Error: DynamoDB error 400

Rafal Wilinski

Answered by Rafal Wilinski

What's Causing This Error

The "DynamoDB error 400" is a general error code indicating that the client has made an invalid request. It can be caused by a variety of issues, such as:

  • Missing or invalid required parameters.
  • Unsupported operations or parameters.
  • Incorrect data types.
  • Incorrect table or index name.
  • Missing or invalid credentials.
  • Incorrect permissions.
  • Exceeding the provisioned throughput.
  • Issues with the SDK or client being used.

Solution: Here's How To Resolve It

To solve this error, you can take the following steps:

  • Verify that all required parameters are included in the request and that they are in the correct format.
  • Check the operation or parameter being used to ensure the service supports it.
  • Verify that the data types of the parameters are correct and match the expected data type.
  • Check that the table or index name specified in the request is correct.
  • Verify that the credentials and permissions provided in the request are correct and have the necessary permissions to access the service.
  • Check the provisioned throughput and increase it if necessary.
  • Verify that the SDK or client being used is configured correctly and that all necessary dependencies are installed.
  • Check the request payload, headers, and URL for any typos or other mistakes.
  • If the issue persists, you may contact AWS support for further assistance.
  • You can also check the CloudWatch logs for a more detailed error messages and troubleshoot the issue accordingly.

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