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[問題描述]
在空白MVC專案，從NuGet Package 安裝Owin套件後執行，發生錯誤訊息「To disable OWIN startup discovery, add the appSetting owin:AutomaticAppStartup with a value of "false" in your web.config…」
[錯誤訊息]
'/' 應用程式中發生伺服器錯誤。
The following errors occurred while attempting to load the app.
- No assembly found containing an OwinStartupAttribute.
- No assembly found containing a Startup or [AssemblyName].Startup class.
To disable OWIN startup discovery, add the appSetting owin:AutomaticAppStartup with a value of "false" in your web.config.
To specify the OWIN startup Assembly, Class, or Method, add the appSetting owin:AppStartup with the fully qualified startup class or configuration method name in your web.config.
[解決方案]
在Web.config加入
<add key="owin:AutomaticAppStartup" value="false" />
Ref:
OwinStartupAttribute required in web.config to correct Server Error
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