【发布时间】：2021-10-06 11:45:29
【问题描述】：
我正在尝试解决我的 Jupyter 笔记本由于断开连接问题而无法在其 r 内核中运行 r 代码的问题。我在装有 BigSur 11.6 的 Mac 上运行 Jupyter，笔记本一直打开，直到当内核失去连接并连接到显示以下信息的内核时我尝试运行一个单元，但它永远不会重新连接：
Last login: Wed Oct 6 12:40:11 on ttys001
/opt/anaconda3/envs/entornor/bin/jupyter_mac.command ; exit;
(base) fersaol@MacBook-Air-de-fersaol ~ % /opt/anaconda3/envs/entornor/bin/jupyter_mac.command ; exit;
[I 13:33:25.566 NotebookApp] The port 8888 is already in use, trying another port.
[I 13:33:25.567 NotebookApp] Serving notebooks from local directory: /Users/fersaol
[I 13:33:25.567 NotebookApp] Jupyter Notebook 6.4.3 is running at:
[I 13:33:25.567 NotebookApp] http://localhost:8889/?token=9a9e27f00fcdc90028309fc5676e2548f6cbd2e6acb79550
[I 13:33:25.567 NotebookApp] or http://127.0.0.1:8889/?token=9a9e27f00fcdc90028309fc5676e2548f6cbd2e6acb79550
[I 13:33:25.567 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 13:33:25.570 NotebookApp]
To access the notebook, open this file in a browser:
file:///Users/fersaol/Library/Jupyter/runtime/nbserver-9257-open.html
Or copy and paste one of these URLs:
http://localhost:8889/?token=9a9e27f00fcdc90028309fc5676e2548f6cbd2e6acb79550
or http://127.0.0.1:8889/?token=9a9e27f00fcdc90028309fc5676e2548f6cbd2e6acb79550
/opt/anaconda3/envs/entornor/lib/python3.8/json/encoder.py:257: UserWarning: date_default is deprecated since jupyter_client 7.0.0. Use jupyter_client.jsonutil.json_default.
return _iterencode(o, 0)
[W 13:33:32.946 NotebookApp] Notebook INSPYR/Curso Data Analytics 2021_2022/R/kernel_R_blank.ipynb is not trusted
ERROR:asyncio:Exception in callback <TaskWakeupMethWrapper object at 0x7fc5f002d5b0>(<Future finis...late\r\n\r\n'>)
handle: <Handle <TaskWakeupMethWrapper object at 0x7fc5f002d5b0>(<Future finis...late\r\n\r\n'>)>
Traceback (most recent call last):
File "/opt/anaconda3/envs/entornor/lib/python3.8/asyncio/events.py", line 81, in _run
self._context.run(self._callback, *self._args)
RuntimeError: Cannot enter into task <Task pending name='Task-4' coro=<HTTP1ServerConnection._server_request_loop() running at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/http1connection.py:823> wait_for=<Future finished result=b'GET /kernel...flate\r\n\r\n'> cb=[IOLoop.add_future.<locals>.<lambda>() at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/ioloop.py:688]> while another task <Task pending name='Task-1' coro=<MultiKernelManager._async_start_kernel() running at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/jupyter_client/multikernelmanager.py:186>> is being executed.
ERROR:asyncio:Exception in callback <TaskWakeupMethWrapper object at 0x7fc611af0fd0>(<Future finis...uest\r\n\r\n'>)
handle: <Handle <TaskWakeupMethWrapper object at 0x7fc611af0fd0>(<Future finis...uest\r\n\r\n'>)>
Traceback (most recent call last):
File "/opt/anaconda3/envs/entornor/lib/python3.8/asyncio/events.py", line 81, in _run
self._context.run(self._callback, *self._args)
RuntimeError: Cannot enter into task <Task pending name='Task-5' coro=<HTTP1ServerConnection._server_request_loop() running at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/http1connection.py:823> wait_for=<Future finished result=b'GET /api/co...quest\r\n\r\n'> cb=[IOLoop.add_future.<locals>.<lambda>() at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/ioloop.py:688]> while another task <Task pending name='Task-2' coro=<KernelManager._async_start_kernel() running at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/jupyter_client/manager.py:331>> is being executed.
ERROR:asyncio:Exception in callback <TaskWakeupMethWrapper object at 0x7fc5f002da60>(<Future finis...late\r\n\r\n'>)
handle: <Handle <TaskWakeupMethWrapper object at 0x7fc5f002da60>(<Future finis...late\r\n\r\n'>)>
Traceback (most recent call last):
File "/opt/anaconda3/envs/entornor/lib/python3.8/asyncio/events.py", line 81, in _run
self._context.run(self._callback, *self._args)
RuntimeError: Cannot enter into task <Task pending name='Task-12' coro=<HTTP1ServerConnection._server_request_loop() running at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/http1connection.py:823> wait_for=<Future finished result=b'GET /custom...flate\r\n\r\n'> cb=[IOLoop.add_future.<locals>.<lambda>() at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/ioloop.py:688]> while another task <Task pending name='Task-36' coro=<MappingKernelManager.start_kernel() running at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/notebook/services/kernels/kernelmanager.py:176> cb=[IOLoop.add_future.<locals>.<lambda>() at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/ioloop.py:688]> is being executed.
ERROR:asyncio:Exception in callback <TaskWakeupMethWrapper object at 0x7fc5f002d790>(<Future finis...late\r\n\r\n'>)
handle: <Handle <TaskWakeupMethWrapper object at 0x7fc5f002d790>(<Future finis...late\r\n\r\n'>)>
Traceback (most recent call last):
File "/opt/anaconda3/envs/entornor/lib/python3.8/asyncio/events.py", line 81, in _run
self._context.run(self._callback, *self._args)
RuntimeError: Cannot enter into task <Task pending name='Task-13' coro=<HTTP1ServerConnection._server_request_loop() running at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/http1connection.py:823> wait_for=<Future finished result=b'GET /static...flate\r\n\r\n'> cb=[IOLoop.add_future.<locals>.<lambda>() at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/ioloop.py:688]> while another task <Task pending name='Task-36' coro=<MappingKernelManager.start_kernel() running at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/notebook/services/kernels/kernelmanager.py:176> cb=[IOLoop.add_future.<locals>.<lambda>() at /opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/ioloop.py:688]> is being executed.
[I 13:33:33.022 NotebookApp] Kernel started: 4c13344d-0183-4a69-ae2f-b096e0381969, name: ir
[W 13:33:33.029 NotebookApp] 404 GET /nbextensions/widgets/notebook/js/extension.js?v=20211006133325 (::1) 8.840000ms referer=http://localhost:8889/notebooks/INSPYR/Curso%20Data%20Analytics%202021_2022/R/kernel_R_blank.ipynb
dyld: Library not loaded: @rpath/libreadline.6.2.dylib
Referenced from: /opt/anaconda3/lib/R/lib/libR.dylib
Reason: image not found
[I 13:33:36.025 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports
dyld: Library not loaded: @rpath/libreadline.6.2.dylib
Referenced from: /opt/anaconda3/lib/R/lib/libR.dylib
Reason: image not found
[W 13:34:33.048 NotebookApp] Timeout waiting for kernel_info reply from 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:34:37.607 NotebookApp] Nudge: attempt 10 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:34:42.648 NotebookApp] Nudge: attempt 20 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:34:47.703 NotebookApp] Nudge: attempt 30 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:34:52.761 NotebookApp] Nudge: attempt 40 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:34:57.822 NotebookApp] Nudge: attempt 50 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:35:02.875 NotebookApp] Nudge: attempt 60 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:35:07.927 NotebookApp] Nudge: attempt 70 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:35:12.986 NotebookApp] Nudge: attempt 80 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:35:18.039 NotebookApp] Nudge: attempt 90 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:35:23.096 NotebookApp] Nudge: attempt 100 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
[W 13:35:28.146 NotebookApp] Nudge: attempt 110 on kernel 4c13344d-0183-4a69-ae2f-b096e0381969
/opt/anaconda3/envs/entornor/lib/python3.8/json/encoder.py:257: UserWarning: date_default is deprecated since jupyter_client 7.0.0. Use jupyter_client.jsonutil.json_default.
return _iterencode(o, 0)
[I 13:35:33.001 NotebookApp] Saving file at /INSPYR/Curso Data Analytics 2021_2022/R/kernel_R_blank.ipynb
[E 13:35:33.058 NotebookApp] Uncaught exception GET /api/kernels/4c13344d-0183-4a69-ae2f-b096e0381969/channels?session_id=a668eb1aa6fd463ea8422ed32d825314 (::1)
HTTPServerRequest(protocol='http', host='localhost:8889', method='GET', uri='/api/kernels/4c13344d-0183-4a69-ae2f-b096e0381969/channels?session_id=a668eb1aa6fd463ea8422ed32d825314', version='HTTP/1.1', remote_ip='::1')
Traceback (most recent call last):
File "/opt/anaconda3/envs/entornor/lib/python3.8/site-packages/tornado/websocket.py", line 956, in _accept_connection
await open_result
File "/opt/anaconda3/envs/entornor/lib/python3.8/asyncio/tasks.py", line 349, in __wakeup
future.result()
tornado.util.TimeoutError: Timeout
[W 13:35:34.076 NotebookApp] Replacing stale connection: 4c13344d-0183-4a69-ae2f-b096e0381969:a668eb1aa6fd463ea8422ed32d825314
【问题讨论】：
标签： r jupyter-notebook anaconda3