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kernel Status: Unknown in Jupyterhub 3.2.1 while connecting remote kernel vai Jupyter Enterprise Gateway 3.2.1 on K8s 1.25 AWS EKS #1360

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roshan3133 opened this issue Jan 16, 2024 · 3 comments
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kernel Status: Unknown in Jupyterhub 3.2.1 while connecting remote kernel vai Jupyter Enterprise Gateway 3.2.1 on K8s 1.25 AWS EKS #1360

roshan3133 opened this issue Jan 16, 2024 · 3 comments
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roshan3133 commented Jan 16, 2024 •
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Description

kernel Status: Unknown in Jupyterhub 3.2.1 while connecting remote kernel vai Jupyter Enterprise Gateway 3.2.1

Reproduce

  1. helm upgrade --install enterprise-gateway https://github.com/jupyter-server/enterprise_gateway/releases/download/v3.2.1/jupyter_enterprise_gateway_helm-3.2.1.tar.gz --kube-context kubernetes:443 --namespace enterprise-gateway --values ./enterprise-gateway/values.yml
  2. helm upgrade --install jupyterhub jupyterhub/jupyterhub --values ./jupyterhub/values.yml -n jupyterhub

Expected behavior

It should execute jupyter notebook to respected kernel and execute commands in notebook cell

Context

  • Jupyterhub 3.2.1
  • Jupyter enterprise gateway 3.2.1
  • K8s - 1.25

extraEnv: @ ./jupyterhub/values.yml

EDITOR: "vim"
JUPYTER_GATEWAY_URL: "http://enterprise-gateway.enterprise-gateway.svc.cluster.local:8888"
LOG_LEVEL: "DEBUG"   
JUPYTER_GATEWAY_CONNECT_TIMEOUT: "1200"
JUPYTER_GATEWAY_REQUEST_TIMEOUT: "1200"
KERNEL_USERNAME: "jovyan"
KERNEL_SERVICE_ACCOUNT_NAME: "enterprise-gateway-sa"
KERNEL_NAMESPACE: "enterprise-gateway"

extraEnv: { @ ./enterprise-gateway/values.yml

EG_INHERITED_ENVS: "PATH",
EG_KUBERNETES_LOG_LEVEL: "WARNING",
EG_SHARED_NAMESPACE : "enterprise-gateway",
EG_AUTHORIZED_USERS: "jovyan",

}

forum link

for the same - https://discourse.jupyter.org/t/failed-to-connect-jupyter-enterprise-gateway-from-jupyterhub/23319

List of all available remote kernel vai JEG

ss2

Python kernel status unknown

ss3

@ JEG remote python kernel pods logs from gateway-enterprises namespace.

/usr/local/bin/bootstrap-kernel.sh env: SHELL=/bin/bash KUBERNETES_SERVICE_PORT_HTTPS=443 KUBERNETES_SERVICE_PORT=443 ENTERPRISE_GATEWAY_PORT_8877_TCP=tcp://172.20.93.178:8877 KERNEL_NAME=python_kubernetes ENTERPRISE_GATEWAY_SERVICE_PORT_HTTP=8888 EG_IMPERSONATION_ENABLED=False HOSTNAME=jovyan-95aae2ac-27c3-4912-a326-cedfbc52d302 LANGUAGE=en_US.UTF-8 KERNEL_SPARK_CONTEXT_INIT_MODE=none KERNEL_ID=95aae2ac-27c3-4912-a326-cedfbc52d302 NB_UID=1000 ENTERPRISE_GATEWAY_SERVICE_HOST=172.20.93.178 KERNEL_UID=1000 KERNEL_IMAGE=elyra/kernel-py:3.2.1 KERNEL_LAUNCH_TIMEOUT=1198 PWD=/home/jovyan ENTERPRISE_GATEWAY_PORT_8877_TCP_PROTO=tcp RESPONSE_ADDRESS=10.1.21.239:8877 ENTERPRISE_GATEWAY_SERVICE_PORT_HTTP_RESPONSE=8877 KERNEL_SERVICE_ACCOUNT_NAME=enterprise-gateway-sa ENTERPRISE_GATEWAY_PORT_8888_TCP_PORT=8888 ENTERPRISE_GATEWAY_PORT_8888_TCP_ADDR=172.20.93.178 HOME=/home/jovyan LANG=en_US.UTF-8 KUBERNETES_PORT_443_TCP=tcp://172.20.0.1:443 ENTERPRISE_GATEWAY_PORT_8877_TCP_PORT=8877 NB_GID=100 ENTERPRISE_GATEWAY_PORT_8888_TCP=tcp://172.20.93.178:8888 EG_MIN_PORT_RANGE_SIZE=1000 XDG_CACHE_HOME=/home/jovyan/.cache/ JPY_PARENT_PID=7 ENTERPRISE_GATEWAY_PORT_8877_TCP_ADDR=172.20.93.178 KERNEL_POD_NAME=jovyan-95aae2ac-27c3-4912-a326-cedfbc52d302 SHLVL=0 CONDA_DIR=/opt/conda KERNEL_GATEWAY=1 ENTERPRISE_GATEWAY_SERVICE_PORT=8888 KUBERNETES_PORT_443_TCP_PROTO=tcp KUBERNETES_PORT_443_TCP_ADDR=172.20.0.1 PORT_RANGE=0..0 KERNEL_USERNAME=jovyan LC_CTYPE=C.UTF-8 ENTERPRISE_GATEWAY_PORT=tcp://172.20.93.178:8888 KERNEL_LANGUAGE=python NB_USER=jovyan KUBERNETES_SERVICE_HOST=172.20.0.1 ENTERPRISE_GATEWAY_PORT_8888_TCP_PROTO=tcp LC_ALL=en_US.UTF-8 KUBERNETES_PORT=tcp://172.20.0.1:443 KUBERNETES_PORT_443_TCP_PORT=443 PATH=/opt/conda/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin KERNEL_EXECUTOR_IMAGE=elyra/kernel-py:3.2.1 KERNEL_GID=100 PUBLIC_KEY=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpiPIxwaSykdaPMrJ7VB2QWFGOqNJfXWrsEFkJbSTDHibHK67xo9fGeH50dlyHChgbQpR9Ry+Qjj70itw67G8pHVnYXKK9OEvMcxyChu4bATYz2Hh4 ky1y0x+nx9+ec9DqV5M45WD5cJJExACfieI0SMvNCJiJ8fTDmfzsQKEKWwIDAQAB DEBIAN_FRONTEND=noninteractive EG_MAX_PORT_RANGE_RETRIES=5 KERNEL_NAMESPACE=enterprise-gateway _=/usr/bin/env 2024-01-16T07:27:59.172889718Z + python /usr/local/bin/kernel-launchers/python/scripts/launch_ipykernel.py --kernel-id 95aae2ac-27c3-4912-a326-cedfbc52d302 --port-range 0..0 --response-address 10.1.21.239:8877 --public-key MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpiPIxwaSykdaPMrJ7VB2QWFGOqNJfXWrsEFkJbSTDHibHK67xo9fGeH50dlyHChgbQpR9Ry+Qjj70itw67G8pHVnYXKK9OEvMcxyChu4bATYz2Hh4ky1y0x+nx9+ec9DqV5M45WD5cJJExACfieI0SMvNCJiJ8fTDmfzsQKEKWwIDAQAB --spark-context-initialization-mode none 2024-01-16T07:27:59.457362107Z [D 2024-01-16 07:27:59,457.457 launch_ipykernel] Using connection file '/tmp/kernel-95aae2ac-27c3-4912-a326-cedfbc52d302_p8654iyt.json'. [I 2024-01-16 07:27:59,457.457 launch_ipykernel] Signal socket bound to host: 0.0.0.0, port: 49879 2024-01-16T07:27:59.458635522Z [D 2024-01-16 07:27:59,458.458 launch_ipykernel] JSON Payload 'b'{"shell_port": 48549, "iopub_port": 46659, "stdin_port": 41937, "control_port": 48795, "hb_port": 34137, "ip": "0.0.0.0", "key": "dd63bcf1-d717-45c8-a6d8-a863cc49b70d", "transport": "tcp", "signature_scheme": "hmac-sha256", "kernel_name": "", "pid": 9, "pgid": 7, "comm_port": 49879, "kernel_id": "95aae2ac-27c3-4912-a326-cedfbc52d302"}' 2024-01-16T07:27:59.471050920Z [D 2024-01-16 07:27:59,470.470 launch_ipykernel] Encrypted Payload

@ Jupyter Jovyan pod logs from jupyterhub namespaces

[I 2024-01-16 09:21:37.501 ServerApp] 200 GET /user/jovyan/api/terminals?1705396900391 ([email protected]) 1.18ms 2024-01-16T09:21:37.503435541Z [I 2024-01-16 09:21:37.503 ServerApp] 200 GET /user/jovyan/api/sessions?1705396900393 ([email protected]) 0.99ms 2024-01-16T09:21:37.517833196Z [I 2024-01-16 09:21:37.517 ServerApp] 200 GET /user/jovyan/api/kernels?1705396900394 ([email protected]) 15.01ms 2024-01-16T09:21:39.236754736Z [I 2024-01-16 09:21:39.236 ServerApp] 200 GET /user/jovyan/api/contents?content=1&1705396902121 ([email protected]) 4.88ms 2024-01-16T09:21:47.908831994Z [I 2024-01-16 09:21:47.908 ServerApp] 200 GET /user/jovyan/api/terminals?1705396910794 ([email protected]) 0.91ms 2024-01-16T09:21:47.910021815Z [I 2024-01-16 09:21:47.909 ServerApp] 200 GET /user/jovyan/api/sessions?1705396910795 ([email protected]) 0.86ms 2024-01-16T09:21:47.931271425Z [I 2024-01-16 09:21:47.931 ServerApp] 200 GET /user/jovyan/api/kernels?1705396910796 ([email protected]) 21.00ms 2024-01-16T09:21:49.908197695Z [I 2024-01-16 09:21:49.908 ServerApp] 200 GET /user/jovyan/api/contents?content=1&1705396912802 ([email protected]) 4.60ms 2024-01-16T09:22:08.893515385Z [I 2024-01-16 09:22:08.893 ServerApp] 200 GET /user/jovyan/api/me?1705396931794 ([email protected]) 0.92ms 2024-01-16T09:22:08.914157365Z [I 2024-01-16 09:22:08.914 ServerApp] 200 GET /user/jovyan/api/kernelspecs?1705396931796 ([email protected]) 20.28ms 2024-01-16T09:23:12.475285982Z [I 2024-01-16 09:23:12.475 ServerApp] 101 GET /user/jovyan/api/events/subscribe?token=[secret] ([email protected]) 0.92ms

@ JEG logs from enterprise-gateway namespaces

[D 2024-01-16 09:52:30.293 EnterpriseGatewayApp] Opening websocket /api/kernels/6c332ecc-0b9f-43ad-88b4-79f2cfa8c795/channels 2024-01-16T09:52:30.293618430Z [D 2024-01-16 09:52:30.293 EnterpriseGatewayApp] Getting buffer for 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.293653830Z [D 2024-01-16 09:52:30.293 EnterpriseGatewayApp] Clearing buffer for 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.294071185Z [D 2024-01-16 09:52:30.293 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:37401 2024-01-16T09:52:30.294372849Z [D 2024-01-16 09:52:30.294 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:45771 2024-01-16T09:52:30.294604143Z [D 2024-01-16 09:52:30.294 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:45683 2024-01-16T09:52:30.294807040Z [D 2024-01-16 09:52:30.294 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:55985 2024-01-16T09:52:30.295022219Z [D 2024-01-16 09:52:30.294 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:45771 2024-01-16T09:52:30.295227226Z [D 2024-01-16 09:52:30.295 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:45683 2024-01-16T09:52:30.306247559Z [D 2024-01-16 09:52:30.306 EnterpriseGatewayApp] Nudge: attempt 1 on kernel 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.317213473Z [D 2024-01-16 09:52:30.317 EnterpriseGatewayApp] Nudge: shell info reply received: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.317245619Z [D 2024-01-16 09:52:30.317 EnterpriseGatewayApp] Nudge: resolving shell future: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.317409505Z [D 2024-01-16 09:52:30.317 EnterpriseGatewayApp] Nudge: control info reply received: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.317546189Z [D 2024-01-16 09:52:30.317 EnterpriseGatewayApp] Nudge: IOPub received: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.317632103Z [D 2024-01-16 09:52:30.317 EnterpriseGatewayApp] Nudge: resolving iopub future: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.318313 [D 2024-01-16 09:52:30.318 EnterpriseGatewayApp] activity on 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795: status (busy) 2024-01-16T09:52:30.318947681Z [D 2024-01-16 09:52:30.318 EnterpriseGatewayApp] activity on 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795: status (busy) 2024-01-16T09:52:30.324847036Z [D 2024-01-16 09:52:30.324 EnterpriseGatewayApp] activity on 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795: status (idle) 2024-01-16T09:52:30.330626121Z [D 2024-01-16 09:52:30.330 EnterpriseGatewayApp] activity on 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795: status (idle) **
2024-01-16T09:52:30.571523499Z [E 240116 09:52:30 web:1789] Uncaught exception GET /api/kernels/6c332ecc-0b9f-43ad-88b4-79f2cfa8c795/channels (10.1.51.152)
2024-01-16T09:52:30.571554861Z HTTPServerRequest(protocol='http', host='enterprise-gateway.enterprise-gateway.svc.cluster.local:8888', method='GET', uri='/api/kernels/6c332ecc-0b9f-43ad-88b4-79f2cfa8c795/channels', version='HTTP/1.1', remote_ip='10.1.51.152')
2024-01-16T09:52:30.571560130Z Traceback (most recent call last):
2024-01-16T09:52:30.571563161Z File "/opt/conda/lib/python3.9/site-packages/tornado/websocket.py", line 647, in _run_callback
result = callback(*args, **kwargs)
2024-01-16T09:52:30.571568814Z File "/opt/conda/lib/python3.9/site-packages/jupyter_server/services/kernels/handlers.py", line 460, in on_message
2024-01-16T09:52:30.571572117Z msg = json.loads(msg)
2024-01-16T09:52:30.571574855Z File "/opt/conda/lib/python3.9/json/init.py", line 346, in loads
2024-01-16T09:52:30.571577748Z return _default_decoder.decode(s)
2024-01-16T09:52:30.571580142Z File "/opt/conda/lib/python3.9/json/decoder.py", line 337, in decode
2024-01-16T09:52:30.571582805Z obj, end = self.raw_decode(s, idx=_w(s, 0).end())
2024-01-16T09:52:30.571585281Z File "/opt/conda/lib/python3.9/json/decoder.py", line 355, in raw_decode
2024-01-16T09:52:30.571587687Z raise JSONDecodeError("Expecting value", s, err.value) from None
2024-01-16T09:52:30.571596687Z json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
** 2024-01-16T09:52:30.571676704Z [D 2024-01-16 09:52:30.571 EnterpriseGatewayApp] Websocket closed 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795:c00d7be5-5fc242679e133c40cab24c39 2024-01-16T09:52:30.571791424Z [I 2024-01-16 09:52:30.571 EnterpriseGatewayApp] Starting buffering for 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795:c00d7be5-5fc242679e133c40cab24c39 2024-01-16T09:52:30.571868813Z [D 2024-01-16 09:52:30.571 EnterpriseGatewayApp] Clearing buffer for 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.940577349Z [D 2024-01-16 09:52:30.940 EnterpriseGatewayApp] Initializing websocket connection /api/kernels/6c332ecc-0b9f-43ad-88b4-79f2cfa8c795/channels 2024-01-16T09:52:30.946350673Z [W 2024-01-16 09:52:30.946 EnterpriseGatewayApp] No session ID specified 2024-01-16T09:52:30.952057725Z [I 240116 09:52:30 web:2239] 101 GET /api/kernels/6c332ecc-0b9f-43ad-88b4-79f2cfa8c795/channels (10.1.51.152) 11.71ms 2024-01-16T09:52:30.952185076Z [D 2024-01-16 09:52:30.952 EnterpriseGatewayApp] Opening websocket /api/kernels/6c332ecc-0b9f-43ad-88b4-79f2cfa8c795/channels 2024 -01-16T09:52:30.952311797Z [D 2024-01-16 09:52:30.952 EnterpriseGatewayApp] Getting buffer for 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.952392150Z [D 2024-01-16 09:52:30.952 EnterpriseGatewayApp] Clearing buffer for 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.952791054Z [D 2024-01-16 09:52:30.952 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:37401 2024-01-16T09:52:30.953085292Z [D 2024-01-16 09:52:30.952 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:45771 2024-01-16T09:52:30.953349048Z [D 2024-01-16 09:52:30.953 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:45683 [D 2024-01-16 09:52:30.953 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:55985 2024-01-16T09:52:30.953859071Z [D 2024-01-16 09:52:30.953 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:45771 2024-01-16T09:52:30.954128010Z [D 2024-01-16 09:52:30.954 EnterpriseGatewayApp] Connecting to: tcp://10.1.54.81:45683 2024-01-16T09:52:30.959844693Z [D 2024-01-16 09:52:30.959 EnterpriseGatewayApp] Nudge: attempt 1 on kernel 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.970785911Z [D 2024-01-16 09:52:30.970 EnterpriseGatewayApp] Nudge: shell info reply received: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.970849940Z [D 2024-01-16 09:52:30.970 EnterpriseGatewayApp] Nudge: resolving shell future: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.970998832Z [D 2024-01-16 09:52:30.970 EnterpriseGatewayApp] Nudge: control info reply received: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.976411879Z [D 2024-01-16 09:52:30.976 EnterpriseGatewayApp] Nudge: IOPub received: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.976490467Z [D 2024-01-16 09:52:30.976 EnterpriseGatewayApp] Nudge: resolving iopub future: 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795 2024-01-16T09:52:30.977053425Z [D 2024-01-16 09:52:30.976 EnterpriseGatewayApp] activity on 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795: status (busy) 2024-01-16T09:52:30.977632857Z [D 2024-01-16 09:52:30.977 EnterpriseGatewayApp] activity on 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795: status (busy) 2024-01-16T09:52:30.978464061Z [D 2024-01-16 09:52:30.978 EnterpriseGatewayApp] activity on 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795: status (idle) 2024-01-16T09:52:30.984265095Z [D 2024-01-16 09:52:30.984 EnterpriseGatewayApp] activity on 6c332ecc-0b9f-43ad-88b4-79f2cfa8c795: status (idle) [D 2024-01-16 09:52:31.007 EnterpriseGatewayApp] Initializing websocket connection /api/kernels/6c332ecc-0b9f-43ad-88b4-79f2cfa8c795/channels 2024-01-16T09:52:31.013301319Z [W 2024-01-16 09:52:31.012 EnterpriseGatewayApp] No session ID specified 2024-01-16T09:52:31.024109715Z [I 240116 09:52:31 web:2239] 101 GET /api/kernels/6c332ecc-0b9f-43ad-88b4-79f2cfa8c795/channels (10.1.51.152) 16.90ms 2024-01-16T09:52:31.024225776Z [D 2024-01-16 09:52:31.024 EnterpriseGatewayApp] Opening websocket /api/kernels/6c332ecc-0b9f-43ad-88b4-79f2cfa8c795/channels
@roshan3133 roshan3133 added the bug label Jan 16, 2024
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roshan3133 commented Jan 17, 2024 •
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i am getting KERNEL_NAME is empty in newly created remote kernel pod while launching ipython kernel in jupyterhub vai JEG. is this error because of this empty KERNEL_NAME ? in JEG pod i can see {"name":"KERNEL_NAME","value":"python_kubernetes"}]

launch_ipykernel] JSON Payload 'b'{"shell_port": 55055, "iopub_port": 44507, "stdin_port": 56833, "control_port": 60735, "hb_port": 57375, "ip": "0.0.0.0", "key": "17fd8e85-7e4d-4e29-946e-9a6975c2b0cc", "transport": "tcp", "signature_scheme": "hmac-sha256", "kernel_name": "", "pid": 9, "pgid": 7, "comm_port": 33997, "kernel_id": "d80c56dc-8da1-4da4-a023-a65cc99ee0ca"}'

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looks like empty string passing to json.decoder() function as per error, am i missing passing any extraEnv in jupyterhub yaml ?

[D 2024-01-18 13:23:40.540 EnterpriseGatewayApp] Connecting to: tcp://10.1.35.142:60601 [D 2024-01-18 13:23:40.546 EnterpriseGatewayApp] Nudge: attempt 1 on kernel d80c56dc-8da1-4da4-a023-a65cc99ee0ca [D 2024-01-18 13:23:40.553 EnterpriseGatewayApp] activity on d80c56dc-8da1-4da4-a023-a65cc99ee0ca: status (busy) [D 2024-01-18 13:23:40.553 EnterpriseGatewayApp] Nudge: IOPub received: d80c56dc-8da1-4da4-a023-a65cc99ee0ca [D 2024-01-18 13:23:40.553 EnterpriseGatewayApp] Nudge: resolving iopub future: d80c56dc-8da1-4da4-a023-a65cc99ee0ca 2024-01-18T13:23:40.553663000Z [D 2024-01-18 13:23:40.553 EnterpriseGatewayApp] Nudge: shell info reply received: d80c56dc-8da1-4da4-a023-a65cc99ee0ca [D 2024-01-18 13:23:40.553 EnterpriseGatewayApp] Nudge: resolving shell future: d80c56dc-8da1-4da4-a023-a65cc99ee0ca [D 2024-01-18 13:23:40.554 EnterpriseGatewayApp] activity on d80c56dc-8da1-4da4-a023-a65cc99ee0ca: status (busy) [D 2024-01-18 13:23:40.555 EnterpriseGatewayApp] activity on d80c56dc-8da1-4da4-a023-a65cc99ee0ca: status (idle) [D 2024-01-18 13:23:40.561 EnterpriseGatewayApp] activity on d80c56dc-8da1-4da4-a023-a65cc99ee0ca: status (idle) [E 240118 13:23:40 web:1798] Uncaught exception GET /api/kernels/d80c56dc-8da1-4da4-a023-a65cc99ee0ca/channels (10.1.56.241) HTTPServerRequest(protocol='http', host='enterprise-gateway.enterprise-gateway.svc.cluster.local:8888', method='GET', uri='/api/kernels/d80c56dc-8da1-4da4-a023-a65cc99ee0ca/channels', version='HTTP/1.1', remote_ip='10.1.56.241') 2024-01-18T13:23:40.802899366Z Traceback (most recent call last): File "/opt/conda/lib/python3.10/site-packages/tornado/websocket.py", line 635, in _run_callback 2024-01-18T13:23:40.802907546Z result = callback(*args, **kwargs) 2024-01-18T13:23:40.802914544Z File "/opt/conda/lib/python3.10/site-packages/jupyter_server/services/kernels/handlers.py", line 521, in on_message msg = json.loads(ws_msg) File "/opt/conda/lib/python3.10/json/__init__.py", line 346, in loads 2024-01-18T13:23:40.802927209Z return _default_decoder.decode(s) File "/opt/conda/lib/python3.10/json/decoder.py", line 337, in decode 2024-01-18T13:23:40.802935284Z obj, end = self.raw_decode(s, idx=_w(s, 0).end()) File "/opt/conda/lib/python3.10/json/decoder.py", line 355, in raw_decode raise JSONDecodeError("Expecting value", s, err.value) from None 2024-01-18T13:23:40.802948320Z json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0) [D 2024-01-18 13:23:40.802 EnterpriseGatewayApp] Websocket closed d80c56dc-8da1-4da4-a023-a65cc99ee0ca:d0497c42-79f383cb00eeb05ff1480647

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@roshan3133