Error: dynamodb stream missing fields

Rafal Wilinski

Answered by Rafal Wilinski

What's Causing This Error

DynamoDB streams are used to capture data modification events in a DynamoDB table. You may encounter this error when working with streams for several reasons:

  • The stream only captures changes made to the table's primary key.
  • The stream only captures changes made to the table after it is enabled.
  • The stream only captures the before and after images of an item.
  • Permission issues.

Solution: Here's How To Resolve It

You can resolve this error by modifying the table's primary key to include the missing fields and recreating the stream with the updated primary key.

If it does not resolve the issue, check the following:

  • Check whether the fields were present before the stream was enabled.
  • Ensure that the fields are included in an item's before and after images.
  • Check the IAM permissions for the stream to ensure that the associated role has the correct permissions to access the missing fields.

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