How to handle invalid input!

[xuweidongkobe]

Given a MMS custom service that expects JSON as input,
If the input is invalid JSON such as { "image": "I missed a quote}
MMS will return
{ "code": 500, "type": "InternalServerException", "message": "Worker died." } and reload model.
Is something can do to verify the accuracy of input to avoid such direct returns and model reload when it cannot be modified input?

[xuweidongkobe]

@maaquib