Friday, 27 April 2018

Runbook with ADF: Method not found

Case
A little over two weeks ago we created a new Azure Automation account with a PowerShell runbook to pause and resume the ADF Integration Runtime, but got a strange error when running the script:
Method not found








Get-AzureRmDataFactoryV2IntegrationRuntime: Method not found: 'Newtonsoft.Json.Serialization.IAtrributeProvider Newtonsoft.Json.Serialization.JsonProperty.get_Attribute()'.

Of course the script did work before so what had changed since the last time?

Solution
One of the steps to get the pause and resume script working, is to add assemblies for Azure Data Factory (AzureRM.DataFactoryV2) and Azure Profile (AzureRM.profile). Both where updated on April 10. The ADF assembly from 0.5.2 to 0.5.3 and Profile from 4.5.0 to 4.6.0.

Apparently there is a bug: The updated AzureRM.profile assembly requires a newer version of Newtonsoft.Json which is not yet available on Azure Automation. This means the script will work on your local machine, but not yet in Azure Automation. Microsoft is working on an update.

Meanwhile you can use the following temporally workaround: use the previous version of both assemblies. First remove the two new assemblies from your Azure Automation account and then go to AzureRM.profile. Scroll down to the Version History list and click in the previous version. Then hit the Deploy to Azure Automation button.
Deploy to Azure Automation











You will be redirected to the Azure portal where you must select the Automation account to deploy the previous version of the assembly. Select the correct Automation account and click on the OK button.
Select Automation account

















Repeat this for AzureRM.DataFactoryV2 and then you are good to go.

Summary
There is a bug on which Microsoft is already working. In the meantime just downgrade to the previous versions or wait for an update.
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