Cannot create a new notebook #997
Description
JupyterGIS version
0.9.2
Description
After a fresh install in a new environment, on Ubuntu 24.04/python 3.14, when I launch JupyterLab and create a notebook I get:
See logs
[I 2025-11-20 09:54:57.613 ServerApp] jupyter_lsp | extension was successfully linked.
[I 2025-11-20 09:54:57.616 ServerApp] jupyter_server_fileid | extension was successfully linked.
[I 2025-11-20 09:54:57.619 ServerApp] jupyter_server_terminals | extension was successfully linked.
[I 2025-11-20 09:54:57.622 ServerApp] jupyter_server_ydoc | extension was successfully linked.
[I 2025-11-20 09:54:57.622 ServerApp] jupytergis_core | extension was successfully linked.
[I 2025-11-20 09:54:57.622 ServerApp] jupytergis_qgis | extension was successfully linked.
[I 2025-11-20 09:54:57.626 ServerApp] jupyterlab | extension was successfully linked.
[I 2025-11-20 09:54:57.805 ServerApp] notebook_shim | extension was successfully linked.
[I 2025-11-20 09:54:57.816 ServerApp] notebook_shim | extension was successfully loaded.
[I 2025-11-20 09:54:57.817 ServerApp] jupyter_lsp | extension was successfully loaded.
[I 2025-11-20 09:54:57.817 FileIdExtension] Configured File ID manager: ArbitraryFileIdManager
[I 2025-11-20 09:54:57.817 FileIdExtension] ArbitraryFileIdManager : Configured root dir: /home/david/tmp/jupytergis
[I 2025-11-20 09:54:57.818 FileIdExtension] ArbitraryFileIdManager : Configured database path: /home/david/.local/share/jupyter/file_id_manager.db
[I 2025-11-20 09:54:57.818 FileIdExtension] ArbitraryFileIdManager : Successfully connected to database file.
[I 2025-11-20 09:54:57.818 FileIdExtension] ArbitraryFileIdManager : Creating File ID tables and indices with journal_mode = DELETE
[I 2025-11-20 09:54:57.818 FileIdExtension] Attached event listeners.
[I 2025-11-20 09:54:57.818 ServerApp] jupyter_server_fileid | extension was successfully loaded.
[I 2025-11-20 09:54:57.819 ServerApp] jupyter_server_terminals | extension was successfully loaded.
[I 2025-11-20 09:54:57.822 ServerApp] jupyter_server_ydoc | extension was successfully loaded.
[I 2025-11-20 09:54:57.823 ServerApp] jupytergis_core | extension was successfully loaded.
[I 2025-11-20 09:54:57.824 ServerApp] Registered jupytergis_qgis server extension
[I 2025-11-20 09:54:57.824 ServerApp] jupytergis_qgis | extension was successfully loaded.
[I 2025-11-20 09:54:57.826 LabApp] JupyterLab extension loaded from /home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyterlab
[I 2025-11-20 09:54:57.826 LabApp] JupyterLab application directory is /home/david/.local/share/mamba/envs/tmp-jupytergis/share/jupyter/lab
[I 2025-11-20 09:54:57.827 LabApp] Extension Manager is 'pypi'.
[I 2025-11-20 09:54:57.855 ServerApp] jupyterlab | extension was successfully loaded.
[I 2025-11-20 09:54:57.856 ServerApp] Serving notebooks from local directory: /home/david/tmp/jupytergis
[I 2025-11-20 09:54:57.856 ServerApp] Jupyter Server 2.17.0 is running at:
[I 2025-11-20 09:54:57.856 ServerApp] http://localhost:8888/lab?token=650fd3ffd7315c559cd99fa0d1b0c3f6e113fda63e2098ae
[I 2025-11-20 09:54:57.856 ServerApp] http://127.0.0.1:8888/lab?token=650fd3ffd7315c559cd99fa0d1b0c3f6e113fda63e2098ae
[I 2025-11-20 09:54:57.856 ServerApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 2025-11-20 09:54:58.187 ServerApp]
To access the server, open this file in a browser:
file:/home/david/.local/share/jupyter/runtime/jpserver-59351-open.html
Or copy and paste one of these URLs:
http://localhost:8888/lab?token=650fd3ffd7315c559cd99fa0d1b0c3f6e113fda63e2098ae
http://127.0.0.1:8888/lab?token=650fd3ffd7315c559cd99fa0d1b0c3f6e113fda63e2098ae
[I 2025-11-20 09:54:58.388 ServerApp] Skipped non-installed server(s): basedpyright, bash-language-server, dockerfile-language-server-nodejs, javascript-typescript-langserver, jedi-language-s
erver, julia-language-server, pyrefly, pyright, python-language-server, python-lsp-server, r-languageserver, sql-language-server, texlab, typescript-language-server, unified-language-server,
vscode-css-languageserver-bin, vscode-html-languageserver-bin, vscode-json-languageserver-bin, yaml-language-server
[I 2025-11-20 09:55:03.268 LabApp] Build is up to date
[I 2025-11-20 09:55:06.043 ServerApp] Creating new notebook in
[I 2025-11-20 09:55:06.122 ServerApp] Request for Y document 'RTC:Untitled.ipynb' with room ID: 30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9
[I 2025-11-20 09:55:06.410 YDocExtension] Creating FileLoader for: RTC:Untitled.ipynb
[I 2025-11-20 09:55:06.412 YDocExtension] Watching file: RTC:Untitled.ipynb
[I 2025-11-20 09:55:06.417 ServerApp] Initializing room json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9
[E 2025-11-20 09:55:06.420 ServerApp] File RTC:Untitled.ipynb not found.
HTTPError()
Traceback (most recent call last):
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/handlers.py", line 244, in open
await self.room.initialize()
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/rooms.py", line 111, in initialize
model = await self._file.load_content(self._file_format, self._file_type)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/loaders.py", line 125, in load_content
model = await ensure_async(
^^^^^^^^^^^^^^^^^^^
self._contents_manager.get(self.path, format=format, type=file_type, content=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_core/utils/__init__.py", line 214, in ensure_async
result = await obj
^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server/services/contents/filemanager.py", line 912, in get
raise web.HTTPError(404, "No such file or directory: %s" % path)
tornado.web.HTTPError: HTTP 404: Not Found (No such file or directory: RTC:Untitled.ipynb)
[E 2025-11-20 09:55:06.426 ServerApp] Failed to write message
Traceback (most recent call last):
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/handlers.py", line 278, in send
self.write_message(message, binary=True)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 360, in write_message
raise WebSocketClosedError()
tornado.websocket.WebSocketClosedError
[I 2025-11-20 09:55:06.427 ServerApp] Deleting Y document from memory: json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9
[I 2025-11-20 09:55:06.428 ServerApp] Room json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9 deleted
[I 2025-11-20 09:55:06.428 ServerApp] Deleting file RTC:Untitled.ipynb
[E 2025-11-20 09:55:06.460 ServerApp] Uncaught exception GET /api/collaboration/room/json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9?sessionId=54268884-b9e9-445a-84f5-7e846f6fd882 (127.0.0
.1)
HTTPServerRequest(protocol='http', host='localhost:8888', method='GET', uri='/api/collaboration/room/json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9?sessionId=54268884-b9e9-445a-84f5-7
e846f6fd882', version='HTTP/1.1', remote_ip='127.0.0.1')
Traceback (most recent call last):
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/web.py", line 1848, in _execute
result = await result
^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/handlers.py", line 220, in get
return await super().get(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 277, in get
await self.ws_connection.accept_connection(self)
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 890, in accept_connection
await self._accept_connection(handler)
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 973, in _accept_connection
await self._receive_frame_loop()
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 1130, in _receive_frame_loop
self.handler.on_ws_connection_close(self.close_code, self.close_reason)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 599, in on_ws_connection_close
self.on_connection_close()
~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 591, in on_connection_close
self.on_close()
~~~~~~~~~~~~~^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/handlers.py", line 324, in on_close
if isinstance(self.room, DocumentRoom) and self.room.clients == [self]:
^^^^^^^^^
AttributeError: 'YDocWebSocketHandler' object has no attribute 'room'
[I 2025-11-20 09:55:06.470 ServerApp] Kernel started: ea7154d6-bb45-4cdc-91a6-9802886c105c
[E 2025-11-20 09:55:06.473 YDocExtension] Jupyter Websocket Server:
+ Exception Group Traceback (most recent call last):
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt_websocket/websocket_server.py", line 217, in start
| async with create_task_group() as self._task_group:
| ~~~~~~~~~~~~~~~~~^^
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/anyio/_backends/_asyncio.py", line 781, in __aexit__
| raise BaseExceptionGroup(
| "unhandled errors in a TaskGroup", self._exceptions
| ) from None
| ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
+-+---------------- 1 ----------------
| Exception Group Traceback (most recent call last):
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt_websocket/yroom.py", line 226, in start
| async with create_task_group() as self._task_group:
| ~~~~~~~~~~~~~~~~~^^
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/anyio/_backends/_asyncio.py", line 781, in __aexit__
| raise BaseExceptionGroup(
| "unhandled errors in a TaskGroup", self._exceptions
| ) from None
| ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
+-+---------------- 1 ----------------
| Traceback (most recent call last):
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/rooms.py", line 206, in _broadcast_updates
| await super()._broadcast_updates()
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt_websocket/yroom.py", line 148, in _broadcast_updates
| await self._task_group.start(self.ystore.start)
| ^^^^^^^^^^^^^^^^^^^^^^
| AttributeError: 'NoneType' object has no attribute 'start'
+------------------------------------
|
| During handling of the above exception, another exception occurred:
|
| Traceback (most recent call last):
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt_websocket/yroom.py", line 239, in start
| await self.awareness.stop()
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt/_awareness.py", line 99, in stop
| raise RuntimeError("Awareness not started")
| RuntimeError: Awareness not started
[I 2025-11-20 09:55:06.994 ServerApp] Connecting to kernel ea7154d6-bb45-4cdc-91a6-9802886c105c.
[W 2025-11-20 09:55:06.996 ServerApp] The websocket_ping_timeout (90000) cannot be longer than the websocket_ping_interval (30000).
Setting websocket_ping_timeout=30000
[I 2025-11-20 09:55:06.998 ServerApp] Connecting to kernel ea7154d6-bb45-4cdc-91a6-9802886c105c.
[I 2025-11-20 09:55:07.002 ServerApp] Connecting to kernel ea7154d6-bb45-4cdc-91a6-9802886c105c.
[I 2025-11-20 09:55:07.004 YDocExtension] Creating FileLoader for: RTC:Untitled.ipynb
[I 2025-11-20 09:55:07.004 YDocExtension] Watching file: RTC:Untitled.ipynb
[I 2025-11-20 09:55:07.005 ServerApp] Initializing room json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9
[E 2025-11-20 09:55:07.005 ServerApp] File RTC:Untitled.ipynb not found.
HTTPError()
Traceback (most recent call last):
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/handlers.py", line 244, in open
await self.room.initialize()
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/rooms.py", line 111, in initialize
model = await self._file.load_content(self._file_format, self._file_type)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/loaders.py", line 125, in load_content
model = await ensure_async(
^^^^^^^^^^^^^^^^^^^
self._contents_manager.get(self.path, format=format, type=file_type, content=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_core/utils/__init__.py", line 214, in ensure_async
result = await obj
^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server/services/contents/filemanager.py", line 912, in get
raise web.HTTPError(404, "No such file or directory: %s" % path)
tornado.web.HTTPError: HTTP 404: Not Found (No such file or directory: RTC:Untitled.ipynb)
[E 2025-11-20 09:55:07.006 ServerApp] Failed to write message
Traceback (most recent call last):
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/handlers.py", line 278, in send
self.write_message(message, binary=True)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 360, in write_message
raise WebSocketClosedError()
tornado.websocket.WebSocketClosedError
[I 2025-11-20 09:55:07.006 ServerApp] Deleting Y document from memory: json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9
[I 2025-11-20 09:55:07.007 ServerApp] Room json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9 deleted
[I 2025-11-20 09:55:07.007 ServerApp] Deleting file RTC:Untitled.ipynb
[E 2025-11-20 09:55:07.008 ServerApp] Uncaught exception GET /api/collaboration/room/json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9?sessionId=54268884-b9e9-445a-84f5-7e846f6fd882 (127.0.0
.1)
HTTPServerRequest(protocol='http', host='localhost:8888', method='GET', uri='/api/collaboration/room/json:notebook:30d1c6ce-bd22-42bd-be14-96ad9b1bf2d9?sessionId=54268884-b9e9-445a-84f5-7
e846f6fd882', version='HTTP/1.1', remote_ip='127.0.0.1')
Traceback (most recent call last):
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/web.py", line 1848, in _execute
result = await result
^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/handlers.py", line 220, in get
return await super().get(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 277, in get
await self.ws_connection.accept_connection(self)
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 890, in accept_connection
await self._accept_connection(handler)
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 973, in _accept_connection
await self._receive_frame_loop()
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 1130, in _receive_frame_loop
self.handler.on_ws_connection_close(self.close_code, self.close_reason)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 599, in on_ws_connection_close
self.on_connection_close()
~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/tornado/websocket.py", line 591, in on_connection_close
self.on_close()
~~~~~~~~~~~~~^^
File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/handlers.py", line 324, in on_close
if isinstance(self.room, DocumentRoom) and self.room.clients == [self]:
^^^^^^^^^
AttributeError: 'YDocWebSocketHandler' object has no attribute 'room'
[E 2025-11-20 09:55:07.010 YDocExtension] Jupyter Websocket Server:
+ Exception Group Traceback (most recent call last):
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt_websocket/websocket_server.py", line 217, in start
| async with create_task_group() as self._task_group:
| ~~~~~~~~~~~~~~~~~^^
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/anyio/_backends/_asyncio.py", line 781, in __aexit__
| raise BaseExceptionGroup(
| "unhandled errors in a TaskGroup", self._exceptions
| ) from None
| ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
+-+---------------- 1 ----------------
| Exception Group Traceback (most recent call last):
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt_websocket/yroom.py", line 226, in start
| async with create_task_group() as self._task_group:
| ~~~~~~~~~~~~~~~~~^^
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/anyio/_backends/_asyncio.py", line 781, in __aexit__
| raise BaseExceptionGroup(
| "unhandled errors in a TaskGroup", self._exceptions
| ) from None
| ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
+-+---------------- 1 ----------------
| Traceback (most recent call last):
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/jupyter_server_ydoc/rooms.py", line 206, in _broadcast_updates
| await super()._broadcast_updates()
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt_websocket/yroom.py", line 148, in _broadcast_updates
| await self._task_group.start(self.ystore.start)
| ^^^^^^^^^^^^^^^^^^^^^^
| AttributeError: 'NoneType' object has no attribute 'start'
+------------------------------------
|
| During handling of the above exception, another exception occurred:
|
| Traceback (most recent call last):
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt_websocket/yroom.py", line 239, in start
| await self.awareness.stop()
| File "/home/david/.local/share/mamba/envs/tmp-jupytergis/lib/python3.14/site-packages/pycrdt/_awareness.py", line 99, in stop
| raise RuntimeError("Awareness not started")
| RuntimeError: Awareness not started