Error: DynamoDB stream lambda error

Rafal Wilinski

Answered by Rafal Wilinski

What's Causing This Error

This error can be caused by a variety of issues, such as:

  • Incorrectly configured DynamoDB Streams on the table.
  • Incorrectly configured Lambda function
  • Incorrect permissions set on the IAM role associated with the Lambda function.
  • Incorrectly written code in the Lambda function.
  • Issues with the underlying infrastructure.
  • Lambda function timing out before the completion of the process.
  • Errors with the SDK being used.

Solution: Here's How To Resolve It

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

  • Verify that the DynamoDB Streams are enabled on the correct table and that the correct stream events are being captured.
  • Verify that the Lambda function is properly configured and that all necessary dependencies are installed.
  • Check the IAM role associated with the Lambda function to ensure it has the necessary permissions to access the DynamoDB Streams and the DynamoDB table.
  • Check the Lambda function's code for any syntax or logical mistakes.
  • Check the underlying infrastructure to ensure that it is functioning correctly.
  • Increase the timeout of the lambda function to avoid timeouts.
  • Verify that the SDK being used is configured correctly.
  • If the issue persists, you may contact AWS support for further assistance.
  • Additionally, you can use CloudWatch logs to check the logs of the Lambda function and DynamoDB Streams to troubleshoot the issue.
  • It is important to monitor the error rate of your Lambda function to ensure that it is functioning correctly and to identify any issues.

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