Error: ExpressionAttributeValues contains invalid value: One or more parameter values were invalid: An AttributeValue may not contain an empty string
Solution
This error means that you’ve used query which some empty value and DynamoDB does not accept that. There are two possible ways of fixing:
- Find and fix empty value, replace with something meaningful or remove from query at all
- In DocumentClient constructor add convertEmptyValues param set to true:
const DynamoDB = new AWS.DynamoDB.DocumentClient({ convertEmptyValues: true });
Other Common DynamoDB Errors (with Solutions)
- DynamoDB Key element does not match the schema
- DynamoDB ValidationException: Query condition missed key schema element
- DynamoDB Invalid UpdateExpression Syntax Error Token
- DynamoDB error cannot find module build/Release/DTraceProviderBindings
- sls dynamodb install not working
- DynamoDB Internal Server Error
- AWS DynamoDB errors ResourceNotFoundException
- ImportError: No module named boto (DynamoDB)
- DynamoDB Network Error: self signed certificate in chain
- ValidationException: Invalid KeyConditionExpression: Attribute name is a reserved keyword;
- ExpressionAttributeValues contains invalid value: One or more parameter values were invalid: An AttributeValue may not contain an empty string
- Error ValidationException: One or more parameter values were invalid: Type mismatch for key X expected: S actual: M
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