VS Code cannot connect to jupyverse

[Atry]

Description

I got the following error when trying to connect to jupyverse from VSCode

Connection failure. Verify the server is running and reachable. (invalid json response body at http://127.0.0.1:8000/login reason: Unexpected token < in JSON at position 0).

Reproduce

Step 1: Install jupyverse

pip install jupyverse[auth,jupyterlab]==0.4.2

Step2: Start jupyverse

$ jupyverse
[2024-03-31 20:49:55,408 INFO] Running in development mode
[2024-03-31 20:49:55,420 INFO] Starting application
[2024-03-31 20:49:56,247 INFO] 
[2024-03-31 20:49:56,247 INFO] To access the server, copy and paste this URL:
[2024-03-31 20:49:56,248 INFO] http://127.0.0.1:8000/?token=7b91e9c1fa1244768a041a6b175c53b9
[2024-03-31 20:49:56,248 INFO] 
[2024-03-31 20:49:56,257 INFO] Started server process [35886]
[2024-03-31 20:49:56,257 INFO] Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
[2024-03-31 20:49:56,257 INFO] Application started

Step 3:

In VSCode, try to connect to http://127.0.0.1:8000/?token=7b91e9c1fa1244768a041a6b175c53b9, according to
https://code.visualstudio.com/docs/datascience/notebooks-web#_connect-to-a-remote-jupyter-server

Result

Connection failure. Verify the server is running and reachable. (invalid json response body at http://127.0.0.1:8000/login reason: Unexpected token < in JSON at position 0).

Expected behavior

No error

Context

• Operating System and version: NixOS in WSL
• Browser and version: VSCode's Jupyter extension ms-toolsai.jupyter v2024.2.0
• Jupyter Server version: jupyverse 0.4.2

Troubleshoot Output

$PATH:
        /home/nixos/demo/.venv/bin
        /nix/store/3dkwsqszwx8wrqf7srj8gkvxhzfq6pci-devenv-profile/bin
        /home/nixos/peftai/.direnv/bin
        /home/nixos/.vscode-server/bin/863d2581ecda6849923a2118d93a088b0745d9d6/bin/remote-cli
        /run/wrappers/bin
        /usr/local/sbin
        /usr/local/bin
        /usr/sbin
        /usr/bin
        /sbin
        /bin
        /usr/games
        /usr/local/games
        /usr/lib/wsl/lib
        /home/nixos/.nix-profile/bin
        /nix/profile/bin
        /home/nixos/.local/state/nix/profile/bin
        /etc/profiles/per-user/nixos/bin
        /nix/var/nix/profiles/default/bin
        /run/current-system/sw/bin
        /mnt/c/Program Files/WindowsApps/MicrosoftCorporationII.WindowsSubsystemForLinux_2.1.5.0_x64__8wekyb3d8bbwe
        /mnt/c/Program Files/Microsoft MPI/Bin/
        /mnt/c/Python312/Scripts/
        /mnt/c/Python312/
        /mnt/c/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v12.2/bin
        /mnt/c/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v12.2/libnvvp
        /mnt/c/Python311/Scripts/
        /mnt/c/Python311/
        /mnt/c/Program Files (x86)/Common Files/Oracle/Java/javapath
        /mnt/c/Program Files/ImageMagick-7.1.1-Q16-HDRI
        /mnt/c/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v12.0/bin
        /mnt/c/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v12.0/libnvvp
        /mnt/c/Python310/Scripts/
        /mnt/c/Python310/
        /mnt/c/Windows/system32
        /mnt/c/Windows
        /mnt/c/Windows/System32/Wbem
        /mnt/c/Windows/System32/WindowsPowerShell/v1.0/
        /mnt/c/Windows/System32/OpenSSH/
        /mnt/c/ProgramData/chocolatey/bin
        /mnt/c/Program Files/Microsoft VS Code/bin
        /mnt/c/Program Files (x86)/NVIDIA Corporation/PhysX/Common
        /mnt/c/Program Files/dotnet/
        /mnt/c/ProgramData/nvm
        /mnt/c/Program Files/nodejs
        /mnt/c/tools/gsudo/Current
        /mnt/c/Program Files (x86)/Nodist/bin
        /mnt/c/Program Files/Java/jdk1.8.0_211/bin
        /mnt/c/ProgramData/chocolatey/lib/mpv.install/tools
        /mnt/c/Program Files/Kubernetes/Minikube
        /mnt/c/WINDOWS/system32
        /mnt/c/WINDOWS
        /mnt/c/WINDOWS/System32/Wbem
        /mnt/c/WINDOWS/System32/WindowsPowerShell/v1.0/
        /mnt/c/WINDOWS/System32/OpenSSH/
        /mnt/c/Program Files/gs/gs10.00.0/bin
        /mnt/c/Program Files (x86)/PDFtk/bin/
        /mnt/c/Program Files/NVIDIA Corporation/NVIDIA NvDLISR
        /mnt/c/Program Files/NVIDIA Corporation/Nsight Compute 2023.2.0/
        /mnt/c/Program Files/Git/cmd
        /mnt/c/ProgramData/nvm
        /mnt/c/Program Files/nodejs
        /mnt/c/Program Files/OpenJDK/jdk-21.0.1/bin
        /mnt/c/Program Files (x86)/sbt/bin
        /mnt/c/Program Files/GitHub CLI/
        /mnt/e/ChatWithRTX/env_nvd_rag/Lib/site-packages/torch/lib
        /mnt/c/Program Files/Docker/Docker/resources/bin
        /mnt/c/Users/atry/AppData/Local/Programs/Python/Launcher/
        /mnt/c/Users/atry/AppData/Local/Programs/Python/Python310/Scripts/
        /mnt/c/Users/atry/AppData/Local/Programs/Python/Python310/
        /mnt/c/Users/atry/scoop/shims
        /mnt/c/Users/atry/AppData/Local/Microsoft/WindowsApps
        /mnt/c/ProgramData/nvm
        /mnt/c/Program Files/nodejs
        /mnt/c/ProgramData/chocolatey/lib/psutils/tools/psutils-master/
        /mnt/c/Users/atry/AppData/Roaming/Python/Scripts
        /mnt/c/Users/atry/AppData/Local/Microsoft/WindowsApps
        /mnt/c/ProgramData/nvm
        /mnt/c/Program Files/nodejs
        /nix/store/klc3y2c97sc22wsv1cjwf4dfwcws095l-systemd-255.2/bin
        /nix/store/320v66ili0mwnyrxj3dwbxm0z8ndkbw7-gnugrep-3.11/bin
        /nix/store/klc3y2c97sc22wsv1cjwf4dfwcws095l-systemd-255.2/bin
        /nix/store/320v66ili0mwnyrxj3dwbxm0z8ndkbw7-gnugrep-3.11/bin
sys.path:

/home/nixos/peftai/.venv/bin

/nix/store/3dkwsqszwx8wrqf7srj8gkvxhzfq6pci-devenv-profile/lib/python3.11/site-packages

/nix/store/7wz6hm9i8wljz0hgwz1wqmn2zlbgavrq-python3-3.11.8/lib/python311.zip

/nix/store/7wz6hm9i8wljz0hgwz1wqmn2zlbgavrq-python3-3.11.8/lib/python3.11

/nix/store/7wz6hm9i8wljz0hgwz1wqmn2zlbgavrq-python3-3.11.8/lib/python3.11/lib-dynload

/home/nixos/demo/.venv/lib/python3.11/site-packages

/home/nixos/peftai/lib/absurd/src

/home/nixos/peftai/lib/auto-dataclass/src

/home/nixos/peftai/lib/auto-extend/src

/home/nixos/peftai/lib/dunder-mixin/src

/home/nixos/peftai/lib/mro/src

/home/nixos/peftai/src

/home/nixos/peftai/lib/picklable-singleton/src

/home/nixos/peftai/lib/resolved-property/src

/home/nixos/peftai/lib/run-module/src
sys.executable:

/home/nixos/demo/.venv/bin/python
sys.version:

3.11.8 (main, Feb  6 2024, 21:21:21) [GCC 13.2.0]
platform.platform():

Linux-5.15.146.1-microsoft-standard-WSL2-x86_64-with-glibc2.38
which -a jupyter:

/home/nixos/demo/.venv/bin/jupyter
pip list:

Package                     Version        Editable project location

--------------------------- -------------- ------------------------------------------

absurd                      1.0.0          /home/nixos/peftai/lib/absurd

accelerate                  0.23.0

aiofiles                    23.2.1

aiohttp                     3.8.6

aiosignal                   1.3.1

aiosqlite                   0.20.0

annotated-types             0.6.0

anyio                       4.3.0

argon2-cffi                 23.1.0

argon2-cffi-bindings        21.2.0

arrow                       1.3.0

asgiref                     3.8.1

asphalt                     4.12.0

asphalt-web                 1.3.1

asttokens                   2.4.0

async-generator             1.10

async-lru                   2.0.4

async-timeout               4.0.3

asyncio-extras              1.3.2

asyncstdlib                 3.10.9

attrs                       23.1.0

auto-dataclass              1.0.0          /home/nixos/peftai/lib/auto-dataclass

auto-extend                 1.0.0          /home/nixos/peftai/lib/auto-extend

autoawq                     0.2.4

autoawq_kernels             0.0.6

autoflake                   2.2.1

autoimport                  1.4.0

azure-cli                   2.58.0

Babel                       2.14.0

backcall                    0.2.0

bcrypt                      4.1.2

beautifulsoup4              4.12.2

bitsandbytes                0.43.0

black                       24.3.0

bleach                      6.1.0

cached_classproperty        1.0.1

cachetools                  5.3.1

certifi                     2023.7.22

cffi                        1.16.0

charset-normalizer          3.3.0

click                       8.1.7

cloudpickle                 3.0.0

comm                        0.1.4

cryptography                41.0.4

cupy-cuda12x                12.1.0

datasets                    2.18.0

debugpy                     1.8.0

decorator                   5.1.1

deepmerge                   1.1.0

defusedxml                  0.7.1

dill                        0.3.8

diskcache                   5.6.3

dnspython                   2.6.1

docstring-to-markdown       0.15

dunder-mixin                1.0.0          /home/nixos/peftai/lib/dunder-mixin

ecdsa                       0.18.0

einops                      0.7.0

email_validator             2.1.1

executing                   2.0.0

fastapi                     0.110.0

fastapi-users               12.1.3

fastapi-users-db-sqlalchemy 6.0.1

fastjsonschema              2.18.1

fastrlock                   0.8.2

filelock                    3.12.4

flash-attn                  2.5.6

fps_auth                    0.4.2

fps_contents                0.4.2

fps_frontend                0.4.2

fps_jupyterlab              0.4.2

fps_kernels                 0.4.2

fps_lab                     0.4.2

fps_login                   0.4.2

fps_nbconvert               0.4.2

fps_terminals               0.4.2

fps_yjs                     0.4.2

fqdn                        1.5.1

frozenlist                  1.4.0

fsspec                      2023.9.2

gptcache                    0.1.42

greenlet                    3.0.3

guidance                    0.0.64

h11                         0.14.0

hiredis                     2.2.3

httpcore                    1.0.5

httptools                   0.6.1

httpx                       0.26.0

httpx-oauth                 0.13.2

huggingface-hub             0.19.4

idna                        3.4

immutables                  0.20

interegular                 0.3.3

ipykernel                   6.25.2

ipython                     8.16.1

ipywidgets                  8.1.2

isoduration                 20.11.0

isort                       5.13.2

jaraco.functools            3.9.0

jedi                        0.19.1

Jinja2                      3.1.2

joblib                      1.3.2

json5                       0.9.24

jsonpointer                 2.4

jsonschema                  4.19.1

jsonschema-specifications   2023.7.1

jupyter                     1.0.0

jupyter_client              8.4.0

jupyter-console             6.6.3

jupyter_core                5.4.0

jupyter-events              0.10.0

jupyter-kernel-gateway      3.0.1

jupyter-lsp                 2.2.4

jupyter_server              2.13.0

jupyter_server_terminals    0.5.3

jupyterlab                  4.1.5

jupyterlab-pygments         0.2.2

jupyterlab_server           2.25.4

jupyterlab_widgets          3.0.10

jupyverse                   0.4.2

jupyverse_api               0.4.2

lark                        1.1.9

llvmlite                    0.42.0

maison                      1.4.3

makefun                     1.15.2

markdown-it-py              3.0.0

MarkupSafe                  2.1.3

matplotlib-inline           0.1.6

mdurl                       0.1.2

mistune                     3.0.2

more-itertools              9.1.0

mpmath                      1.3.0

mro                         1.0.0          /home/nixos/peftai/lib/mro

msal                        1.24.1

msgpack                     1.0.8

multidict                   6.0.4

multiprocess                0.70.16

mypy-extensions             1.0.0

nbclient                    0.8.0

nbconvert                   7.9.2

nbformat                    5.9.2

nest-asyncio                1.5.8

networkx                    3.1

ninja                       1.11.1.1

nodeenv                     1.8.0

notebook                    7.1.2

notebook_shim               0.2.4

numba                       0.59.1

numpy                       1.26.0

nvidia-cublas-cu12          12.1.3.1

nvidia-cuda-cupti-cu12      12.1.105

nvidia-cuda-nvrtc-cu12      12.1.105

nvidia-cuda-runtime-cu12    12.1.105

nvidia-cudnn-cu12           8.9.2.26

nvidia-cufft-cu12           11.0.2.54

nvidia-curand-cu12          10.3.2.106

nvidia-cusolver-cu12        11.4.5.107

nvidia-cusparse-cu12        12.1.0.106

nvidia-nccl-cu12            2.18.1

nvidia-nvjitlink-cu12       12.4.99

nvidia-nvtx-cu12            12.1.105

openai                      0.28.1

outlines                    0.0.37

overrides                   7.7.0

packaging                   23.2

pandas                      2.2.1

pandocfilters               1.5.0

parso                       0.8.3

passlib                     1.7.4

pathspec                    0.12.1

peft                        0.5.0

peftai                      1.0.0          /home/nixos/peftai

pexpect                     4.8.0

picklable-singleton         1.0.0          /home/nixos/peftai/lib/picklable-singleton

pickleshare                 0.7.5

pip                         24.0

platformdirs                3.11.0

pluggy                      1.4.0

poetry                      1.8.2

prometheus_client           0.20.0

prompt-toolkit              3.0.39

protobuf                    5.26.0

psutil                      5.9.5

ptyprocess                  0.7.0

pure-eval                   0.2.2

py-cord                     2.4.1

pyarrow                     15.0.2

pyarrow-hotfix              0.6

pyasn1                      0.5.0

pycparser                   2.21

pycrdt                      0.8.17

pydantic                    2.0.3

pydantic_core               2.3.0

pyflakes                    3.1.0

Pygments                    2.16.1

pygtrie                     2.5.0

PyJWT                       2.8.0

pynvml                      11.5.0

pyparsing                   3.1.1

pyprojroot                  0.3.0

pyright                     1.1.331

PySide6                     6.6.3

PySide6_Addons              6.6.3

PySide6_Essentials          6.6.3

python-dateutil             2.8.2

python-dotenv               1.0.1

python-jose                 3.3.0

python-json-logger          2.0.7

python-jsonrpc-server       0.4.0

python-language-server      0.36.2

python-lsp-jsonrpc          1.1.2

python-lsp-server           1.11.0

python-multipart            0.0.7

python-ulid                 1.1.0

pytz                        2024.1

pyxll                       5.8.0

pyxll_jupyter               0.5.2

PyYAML                      6.0.1

pyzmq                       25.1.1

qtconsole                   5.5.1

QtPy                        2.4.1

ray                         2.10.0

redis                       4.6.0

redis-om                    0.2.1

referencing                 0.30.2

regex                       2023.10.3

remixin                     1.0.0          /home/nixos/peftai/lib/remixin

requests                    2.31.0

resolved-property           1.0.0          /home/nixos/peftai/lib/resolved-property

rfc3339-validator           0.1.4

rfc3986-validator           0.1.1

rich                        13.7.1

rich-click                  1.7.4

rpds-py                     0.10.6

rsa                         4.9

ruamel.yaml                 0.18.6

ruamel.yaml.clib            0.2.8

run-module                  1.0.0          /home/nixos/peftai/lib/run-module

safetensors                 0.4.2

scipy                       1.11.3

Send2Trash                  1.8.2

sentencepiece               0.2.0

setuptools                  69.2.0

sh                          2.0.6

shiboken6                   6.6.3

six                         1.16.0

sniffio                     1.3.1

soupsieve                   2.5

SQLAlchemy                  2.0.29

stack-data                  0.6.3

starlette                   0.36.3

sympy                       1.12

terminado                   0.18.1

tiktoken                    0.5.1

tinycss2                    1.2.1

tokenizers                  0.15.0

toml                        0.10.2

torch                       2.1.2

tornado                     6.3.3

tqdm                        4.66.1

traitlets                   5.11.2

transformers                4.38.2

triton                      2.1.0

typeguard                   4.1.5

types-pyOpenSSL             23.2.0.2

types-python-dateutil       2.9.0.20240316

types-redis                 4.6.0.7

typing_extensions           4.8.0

tzdata                      2024.1

ujson                       5.9.0

uri-template                1.3.0

urllib3                     2.0.6

uvicorn                     0.29.0

uvloop                      0.19.0

vllm                        0.3.3

vulnix                      1.10.1

watchfiles                  0.21.0

wcwidth                     0.2.8

webcolors                   1.13

webencodings                0.5.1

websocket-client            1.7.0

websockets                  12.0

widgetsnbextension          4.0.10

xdg                         6.0.0

xformers                    0.0.23.post1

xxhash                      3.4.1

yarl                        1.9.2

zstandard                   0.22.0

Command Line Output

$ jupyverse
[2024-03-31 20:59:50,386 INFO] Running in development mode
[2024-03-31 20:59:50,399 INFO] Starting application
[2024-03-31 20:59:51,223 INFO] 
[2024-03-31 20:59:51,224 INFO] To access the server, copy and paste this URL:
[2024-03-31 20:59:51,224 INFO] http://127.0.0.1:8000/?token=9a8c8f6032f843e0bd1e1769f8f0578c
[2024-03-31 20:59:51,224 INFO] 
[2024-03-31 20:59:51,231 INFO] Started server process [38398]
[2024-03-31 20:59:51,231 INFO] Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
[2024-03-31 20:59:51,231 INFO] Application started
[2024-03-31 21:00:18,920 INFO] 127.0.0.1:54144 - "GET /hub/api HTTP/1.1" 404
[2024-03-31 21:00:19,974 INFO] 127.0.0.1:54154 - "GET /tree HTTP/1.1" 404
[2024-03-31 21:00:21,038 INFO] 127.0.0.1:54182 - "GET /api/kernels?1711918820006 HTTP/1.1" 307
[2024-03-31 21:00:21,040 INFO] 127.0.0.1:54162 - "GET /api/kernelspecs?1711918820004 HTTP/1.1" 307
[2024-03-31 21:00:21,042 INFO] 127.0.0.1:54174 - "GET /api/kernels?1711918820005 HTTP/1.1" 307
[2024-03-31 21:00:21,042 INFO] 127.0.0.1:54194 - "GET /api/sessions?1711918820006 HTTP/1.1" 307
[2024-03-31 21:00:22,086 INFO] 127.0.0.1:54198 - "GET /login HTTP/1.1" 200
[2024-03-31 21:00:22,086 INFO] 127.0.0.1:54212 - "GET /login HTTP/1.1" 200
[2024-03-31 21:00:22,087 INFO] 127.0.0.1:54218 - "GET /login HTTP/1.1" 200
[2024-03-31 21:00:22,087 INFO] 127.0.0.1:54232 - "GET /login HTTP/1.1" 200

Client Output

21:00:19.971 [error] Jupyter Lab Helper:getKernelSpecs failure:  Error: Poll (@jupyterlab/services:KernelSpecManager#specs) is disposed.
    at v.dispose (~/.vscode-server/extensions/ms-toolsai.jupyter-2024.2.0-linux-x64/dist/node_modules/@jupyterlab/services.js:11:10935)
    at ni.dispose (~/.vscode-server/extensions/ms-toolsai.jupyter-2024.2.0-linux-x64/dist/node_modules/@jupyterlab/services.js:11:29299)
    at r.dispose (~/.vscode-server/extensions/ms-toolsai.jupyter-2024.2.0-linux-x64/dist/extension.node.js:198:12579)
    at processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async Promise.all (index 0)
    at sD.listKernelsFromConnection (~/.vscode-server/extensions/ms-toolsai.jupyter-2024.2.0-linux-x64/dist/extension.node.js:308:20060)
    at ~/.vscode-server/extensions/ms-toolsai.jupyter-2024.2.0-linux-x64/dist/extension.node.js:308:17959
21:00:20.003 [warn] Password for http://127.0.0.1:8000/ was invalid.

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