我能够找到解决方案。
# Whether a "NoHandlerFoundException" should be thrown if no Handler was found to process a request.
spring.mvc.throw-exception-if-no-handler-found=true
spring.resources.add-mappings=false
@Override
protected ResponseEntity<Object> handleNoHandlerFoundException(NoHandlerFoundException ex, HttpHeaders headers,
HttpStatus status, WebRequest request) {
// custom logic here
return handleExceptionInternal(ex, error, getHeaders(), HttpStatus.BAD_REQUEST, request);
}
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