src/Handler/JsonHandler.php
public function createJsonResponseFromException(\Exception $exception, JsonRequest $jsonRequest = null)
    {
        $jsonResponse = new JsonResponse();

        if ($exception instanceof Exceptions\ErrorException) {
            $jsonResponse->setErrorCode(0 !== $exception->getCode() ? $exception->getCode() : -32603);
            $jsonResponse->setErrorMessage(!empty($exception->getMessage()) ? $exception->getMessage() : 'Internal error');
            $jsonResponse->setErrorData($exception->getData());
        } else {
            $jsonResponse->setErrorCode(0 !== $exception->getCode() ? $exception->getCode() : -32603);
            $jsonResponse->setErrorMessage(!empty($exception->getMessage()) ? $exception->getMessage() : 'Internal error');
        }

        if ($jsonRequest) {
            $jsonResponse->setId($jsonRequest->getId());
        }

        return $jsonResponse;
    }
public function createJsonResponseFromException(\Exception $exception, JsonRequest $jsonRequest = null)
    {
        $jsonResponse = new JsonResponse();

        if ($exception instanceof Exceptions\ErrorException) {
            $jsonResponse->setErrorCode(0 !== $exception->getCode() ? $exception->getCode() : -32603);
            $jsonResponse->setErrorMessage(!empty($exception->getMessage()) ? $exception->getMessage() : 'Internal error');
            $jsonResponse->setErrorData($exception->getData());
        } else {
            $jsonResponse->setErrorCode(0 !== $exception->getCode() ? $exception->getCode() : -32603);
            $jsonResponse->setErrorMessage(!empty($exception->getMessage()) ? $exception->getMessage() : 'Internal error');
        }

        if ($jsonRequest) {
            $jsonResponse->setId($jsonRequest->getId());
        }

        return $jsonResponse;
    }
Create new JsonResponse from exception.

@param \Exception       $exception
@param null|JsonRequest $jsonRequest

@return JsonResponse