Error: Error retrieving DynamoDB table item validation exception
Answered by Rafal Wilinski
What's Causing This Error
This error is caused when retrieving an item from a DynamoDB table using the incorrect primary key value. A validation exception is raised when the primary key value used to retrieve the item is not present in the table or not matching with the primary key schema defined in the table.
Additionally, you may run into this error if you are have defined additional ExpressionAttributeNames or ExpressionAttributeValues that you have not used.
Solution: Here's How To Resolve It
To solve this error, you should ensure that the primary key value used to retrieve the item is correct and exists in the table.
Additionally, ensure that all the attributes you've defined in your DocumentClient queries are used.
Other Common DynamoDB Errors (with Solutions)
- dynamodb could not be mapped for type string
- DynamoDB Local Cannot Create Preexisting Table
- DynamoDB Invalid UpdateExpression Syntax Error Token
- requested resource not found aws dynamodb
- DynamoDB console unable to delete this item
- why is the GSI dynamodb not showing item count
- DynamoDB Hostname Cannot Be Null
- dynamodb property projection cannot be empty
- DynamoDB Network Error: self signed certificate in chain
- dynamodb query is not null
- dynamodb localhost not working
- dynamodb throughput error
- dynamodb global secondary index does not project
- failed to begin subsegment named 'amazondynamodbv2': segment cannot be found.
- DynamoDB local error spawn java ENOENT
Spend less time in the AWS console, use Dynobase.
Try 7-day free trial. No credit card needed.
Product Features
DynamoDB Tools
DynamoDB Info
© 2025 Dynobase