Error: could not unconvert attribute dynamodb
What's Causing This Error
This error occurs in Java when the mapper class is not defined correctly. For example, the SDK creates an instance of the mapper class using a "No-Arg" constructor and uses "Setter" methods to assign data to the object. So, you will run into this error if the mapper class is missing a No-Arg constructor or has invalid Setters/Getters that do not comply with the camel case convention.
Solution - Here's How To Resolve It
To resolve the error, ensure that you have provided a No-Arg constructor. This can be done by manually defining the constructor in your class or using a Lombok library.
Then, ensure that the getter/setter methods are correctly defined in the class. For example, if a mapper class has a property "age" of type Integer, the setter/getter would be similar to the snippet shown below.
private int age; public void setAge(int age) { this.age = age; } public int getAge(){ return age; }
Other Common DynamoDB Errors (with Solutions)
- DynamoDB error cannot find module build/Release/DTraceProviderBindings
- dynamodb index does not exist
- dynamodb cannot assign requested address
- an expression attribute name used in the document path is not defined
- AWS CLI DynamoDB Error Parsing Parameter
- could not connect to the endpoint URL dynamodb
- is not authorized to perform dynamodb:* on resource
- failed to list tables not authorized dynamodb
- DynamoDB Network Error: self signed certificate in chain
- dynamodb docker unable to open database file
- dynamodb cannot read property 's' of undefined
- DynamoDB Failed To Compute Node presentation
- dynamodb query key condition not supported
- name key is not defined dynamodb
- DynamoDB BatchWriteItem error