Error: DynamoDB Hostname Cannot Be Null
Answered by Rafal Wilinski
What's Causing This Error
This error can arise when using AWS SDK for Java to interact with DynamoDB when the client is not accurately configured with the correct endpoint. In this case, the SDK tries to reach the DynamoDB service, but the information regarding the hostname for the service is missing.
Solution: Here's How To Resolve It
In order to resolve this DynamODB error, you should ensure that the client is correctly configured with the accurate endpoint. You can use the withEndpointConfiguration or withRegion method to specify the endpoint.
Other Common DynamoDB Errors (with Solutions)
- DynamoDB GetItem no item
- dynamodb query key condition not supported
- dynamodb 1 validation error detected value
- is not authorized to perform dynamodb:* on resource
- DynamoDB Errors InvalidSignatureException Signature Expired
- dynamodb cannot read property '0' of undefined
- dynamodb atomic counter not working
- dynamodb cannot convert undefined or null to object
- dynamodb type custid is not supported
- dynamodb cannot create preexisting table
- error updating dynamodb table time to live
- dynamodb consistent reads are not supported on global secondary indexes
- dynamodb trigger no records processed
- DynamoDB FilterExpression Not Working
- dynamodb update fail if not exists
Tired of switching accounts and regions? Use Dynobase.
Try 7-day free trial. No credit card needed.
Product Features
DynamoDB Tools
DynamoDB Info
© 2025 Dynobase