1: <?php
2:
3: declare(strict_types=1);
4:
5: /**
6: * This file is part of the Nexus MCP SDK package.
7: *
8: * (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9: *
10: * For the full copyright and license information, please view
11: * the LICENSE file that was distributed with this source code.
12: */
13:
14: namespace Nexus\Mcp\Core\Exception;
15:
16: use Nexus\Mcp\Core\Schema\RequestId;
17:
18: /**
19: * Thrown when a transport cannot carry an outbound request to completion, naming the request whose response
20: * can therefore never arrive.
21: */
22: final class OutboundRequestFailedException extends \RuntimeException implements McpExceptionInterface
23: {
24: public function __construct(public readonly RequestId $requestId, \Throwable $previous)
25: {
26: parent::__construct(
27: \sprintf('The exchange carrying request %s failed before a response arrived.', var_export($requestId->id, true)),
28: previous: $previous,
29: );
30: }
31: }
32: