Error: dynamodb mapper save not persisting
Answered by Rafal Wilinski
What's Causing This Error
You may run into this error in the AWS Java SDK if the endpoint and the region have not been configured for the Document Client instance.
Solution: Here's How To Resolve It
To resolve the error, upgrade your Java SDK to the latest version and provide the correct endpoint and region during instantiation, as shown below.
// credentials -> your credentials object AmazonDynamoDBClient client = new AmazonDynamoDBClient(credentials); client.setEndpoint("your-endpoint"); client.setRegion(Region.getRegion(Regions.US_WEST_2));
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