How to solve this error "could not find a part of the path 'C:\inetpub\wwwroot\app_data\client_secret.json'"

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Hi I have an issue where using the google calendar.
When I call the calendar Page, system throw the error "
"

System.IO.DirectoryNotFoundException: Could not find a part of the path 'C:\inetpub\wwwroot\App_Data\client_secret.json'.

Please advice me

Thank you in advance

maideen

What I have tried:

<pre>Private Shared gFolder As String = System.Web.HttpContext.Current.Server.MapPath("/App_Data")

    Public Shared Function GetClientConfiguration() As GoogleClientSecrets
        Using stream = New FileStream(gFolder & "\client_secret.json", FileMode.Open, FileAccess.Read)
            Return GoogleClientSecrets.Load(stream)
        End Using
    End Function

Posted 5-Dec-18 19:31pm

Maideen Abdul Kader

Updated 7-Dec-18 4:03am

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Mohibur Rashid 6-Dec-18 1:33am

what does
> dir C:\inetpub\wwwroot\App_Data\client_secret.json
Says(in command prompt of course)

2 solutions

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Richard Deeming · Answer 1 · 2018-12-07T04:03:00

Since you can't control precisely when a Shared field initializer runs, I'd be inclined to avoid using HttpContext.Current from one. If the class is initialized outside of a request context, you could end up with a NullReferenceException, which would then render your entire class unusable for the lifetime of your application.

Instead, map the path inside the method, and use an app-relative path as Solution 1 suggested:

Public Shared Function GetClientConfiguration() As GoogleClientSecrets
    Dim context As System.Web.HttpContext = System.Web.HttpContext.Current
    If context Is Nothing Then Throw New InvalidOperationException("Cannot call this method outside of a request.")
    
    Dim filePath As String = context.Server.MapPath("~/App_Data/client_secret.json")
    Using stream = File.OpenRead(filePath)
        Return GoogleClientSecrets.Load(stream)
    End Using
End Function

OriginalGriff · Answer 2 · 2018-12-05T20:33:00

Solution 1

Try:

Private Shared gFolder As String = System.Web.HttpContext.Current.Server.MapPath("~/App_Data")

Posted 5-Dec-18 20:33pm

OriginalGriff

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Richard Deeming 7-Dec-18 9:58am

I'd be inclined to avoid HttpContext.Current in a static field initializer, since you can't control precisely when they will run. :)