Azure Cloudtasks never finish, MissingRequiredQueryParameter api-version

Question

Azure Cloudtasks never finish, MissingRequiredQueryParameter api-version

David Garcia Accumatch 0

I'm new to Azure Batch. Im following the samples listed in https://learn.microsoft.com/en-us/azure/batch/batch-apis-tools which recommended following repo https://github.com/Azure-Samples/azure-batch-samples I tried CSharp/GettingStarted/01_HelloWorld, whenAll always timeout, I tried debugging and following task url I see next error

I also tried another piece of code, I see the same error

https://stackoverflow.com/questions/79653646/azure-cloudtasks-never-finish-status-is-always-active

any ideas?

{
  "odata.metadata":"https://myaccount.westus.batch.azure.com/$metadata#Microsoft.Azure.Batch.Protocol.Entities.Container.errors/@Element","code":"MissingRequiredQueryParameter","message":{
    "lang":"en-US","value":"A query parameter that's mandatory for this request is not specified.\nRequestId:46af78ed-c0b2-4966-baef-4036e8480f12\nTime:2025-06-05T18:06:53.9784454Z"
  },"values":[
    {
      "key":"QueryParameterName","value":"api-version"
    }
  ]
}

David Garcia Accumatch 0 Reputation points

2025-06-05T21:49:51.61+00:00

ok, do you know a hello world updated working example I can use?
David Garcia Accumatch 0 Reputation points

2025-06-06T17:27:26.74+00:00

can someone please share an updated Hello World working example using Microsoft.Azure.Batch NuGet package latest and is stable version?
https://stackoverflow.com/questions/79656269/net-8-using-microsoft-azure-batch-a-c-sharp-console-app-to-exec-command-line-jun

David Garcia Accumatch 0

@Anusree Nashetty I tried using the most recent version, is still not working ...

User's image

I see same error message

{
  "odata.metadata":"https://someaccount.westus.batch.azure.com/$metadata#Microsoft.Azure.Batch.Protocol.Entities.Container.errors/@Element","code":"MissingRequiredQueryParameter","message":{
    "lang":"en-US","value":"A query parameter that's mandatory for this request is not specified.\nRequestId:fb95c644-42d9-4242-9ace-665a29392bf0\nTime:2025-06-06T19:09:27.1839215Z"
  },"values":[
    {
      "key":"QueryParameterName","value":"api-version"
    }
  ]
}

Anusree Nashetty 4,275 Reputation points Microsoft External Staff Moderator

2025-06-09T22:59:28.79+00:00

Hi David Garcia Accumatch,

Once try with this updated and working GitHub sample that follows the same logic, but known to be stable: https://github.com/Azure-Samples/batch-dotnet-quickstart

Always use the SDK (BatchClient) and Use correct Batch endpoint.
Anusree Nashetty 4,275 Reputation points Microsoft External Staff Moderator

2025-06-10T18:14:41.75+00:00

Hi David Garcia Accumatch,

Did you get a chance to check the GitHub sample. If you have any further queries, let me know. As the below solution has been helpful to you, could you please Accept Answer on it.

1 answer

Your answer

David Garcia Accumatch 0 Reputation points

2025-06-05T21:49:51.61+00:00

ok, do you know a hello world updated working example I can use?
David Garcia Accumatch 0 Reputation points

2025-06-06T17:27:26.74+00:00

can someone please share an updated Hello World working example using Microsoft.Azure.Batch NuGet package latest and is stable version?
https://stackoverflow.com/questions/79656269/net-8-using-microsoft-azure-batch-a-c-sharp-console-app-to-exec-command-line-jun
David Garcia Accumatch 0 Reputation points

2025-06-06T19:15:15.77+00:00

@Anusree Nashetty I tried using the most recent version, is still not working ...

I see same error message

{ "odata.metadata":"https://someaccount.westus.batch.azure.com/$metadata#Microsoft.Azure.Batch.Protocol.Entities.Container.errors/@Element","code":"MissingRequiredQueryParameter","message":{ "lang":"en-US","value":"A query parameter that's mandatory for this request is not specified.\nRequestId:fb95c644-42d9-4242-9ace-665a29392bf0\nTime:2025-06-06T19:09:27.1839215Z" },"values":[ { "key":"QueryParameterName","value":"api-version" } ] }
Anusree Nashetty 4,275 Reputation points Microsoft External Staff Moderator

2025-06-09T22:59:28.79+00:00

Hi David Garcia Accumatch,

Once try with this updated and working GitHub sample that follows the same logic, but known to be stable: https://github.com/Azure-Samples/batch-dotnet-quickstart

Always use the SDK (BatchClient) and Use correct Batch endpoint.
Anusree Nashetty 4,275 Reputation points Microsoft External Staff Moderator

2025-06-10T18:14:41.75+00:00

Hi David Garcia Accumatch,

Did you get a chance to check the GitHub sample. If you have any further queries, let me know. As the below solution has been helpful to you, could you please Accept Answer on it.

Answer 1

Hi David Garcia Accumatch,

The error you are seeing means that your request to the Azure Batch REST API is missing the required api-version query parameter. You're using an older version of the Azure Batch SDK. There's a mismatch between the SDK and REST API versions. User's image You mentioned you're running the C# sample from this repo. This sample uses the Azure.Batch SDK, which internally calls the REST API. But it might be using an outdated or incorrect SDK version, or the environment setup is missing configuration, causing this error when polling for task/job status.

Make sure your Microsoft.Azure.Batch NuGet package is latest and is stable version.
Check that your batch account and URLs are correct.
Batch Service REST API Versioning

For your reference: https://stackoverflow.com/questions/50413148/http-get-missingrequiredqueryparameter

If you have any further queries, let me know. If the information is helpful, please click on Upvote.

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Azure Cloudtasks never finish, MissingRequiredQueryParameter api-version

1 answer

Your answer