Azure Durable Functions System.Threading.Tasks.TaskCanceledException

[lansal15]

Used the template code from Visual Studio for an Azure Durable Function

Investigative information

• Durable Functions extension version: 1.7.1
• Function App version: 2.0
• Programming language used: C#

Steps to reproduce the behavior: Run project under local development and invoke http orchestration trigger curl -X GET \ http://localhost:7071/api/Function1_HttpStart

I am able to provide the entire project upon request

Expected behavior Successful operation with zero exceptions

Actual behavior Successful operation with ~20+ Exceptions Exception thrown: 'System.Threading.Tasks.TaskCanceledException' in System.Private.CoreLib.dll Exception thrown: 'System.Threading.Tasks.TaskCanceledException' in System.Private.CoreLib.dll Exception thrown: 'System.Threading.Tasks.TaskCanceledException' in System.Private.CoreLib.dll Exception thrown: 'System.Threading.Tasks.TaskCanceledException' in System.Private.CoreLib.dll Exception thrown: 'System.Threading.Tasks.TaskCanceledException' in System.Private.CoreLib.dll Exception thrown: 'System.Threading.Tasks.TaskCanceledException' in System.Private.CoreLib.dll Exception thrown: 'System.Threading.Tasks.TaskCanceledException' in System.Private.CoreLib.dll Exception thrown: 'System.Threading.Tasks.TaskCanceledException' in System.Private.CoreLib.dll

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Additional context

• Development environment: Visual Studio 15.9.4

[cgillum]

These are first-chance exceptions which come from the Azure Functions runtime and are caught by the Azure Functions runtime. I agree they are not ideal, but unfortunately there's nothing our extension can do about them. Every function execution will hit this. Durable just hits it more because of the function replay.

The code where this comes from (and where it is caught) can be found here.

I'll go ahead and transfer this over to the correct repo.