FormatException: String '2021-06-17 01:12:53,149' was not recognized as a valid DateTime.

[linv2]

日志文件如下

2021-06-17 01:12:53,149 ||  INFO || Microsoft.Hosting.Lifetime || Application started. Press Ctrl+C to shut down. ||  ||end 
2021-06-17 01:12:53,240 ||  INFO || Microsoft.Hosting.Lifetime || Application started. Press Ctrl+C to shut down. ||  ||end 
2021-06-17 01:12:53,253 ||  INFO || Microsoft.Hosting.Lifetime || Hosting environment: Development ||  ||end 
2021-06-17 01:12:53,253 ||  INFO || Microsoft.Hosting.Lifetime || Hosting environment: Development ||  ||end 
2021-06-17 01:12:53,256 ||  INFO || Microsoft.Hosting.Lifetime || Content root path: D:\Code\dotnet\AmzErp\src\dotnet\AmzErp\AmzErp.Web ||  ||end 
2021-06-17 01:12:53,257 ||  INFO || Microsoft.Hosting.Lifetime || Content root path: D:\Code\dotnet\AmzErp\src\dotnet\AmzErp\AmzErp.Web ||  ||end 
2021-06-17 01:12:53,308 || DEBUG || AmzErp.Common.Mvc.Filters.RequestLoggerFilter || GET /user/test ||  ||end 
2021-06-17 01:12:53,313 || DEBUG || AmzErp.Common.Mvc.Filters.RequestLoggerFilter || GET /user/test ||  ||end 

官方示例log4net配置 <conversionPattern value="%date || %5level || %logger || %message || %exception ||end %newline" /> 修改后正常运行的log4net配置 <conversionPattern value="%date{yyyy-MM-dd HH:mm:ss} || %5level || %logger || %message || %exception ||end %newline" />

[linv2]

建议：在显示日志全文时，把日志内容放入<pre>节点内

[realLiangshiwei]

谢谢你的建议，重构时我会考虑