René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"1.24.0出现报错","articleBody":"### Initial Checks\n\n- [x] I confirm that I'm using the latest version of MCP Python SDK\n- [x] I confirm that I searched for my issue in https://github.com/modelcontextprotocol/python-sdk/issues before opening this issue\n\n### Description\n\n  |   File \"/app/app/clients/mcp_client.py\", line 98, in connect_and_get_tool\n  |     self._adapter = await StreamableHttpMcpToolAdapter.from_server_params(\n  |   File \"/usr/local/lib/python3.10/dist-packages/autogen_ext/tools/mcp/_base.py\", line 140, in from_server_params\n  |     async with create_mcp_server_session(server_params) as session:\n  |   File \"/usr/lib/python3.10/contextlib.py\", line 217, in __aexit__\n  |     await self.gen.athrow(typ, value, traceback)\n  |   File \"/usr/local/lib/python3.10/dist-packages/autogen_ext/tools/mcp/_session.py\", line 40, in create_mcp_server_session\n  |     async with streamablehttp_client(**params_dict) as (\n  |   File \"/usr/lib/python3.10/contextlib.py\", line 217, in __aexit__\n  |     await self.gen.athrow(typ, value, traceback)\n  |   File \"/usr/local/lib/python3.10/dist-packages/mcp/client/streamable_http.py\", line 480, in streamablehttp_client\n  |     async with anyio.create_task_group() as tg:\n  |   File \"/usr/local/lib/python3.10/dist-packages/anyio/_backends/_asyncio.py\", line 783, in __aexit__\n  |     raise BaseExceptionGroup(\n  | exceptiongroup.ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)\n  +-+---------------- 1 ----------------\n    | Traceback (most recent call last):\n    |   File \"/usr/local/lib/python3.10/dist-packages/mcp/client/streamable_http.py\", line 411, in handle_request_async\n    |     await self._handle_post_request(ctx)\n    |   File \"/usr/local/lib/python3.10/dist-packages/mcp/client/streamable_http.py\", line 280, in _handle_post_request\n    |     response.raise_for_status()\n    |   File \"/usr/local/lib/python3.10/dist-packages/httpx/_models.py\", line 829, in raise_for_status\n    |     raise HTTPStatusError(message, request=request, response=self)\n    | httpx.HTTPStatusError: Client error '421 Misdirected Request' for url 'http://10.244.209.39:18658/mcp/time_manager/'\n    | For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/421\n\n\n### Example Code\n\n```Python\n\n```\n\n### Python \u0026 MCP Python SDK\n\n```Text\n1.24.0\n```","author":{"url":"https://github.com/longz30","@type":"Person","name":"longz30"},"datePublished":"2025-12-17T15:37:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/1797/python-sdk/issues/1797"}