Error: lambda function not triggering from dynamodb
Answered by Rafal Wilinski
What's Causing This Error
This error occurs due to several reasons.
- No changes detected: If there are no new stream records, DynamoDB will not invoke the Lambda.
- Streams disabled: The Lambda will not get invoked if streams are disabled for the DyanmoDB table.
- Lambda versioning: This error occurred when referring to Lambda using the
$LATESTversion for some users.
Solution - Here's How To Resolve It
First, visit the DynamoDB console to ensure that streams are enabled for the table to resolve the error.
Afterward, ensure that the stream receives new records by verifying that changes do happen for the items.
Finally, try publishing a new version for the Lambda function by navigating to the Lambda console. Afterward, use the "fixed" lambda version for the DynamoDB Stream.
Other Common DynamoDB Errors (with Solutions)
- dynamodb could not be mapped for type string
- DynamoDB string set may not be empty
- DynamoDB VPC endpoint not working
- DynamoDB is already installed on a path
- DynamoDB type item is not supported
- DynamoDB ConditionExpression not working
- DynamoDB no attribute schema defined
- dynamodb value cannot be null. (parameter 'type')
- dynamodb text contents could not be decoded
- dynamodb streams missing events
- DynamoDB aliasing is not supported
- Unable to start DynamoDB Local process
- Could not connect to the endpoint URL https:dynamodb.singapore.amazonaws.com
- dynamodb no range key value present
- could not transform a dynamodb amazonserviceexception to a compatible kinesis exception
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