AWS API Gateway - Custom Domain - Unable to complete operation due to concurrent modification

user_4407531 0
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while Configure API mappings, Getting below error.

Unable to complete operation due to concurrent modification. Please try again later.

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aws-api-gateway amazon-web-services
3 Answers

The problem is resolved for me. Supposedly it is known issue in ap-south-1 region of AWS. Workaround is to create the API Mapping using cli. The cli command to create API mapping is given below:

aws apigateway create-base-path-mapping --domain-name <domainname> --rest-api-id <API ID> --stage <stage name> --base-path <basepathvalue>

This worked for me. Hope it works for you.

user_24928250

Try to recreate custom domain to resolve the problem, worked for me. CLI command didn't work, raised same issue as UI.

user_5096250

The problem is resolved for me. it is known issue for ap-south-1 region of AWS. CLI also not work if you logging with aws UI and CMD. So as per aws its single instance. So if you trying from CLI and also not work it means log off from aws UI.

Hope its helpful for you.

user_50968680
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