一、引言&背景   完成度：100%

a) 应对问题

遇到一个问题，.NetCore程序报错：

exceptionServer Error in 'XXXXX' Application.
Could not load file or assembly 'Microsoft.AI.Web' or one of its dependencies. The system cannot find the file specified.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.IO.FileNotFoundException: Could not load file or assembly "Microsoft.Al.Web' or one of its dependencies. The system cannot find the file specified.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Assembly Load Trace: The fllowing information can be helpful to determine why the assembly 'MicrosoftAl.Web' could not be loaded.
WRN: Assembly binding logging is turned OFF.
To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.
To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].
Stack Trace:
[FileNotFoundException: Could not load file or assembly 'Microsoft.AI.Web' or one of its dependencies. The system cannot find the file specified.]
System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMarkHandle stackMark, IntPtr pPrivHostBi
System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflection0nly, StackCrawlMark& stackMark, IntPtr pPrivHos tBinder,
System.Type.GetType (String typeName, Boolean throwOnError, Boolean ignoreCase) +64
System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +59
System.Web.Configuration.ConfigUtil.GetType(String typeName, String propertyName, ConfigurationElement configElement, XmlNode node, Boolean checkAptcaBit, Boolean ignor
[ConfigurationErrorsException: Could not load file or assembly 'Microsoft.AI.Web' or one of its dependencies. The system cannot find the file specified.]
System.Web.Configuration.ConfigUtil.GetType(String typeName, String propertyName, ConfigurationElement configElement, XmlNode node, Boolean checkAptcaBit, Boolean ignor
System.Web.Configuration.ConfigUtil.GetType(String typeName, String propertyName, ConfigurationElement configElement, Boolean checkAptcaBit) +30

b) 应用场景

• .NetCore框架下环境启动异常。

二、解决方案   完成度：100%

1. 开始以为是谁动了依赖项设置。于是检查了两个配置文件：XXXX.runtimeconfig.json、XXXX.deps.json，发现无问题。
2. 又重新发布了一下替换了runtime，发现文件夹被另一个进程占用，但检查了各个进程，应该是并没有占用的，由于服务器还跑了其他生产应用，无法重启，需要继续检查。
3. 检查了应用程序池，Restart一下报了错，怀疑是内存泄漏或者是资源问题。后来又Check了下.NET CLR Version，发现成了" v4.0"，可能是被人动过？或者是应用程序池自动改的？将其设置为"No Managed Code"即可正常使用了。

三、声明与参考资料   完成度：100%

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