ECS Cluster with Fargate does not create

Question

Hello,
While I understand using Fargate for ECS Cluster is pay as you go- I am still unable to create the cluster.
The first attempt gave me this error:-

There was an error creating cluster humangov-cluster.
Resource handler returned message: "Error occurred during operation 'CreateCluster SDK error: Service Unavailable. Please try again later. (Service: AmazonECS; Status Code: 500; Error Code: ServerException; Request ID: f55de395-bfd9-4d13-bcf4-c845cde944c1; Proxy: null)'." (RequestToken: 72b1833b-35f2-0838-333b-73743b6f24c2, HandlerErrorCode: GeneralServiceException

On retrying it says cluster already exists(see error below)  but I do not see it listed:
There was an error creating humangov-cluster, Stack[Infra-ECS-Cluster-humangov-cluster-812ee83b] already exists.

Please advise.

Someone in the past said try different times, but it doesnt work.  It looks like its created something with that name.

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Accepted Answer

Hello.

CloudFormation is running behind the scenes to create an ECS cluster.  
Try deleting the "Infra-ECS-Cluster-humangov-cluster-812ee83b" stack from the CloudFormation console.

Answer

Hi HP,
as ECS use CloudFormation behind the scene, what probably happen is that:
- during your previous attempt, a Cloud Formation Stack was created with the name of your cluster even if the cluster is not created, the stack remain in the list of CloudFormation
- when you tried a second time, using the same name for the ECS cluster, the system tried to re-create the CloudFormation stack again, however a stack with the same name already exists.

To solve this, you just need to enter the Cloud Formation page and delete the failed stack and then re-create the cluster

ECS Cluster with Fargate does not create

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