Error: DynamoDB stream lambda error

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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- DynamoDB ValidationException: Query condition missed key schema element
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