Error: Error retrieving DynamoDB table item validation exception

Rafal Wilinski

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.

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