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Hello,
I'm getting the following error when using the sample code in GitHub.
Invoke-RestMethod : The remote server returned an error: (415) Unsupported Media Type.
At C:\Users\user\Documents\GitHub\powerbi-powershell\refreshproduction.ps1:82 char:1
+ Invoke-RestMethod -Uri $uri –Headers $authHeader –Method GET –Verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-RestMethod], WebException
+ FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeRestMethodCommand
# This sample script calls the Power BI API to progammtically trigger a refresh for the dataset # It then calls the Power BI API to progammatically to get the refresh history for that dataset # For full documentation on the REST APIs, see: # https://msdn.microsoft.com/en-us/library/mt203551.aspx # Instructions: # 1. Install PowerShell (https://msdn.microsoft.com/en-us/powershell/scripting/setup/installing-windows-powershell) and the Azure PowerShell cmdlets (https://aka.ms/webpi-azps) # 2. Set up a dataset for refresh in the Power BI service - make sure that the dataset can be # updated successfully # 3. Fill in the parameters below # 4. Run the PowerShell script # Parameters - fill these in before running the script! # ===================================================== # An easy way to get group and dataset ID is to go to dataset settings and click on the dataset # that you'd like to refresh. Once you do, the URL in the address bar will show the group ID and # dataset ID, in the format: # app.powerbi.com/groups/{groupID}/settings/datasets/{datasetID} $groupID = "FIll Me In" # the ID of the group that hosts the dataset. Use "me" if this is your My Workspace $datasetID = "FIll Me In" # the ID of the dataset that hosts the dataset # AAD Client ID # To get this, go to the following page and follow the steps to provision an app # https://dev.powerbi.com/apps # To get the sample to work, ensure that you have the following fields: # App Type: Native app # Redirect URL: urn:ietf:wg:oauth:2.0:oob # Level of access: all dataset APIs $clientId = "FIll Me In" # End Parameters ======================================= # Calls the Active Directory Authentication Library (ADAL) to authenticate against AAD function GetAuthToken { $adal = "${env:ProgramFiles(x86)}\Microsoft SDKs\Azure\PowerShell\ServiceManagement\Azure\Services\Microsoft.IdentityModel.Clients.ActiveDirectory.dll" $adalforms = "${env:ProgramFiles(x86)}\Microsoft SDKs\Azure\PowerShell\ServiceManagement\Azure\Services\Microsoft.IdentityModel.Clients.ActiveDirectory.WindowsForms.dll" [System.Reflection.Assembly]::LoadFrom($adal) | Out-Null [System.Reflection.Assembly]::LoadFrom($adalforms) | Out-Null $redirectUri = "urn:ietf:wg:oauth:2.0:oob" $resourceAppIdURI = "https://analysis.windows.net/powerbi/api" $authority = "https://login.windows.net/common/oauth2/authorize"; $authContext = New-Object "Microsoft.IdentityModel.Clients.ActiveDirectory.AuthenticationContext" -ArgumentList $authority $authResult = $authContext.AcquireToken($resourceAppIdURI, $clientId, $redirectUri, "Auto") return $authResult } # Get the auth token from AAD $token = GetAuthToken # Building Rest API header with authorization token $authHeader = @{ 'Content-Type'='application/json' 'Authorization'=$token.CreateAuthorizationHeader() } # properly format groups path $groupsPath = "" if ($groupID -eq "me") { $groupsPath = "myorg" } else { $groupsPath = "myorg/groups/$groupID" } # Refresh the dataset $uri = "https://api.powerbi.com/v1.0/$groupsPath/datasets/$datasetID/refreshes" Invoke-RestMethod -Uri $uri –Headers $authHeader –Method POST –Verbose # Check the refresh history $uri = "https://api.powerbi.com/v1.0/$groupsPath/datasets/$datasetID/refreshes" Invoke-RestMethod -Uri $uri –Headers $authHeader –Method GET –Verbose
Line 78
Invoke-RestMethod -Uri $uri –Headers $authHeader –Method POST –Verbose
Appreciated if someone could help resolve this issue.
Thanks,
Anton
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