helper class that was static. In that class was a method to initialize a SqlCommand dependent on variables. As this was being called in several places I moved it to the helper class and called as needed, so this method was also static. Now I had a global property that was the connection string in Global.asax pointing to the connection string in web.config. Intermittently I would get "The type initializer for 'Helper' threw an exception". If I moved the method from the Helper class to the class where it was being called from all was good. The inner exception complained of the object being null (Helper class). What I did was add Using Helper to Global.asax and even though it was not being used by Global.asax this solved the problem.

我也遇到过同样的问题,因为有两个相同的配置属性(与app.config匹配):

[ConfigurationProperty("TransferTimeValidity")]

在WPF项目中有一个类似的案例。我的问题是这样写的:

DataTable myTable = FillTable(strMySqlQuery);

FillTable()返回一个基于SQL查询字符串的数据表。如果我做了“复制例外到剪贴板”选项,我认为它是,并粘贴到记事本,我可以看到消息。对我来说,它是输入不是一个有效的Base-64字符串,因为它包含一个非Base-64字符。

My actual problem wasn't that the query string had something that shouldn't be there, like I was thinking, because string strMySqlQuery = "SELECT * FROM My_Table" was my string and thought it could be the * or _, but the actual problem was in FillTable(), where I had a call to another function, GetConnection() that returned an OracleConnection object, in order to open it and retrieve and return the DataTable. Inside GetConnection() I was getting the app.config parameters for my connection string, and I had one of them misnamed, so it was setting a null value for the service account's password and not making the DB connection. So it's not always where the error is exactly correct for all circumstances. Best to dive into the function where the error is and debug step-by-step and ensure all values are getting filled with what you expect.

我有一个不同但仍然相关的配置。

可能是在configSections中没有声明的自定义配置部分。

只需声明该节,错误就会自行解决。