异常处理方式

C# 异常

异常情景

 错误提示

2020-02-26 14:43:55,528 线程ID: [47] 耗时:[611] ERROR>> [出错类:PassTrain.BLL.Train_BLL;出错消息:Aitest_Review_PushMarkResultByReviewClouds]
System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
   at PassTrain.Exercise.ReviewSocket_Basic.SendReviewData(String JsonData, String UserId)
   at PassTrain.BLL.Train_BLL.Aitest_Review_PushMarkResultByReviewClouds(Object info)

出现错误情况

字典一旦赋了键值便不能够在循环里面进行修改/删除等操作,只能获取

解决方法

可以将foreach循环修改改为for循环

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异常情景:

错误提示:

2020-02-26 18:44:54,993 线程ID: [8] 耗时:[70] ERROR>> 开启日志文件的配置时异常==>
System.NullReferenceException: Object reference not set to an instance of an object.
   at PassTrain.Helper.LogHelper.setlogEnable()

出现错误情况:

未做空处理

解决方法:

如上图

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IIS异常

AddBy 2020-12-23

 无法读取json文件(web.config配置文件异常),解决案例:https://blog.csdn.net/yinsefeixingchuan/article/details/107444511

Web.config文件进行相关配置

 <system.webServer>
    <staticContent>
      <remove fileExtension=".json" />
      <mimeMap fileExtension=".json" mimeType="application/json" />
      <mimeMap fileExtension=".mrt" mimeType="application/json" />
    </staticContent>

  </system.webServer>

EndBy 2020-12-23

异常情景:

错误提示:

出现错误情况:

解决方法:

原文地址:https://www.cnblogs.com/namejr/p/12367237.html