duckduckgo搜索报错

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报错信息如下

ERROR:    Exception in ASGI application
Traceback (most recent call last):
  File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/sse_starlette/sse.py", line 269, in __call__
    await wrap(partial(self.listen_for_disconnect, receive))
  File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/sse_starlette/sse.py", line 258, in wrap
    await func()
  File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/sse_starlette/sse.py", line 215, in listen_for_disconnect
    message = await receive()
  File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/uvicorn/protocols/http/httptools_impl.py", line 580, in receive
    await self.message_event.wait()
  File "/root/miniconda3/envs/llama/lib/python3.10/asyncio/locks.py", line 213, in wait
    await fut
asyncio.exceptions.CancelledError: Cancelled by cancel scope 7f461f74e110

During handling of the above exception, another exception occurred:

  + Exception Group Traceback (most recent call last):
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/uvicorn/protocols/http/httptools_impl.py", line 419, in run_asgi
  |     result = await app(  # type: ignore[func-returns-value]
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/uvicorn/middleware/proxy_headers.py", line 84, in __call__
  |     return await self.app(scope, receive, send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/fastapi/applications.py", line 1054, in __call__
  |     await super().__call__(scope, receive, send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/applications.py", line 119, in __call__
  |     await self.middleware_stack(scope, receive, send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/middleware/errors.py", line 186, in __call__
  |     raise exc
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/middleware/errors.py", line 164, in __call__
  |     await self.app(scope, receive, _send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/middleware/exceptions.py", line 62, in __call__
  |     await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/_exception_handler.py", line 64, in wrapped_app
  |     raise exc
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
  |     await app(scope, receive, sender)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/routing.py", line 762, in __call__
  |     await self.middleware_stack(scope, receive, send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/routing.py", line 782, in app
  |     await route.handle(scope, receive, send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/routing.py", line 297, in handle
  |     await self.app(scope, receive, send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/routing.py", line 77, in app
  |     await wrap_app_handling_exceptions(app, request)(scope, receive, send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/_exception_handler.py", line 64, in wrapped_app
  |     raise exc
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
  |     await app(scope, receive, sender)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/routing.py", line 75, in app
  |     await response(scope, receive, send)
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/sse_starlette/sse.py", line 255, in __call__
  |     async with anyio.create_task_group() as task_group:
  |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 678, in __aexit__
  |     raise BaseExceptionGroup(
  | exceptiongroup.ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
  +-+---------------- 1 ----------------
    | Traceback (most recent call last):
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpcore/_exceptions.py", line 10, in map_exceptions
    |     yield
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpcore/_backends/sync.py", line 206, in connect_tcp
    |     sock = socket.create_connection(
    |   File "/root/miniconda3/envs/llama/lib/python3.10/socket.py", line 845, in create_connection
    |     raise err
    |   File "/root/miniconda3/envs/llama/lib/python3.10/socket.py", line 833, in create_connection
    |     sock.connect(sa)
    | OSError: [Errno 99] Cannot assign requested address
    | 
    | The above exception was the direct cause of the following exception:
    | 
    | Traceback (most recent call last):
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpx/_transports/default.py", line 67, in map_httpcore_exceptions
    |     yield
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpx/_transports/default.py", line 231, in handle_request
    |     resp = self._pool.handle_request(req)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpcore/_sync/connection_pool.py", line 268, in handle_request
    |     raise exc
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpcore/_sync/connection_pool.py", line 251, in handle_request
    |     response = connection.handle_request(request)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpcore/_sync/connection.py", line 99, in handle_request
    |     raise exc
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpcore/_sync/connection.py", line 76, in handle_request
    |     stream = self._connect(request)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpcore/_sync/connection.py", line 124, in _connect
    |     stream = self._network_backend.connect_tcp(**kwargs)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpcore/_backends/sync.py", line 205, in connect_tcp
    |     with map_exceptions(exc_map):
    |   File "/root/miniconda3/envs/llama/lib/python3.10/contextlib.py", line 153, in __exit__
    |     self.gen.throw(typ, value, traceback)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpcore/_exceptions.py", line 14, in map_exceptions
    |     raise to_exc(exc) from exc
    | httpcore.ConnectError: [Errno 99] Cannot assign requested address
    | 
    | The above exception was the direct cause of the following exception:
    | 
    | Traceback (most recent call last):
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/duckduckgo_search/duckduckgo_search.py", line 44, in _get_url
    |     resp = self._client.request(method, url, follow_redirects=True, **kwargs)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpx/_client.py", line 828, in request
    |     return self.send(request, auth=auth, follow_redirects=follow_redirects)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpx/_client.py", line 915, in send
    |     response = self._send_handling_auth(
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpx/_client.py", line 943, in _send_handling_auth
    |     response = self._send_handling_redirects(
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpx/_client.py", line 980, in _send_handling_redirects
    |     response = self._send_single_request(request)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpx/_client.py", line 1016, in _send_single_request
    |     response = transport.handle_request(request)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpx/_transports/default.py", line 230, in handle_request
    |     with map_httpcore_exceptions():
    |   File "/root/miniconda3/envs/llama/lib/python3.10/contextlib.py", line 153, in __exit__
    |     self.gen.throw(typ, value, traceback)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/httpx/_transports/default.py", line 84, in map_httpcore_exceptions
    |     raise mapped_exc(message) from exc
    | httpx.ConnectError: [Errno 99] Cannot assign requested address
    | 
    | During handling of the above exception, another exception occurred:
    | 
    | Traceback (most recent call last):
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/sse_starlette/sse.py", line 258, in wrap
    |     await func()
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/sse_starlette/sse.py", line 245, in stream_response
    |     async for data in self.body_iterator:
    |   File "/root/autodl-tmp/Langchain-Chatchat/server/chat/search_engine_chat.py", line 164, in search_engine_chat_iterator
    |     docs = await lookup_search_engine(query, search_engine_name, top_k, split_result=split_result)
    |   File "/root/autodl-tmp/Langchain-Chatchat/server/chat/search_engine_chat.py", line 112, in lookup_search_engine
    |     results = await run_in_threadpool(search_engine, query, result_len=top_k, split_result=split_result)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/starlette/concurrency.py", line 40, in run_in_threadpool
    |     return await anyio.to_thread.run_sync(func, *args)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/anyio/to_thread.py", line 56, in run_sync
    |     return await get_async_backend().run_sync_in_worker_thread(
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 2134, in run_sync_in_worker_thread
    |     return await future
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 851, in run
    |     result = context.run(func, *args)
    |   File "/root/autodl-tmp/Langchain-Chatchat/server/chat/search_engine_chat.py", line 37, in duckduckgo_search
    |     return search.results(text, result_len)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/langchain_community/utilities/duckduckgo_search.py", line 111, in results
    |     for r in self._ddgs_text(query, max_results=max_results)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/langchain_community/utilities/duckduckgo_search.py", line 57, in _ddgs_text
    |     return [r for r in ddgs_gen]
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/langchain_community/utilities/duckduckgo_search.py", line 57, in <listcomp>
    |     return [r for r in ddgs_gen]
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/duckduckgo_search/duckduckgo_search.py", line 105, in text
    |     for i, result in enumerate(results, start=1):
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/duckduckgo_search/duckduckgo_search.py", line 133, in _text_api
    |     vqd = self._get_vqd(keywords)
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/duckduckgo_search/duckduckgo_search.py", line 63, in _get_vqd
    |     resp = self._get_url("POST", "https://duckduckgo.com", data={"q": keywords})
    |   File "/root/miniconda3/envs/llama/lib/python3.10/site-packages/duckduckgo_search/duckduckgo_search.py", line 57, in _get_url
    |     raise HTTPException(f"_get_url() {url} HttpError: {ex}")
    | duckduckgo_search.exceptions.HTTPException: _get_url() https://duckduckgo.com HttpError: [Errno 99] Cannot assign requested address
    +------------------------------------
2024-02-06 21:10:15,600 - utils.py[line:197] - ERROR: RemoteProtocolError: API通信遇到错误：peer closed connection without sending complete message body (incomplete chunked read)

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