The job mismatch request should be identified as a sending failure because the request's content is not yet processed, though the request was physically sent.
This PR distinguished the error code in [400, 500), which indicates a "request error", and throws an exception as other types of sending failure did.
The job mismatch request should be identified as a sending failure because the request's content is not yet processed, though the request was physically sent.
This PR distinguished the error code in [400, 500), which indicates a "request error", and throws an exception as other types of sending failure did.