We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Running into this error again in 1.8.0:
server-1 | ERROR: Exception in ASGI application server-1 | + Exception Group Traceback (most recent call last): server-1 | | File "/usr/local/lib/python3.11/site-packages/uvicorn/protocols/http/httptools_impl.py", line 401, in run_asgi server-1 | | result = await app( # type: ignore[func-returns-value] server-1 | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ server-1 | | File "/usr/local/lib/python3.11/site-packages/uvicorn/middleware/proxy_headers.py", line 70, in __call__ server-1 | | return await self.app(scope, receive, send) server-1 | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ server-1 | | File "/usr/local/lib/python3.11/site-packages/fastapi/applications.py", line 1054, in __call__ server-1 | | await super().__call__(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/applications.py", line 123, in __call__ server-1 | | await self.middleware_stack(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/middleware/errors.py", line 186, in __call__ server-1 | | raise exc server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/middleware/errors.py", line 164, in __call__ server-1 | | await self.app(scope, receive, _send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/middleware/exceptions.py", line 65, in __call__ server-1 | | await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 64, in wrapped_app server-1 | | raise exc server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app server-1 | | await app(scope, receive, sender) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 756, in __call__ server-1 | | await self.middleware_stack(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 776, in app server-1 | | await route.handle(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 485, in handle server-1 | | await self.app(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/fastapi/applications.py", line 1054, in __call__ server-1 | | await super().__call__(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/applications.py", line 123, in __call__ server-1 | | await self.middleware_stack(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/middleware/errors.py", line 186, in __call__ server-1 | | raise exc server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/middleware/errors.py", line 164, in __call__ server-1 | | await self.app(scope, receive, _send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/middleware/exceptions.py", line 65, in __call__ server-1 | | await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 64, in wrapped_app server-1 | | raise exc server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app server-1 | | await app(scope, receive, sender) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 756, in __call__ server-1 | | await self.middleware_stack(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 776, in app server-1 | | await route.handle(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 297, in handle server-1 | | await self.app(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 77, in app server-1 | | await wrap_app_handling_exceptions(app, request)(scope, receive, send) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 64, in wrapped_app server-1 | | raise exc server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app server-1 | | await app(scope, receive, sender) server-1 | | File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 72, in app server-1 | | response = await func(request) server-1 | | ^^^^^^^^^^^^^^^^^^^ server-1 | | File "/usr/local/lib/python3.11/site-packages/fastapi/routing.py", line 278, in app server-1 | | raw_response = await run_endpoint_function( server-1 | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ server-1 | | File "/usr/local/lib/python3.11/site-packages/fastapi/routing.py", line 191, in run_endpoint_function server-1 | | return await dependant.call(**values) server-1 | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ server-1 | | File "/usr/local/lib/python3.11/site-packages/fastapi_mcp/server.py", line 199, in handle_mcp_connection server-1 | | async with transport.connect_sse(request.scope, request.receive, request._send) as (reader, writer): server-1 | | File "/usr/local/lib/python3.11/contextlib.py", line 231, in __aexit__ server-1 | | await self.gen.athrow(typ, value, traceback) server-1 | | File "/usr/local/lib/python3.11/site-packages/mcp/server/sse.py", line 128, in connect_sse server-1 | | async with anyio.create_task_group() as tg: server-1 | | File "/usr/local/lib/python3.11/site-packages/anyio/_backends/_asyncio.py", line 772, in __aexit__ server-1 | | raise BaseExceptionGroup( server-1 | | ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception) server-1 | +-+---------------- 1 ---------------- server-1 | | Exception Group Traceback (most recent call last): server-1 | | File "/usr/local/lib/python3.11/site-packages/mcp/server/sse.py", line 147, in connect_sse server-1 | | yield (read_stream, write_stream) server-1 | | File "/usr/local/lib/python3.11/site-packages/fastapi_mcp/server.py", line 200, in handle_mcp_connection server-1 | | await self.server.run( server-1 | | File "/usr/local/lib/python3.11/site-packages/mcp/server/lowlevel/server.py", line 489, in run server-1 | | async with AsyncExitStack() as stack: server-1 | | File "/usr/local/lib/python3.11/contextlib.py", line 745, in __aexit__ server-1 | | raise exc_details[1] server-1 | | File "/usr/local/lib/python3.11/contextlib.py", line 728, in __aexit__ server-1 | | cb_suppress = await cb(*exc_details) server-1 | | ^^^^^^^^^^^^^^^^^^^^^^ server-1 | | File "/usr/local/lib/python3.11/site-packages/mcp/shared/session.py", line 209, in __aexit__ server-1 | | return await self._task_group.__aexit__(exc_type, exc_val, exc_tb) server-1 | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ server-1 | | File "/usr/local/lib/python3.11/site-packages/anyio/_backends/_asyncio.py", line 772, in __aexit__ server-1 | | raise BaseExceptionGroup( server-1 | | ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception) server-1 | +-+---------------- 1 ---------------- server-1 | | Traceback (most recent call last): server-1 | | File "/usr/local/lib/python3.11/site-packages/mcp/server/session.py", line 146, in _receive_loop server-1 | | await super()._receive_loop() server-1 | | File "/usr/local/lib/python3.11/site-packages/mcp/shared/session.py", line 331, in _receive_loop server-1 | | elif isinstance(message.message.root, JSONRPCRequest): server-1 | | ^^^^^^^^^^^^^^^ server-1 | | File "/usr/local/lib/python3.11/site-packages/pydantic/main.py", line 989, in __getattr__ server-1 | | raise AttributeError(f'{type(self).__name__!r} object has no attribute {item!r}') server-1 | | AttributeError: 'JSONRPCMessage' object has no attribute 'message' server-1 | +------------------------------------
The text was updated successfully, but these errors were encountered:
This may be a compatibility issue with fastapi-mcp.
Sorry, something went wrong.
I encountered the same issue, and the solution was the one mentioned in this comment. Setting the mcp package to version 1.7.0 resolved the problem.
No branches or pull requests
Running into this error again in 1.8.0:
The text was updated successfully, but these errors were encountered: