Setting inferenceConfig is missing:
ConverseStreamRequest converseStreamRequest = ConverseStreamRequest.builder()
.modelId(converseRequest.modelId())
.inferenceConfig(converseRequest.inferenceConfig())
.messages(converseRequest.messages())
.system(converseRequest.system())
.additionalModelRequestFields(converseRequest.additionalModelRequestFields())
.toolConfig(converseRequest.toolConfig())
.build();
Comment From: tzolov
Resolved by #1931