AWSCognitoIdentityProviderService; Status Code: 400; Error Code: InvalidParameterException

[michaelbwebb]

❓ Guidance Question

The Question

AWSCDK and AWSCLI have both been installed, and when deploying the CDK application I get the following error message:

8:37:22 AM | CREATE_FAILED | AWS::Cognito::UserPoolDomain | ICS_USERS_POOL_DOMAIN
Domain already associated with another user pool. (Service: AWSCognitoIdentityProviderService; Status Code: 400; Error Code: InvalidParameterException; Request ID: f3f0b188-1063-4f83-a884-e810588a749c; Proxy: null)
8:37:24 AM | ROLLBACK_IN_PROGRESS | AWS::CloudFormation::Stack | ImageContentSearch

However I do not have any domains configured so unsure as to why this error is being generated.

Environment

• CDK CLI Version: 1.94.1 (build 60d8f91)
• Example: Image Search Demo Application
• OS: MacOS
• Language: Python

[gshpychka]

@NGL321 any idea why this can happen?

[poul-kg]

@BrandonMichaelWebb depends on how you're specifying your domain name, if you're doing it via domainPrefix than make sure it's globally unique. I had the same problem today, as I was trying to use development as my domainPrefix and looks like that https://development.auth.ap-southeast-2.amazoncognito.com domain is already taken by someone. So I've updated my domainPrefix to something like aaaa-development and it worked.

[elginlam-amazon]

You can use the node.addr property to create a unique domainPrefix.

cognitoDomain: {
                domainPrefix: `${this.node.addr}`
}

[peterwoodworth]

Yes - the domain must be globally unique or you may run into this failure. Thanks for the answer @poul-kg

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