AwsProxyResponse class is generating response JSON which is rejected by API gateway with Malformed error

We are calling java lambda from api gateway and in cloudwatch logs i can see internal server error is coming,

After going through the logs and support team i got to know that AwsProxyResponse class is generating response JSON which is rejected by API gateway with Malformed error

Json generated is using field name base64Encoded instead of isBase64Encoded

Start by locating the AwsProxyResponse class and inspect how it serializes its response JSON for API Gateway. Verify the generated field name against the issue’s expectation, and consider the work complete when the response uses isBase64Encoded instead of base64Encoded and avoids the reported Malformed error.

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