Thejayman77
commented
1 year ago I was getting pretty much the same thing and after messing around with everything from python to java to different server OSes, I finally found that a hashed password is what causes the connection to break. Once I removed my hashed password and relied on the token instead, the connection worked fine. After adding a password in again, it did the same as above.
Anyhow, perhaps this might help find out what the cause is. Let me know if it helps you out as well or not so perhaps I can dig in a little bit to see what might be going on. At least it's a workaround for now if you can use a tokenized login.
prisaparoy
Hi, It seems like connection between Notebook and Kernel is not getting established
[I 2023-04-20 23:52:56.487 ServerApp] Restoring connection for a1009026-6a24-4a3c-a81d-43f6627f185f:f76ffc26-c2fb-4efa-b808-a078d5efb5ce INFO [ main] JettyServletWebServerFactory : Server initialized with port: 0 INFO [ main] Server : jetty-10.0.13; built: 2022-12-07T20:13:20.134Z; git: 1c2636ea05c0ca8de1ffd6ca7f3a98ac084c766d; jvm 20+36-2344 INFO [ main] application : Initializing Spring embedded WebApplicationContext INFO [ main] ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 443 ms INFO [ main] DefaultSessionIdManager : Session workerName=node0 INFO [ main] ContextHandler : Started o.s.b.w.e.j.JettyEmbeddedWebAppContext@51b77cdf{application,/,[file:///tmp/jetty-docbase.0.6184187775426036712/],AVAILABLE} INFO [ main] Server : Started Server@40d60f2{STARTING}[10.0.13,sto=0] @2447ms INFO [ main] application : Initializing Spring DispatcherServlet 'dispatcherServlet' INFO [ main] DispatcherServlet : Initializing Servlet 'dispatcherServlet' INFO [ main] DispatcherServlet : Completed initialization in 0 ms INFO [ main] AbstractConnector : Started ServerConnector@ea52184{HTTP/1.1, (http/1.1)}{0.0.0.0:39131} INFO [ main] JettyWebServer : Jetty started on port(s) 39131 (http/1.1) with context path '/' INFO [ main] Server : Kernel a1009026-6a24-4a3c-a81d-43f6627f185f INFO [ main] Server : Connected to { "shell_port" : 54297, "iopub_port" : 54557, "stdin_port" : 38129, "control_port" : 40219, "hb_port" : 37385, "ip" : "127.0.0.1", "key" : "07ebde7c-65b0f1581c5df5905fae2a90", "transport" : "tcp", "signature_scheme" : "hmac-sha256", "kernel_name" : "ganymede-2.1.1-java-20-spark", "pid" : 2430046, "port" : 34863 } INFO [pool-1-thread-5] Dispatcher : Bound REP tcp://127.0.0.1:37385 INFO [pool-1-thread-2] Dispatcher : Bound ROUTER tcp://127.0.0.1:40219 INFO [pool-1-thread-3] Dispatcher : Bound PUB tcp://127.0.0.1:54557 INFO [pool-1-thread-4] Dispatcher : Bound ROUTER tcp://127.0.0.1:38129 INFO [pool-1-thread-1] Dispatcher : Bound ROUTER tcp://127.0.0.1:54297 WARN [pool-1-thread-1] Server : Ignoring non-request comm_open WARN [pool-1-thread-1] Server : Ignoring non-request comm_msg [W 2023-04-20 23:53:22.483 ServerApp] wrote error: 'Forbidden' Traceback (most recent call last): File "/home/prisaparoy/mambaforge/envs/jupyter3.6/lib/python3.10/site-packages/tornado/web.py", line 1711, in _execute result = method(*self.path_args, **self.path_kwargs) File "/home/prisaparoy/mambaforge/envs/jupyter3.6/lib/python3.10/site-packages/tornado/web.py", line 3196, in wrapper url = self.get_login_url() File "/home/prisaparoy/mambaforge/envs/jupyter3.6/lib/python3.10/site-packages/jupyter_server/base/handlers.py", line 747, in get_login_url raise web.HTTPError(403) tornado.web.HTTPError: HTTP 403: Forbidden [W 2023-04-20 23:53:22.484 ServerApp] 403 GET /api/kernels/a1009026-6a24-4a3c-a81d-43f6627f185f (@127.0.0.1) 2.66ms referer=None WARN [pool-1-thread-1] Shell : jdk.jshell.EvalException WARN [pool-1-thread-1] Shell : at ganymede.notebook.NotebookContext.(NotebookContext.java:93)
WARN [pool-1-thread-1] Shell : at ganymede.notebook.Notebook.newNotebookContext(Notebook.java:45)
WARN [pool-1-thread-1] Shell : at .do_it$Aux(#1:1)
WARN [pool-1-thread-1] Shell : at .(#1:1)
WARN [pool-1-thread-1] Shell : Caused by: jdk.jshell.EvalException: apiKernelsKernelIdGet call failed with: 403 - {"message": "Forbidden", "reason": null}
WARN [pool-1-thread-1] Shell : at ganymede.jupyter.notebook.api.KernelsApi.getApiException(KernelsApi.java:71)
WARN [pool-1-thread-1] Shell : at ganymede.jupyter.notebook.api.KernelsApi.apiKernelsKernelIdGetWithHttpInfo(KernelsApi.java:263)
WARN [pool-1-thread-1] Shell : at ganymede.jupyter.notebook.api.KernelsApi.apiKernelsKernelIdGet(KernelsApi.java:239)
WARN [pool-1-thread-1] Shell : at ganymede.jupyter.NotebookServicesClient.getKernel(NotebookServicesClient.java:140)
WARN [pool-1-thread-1] Shell : at ganymede.notebook.NotebookContext.(NotebookContext.java:91)
WARN [pool-1-thread-1] Shell : ... 3 more
Environment: Jupyterlab 3.6 Inside Conda environment. Python: 3.10.8 Java: 11 or 20 OS: Ubuntu 22.04
Do you see anything about this setup that would lead to this error?