Kernel crashes when trying to load rails environment

[inspire22]

Kernel works for basic things like puts("Hello, world"), but crashes when I try to load my rails environment. Any tips where to debug?

[W 2024-11-03 10:20:39.549 ServerApp] 403 GET /api/kernelspecs?1730658039541 (@127.0.0.1) 2.18ms referer=None
[I 2024-11-03 10:20:41.883 ServerApp] AsyncIOLoopKernelRestarter: restarting kernel (1/5), new random ports
[W 2024-11-03 10:20:41.883 ServerApp] kernel 9999ed92-cb85-4a73-b7cc-327cc4346278 restarted
[I 2024-11-03 10:20:41.887 ServerApp] Starting buffering for 9999ed92-cb85-4a73-b7cc-327cc4346278:25928bd4-a804-4368-8282-b1ad9108b1d1
[I 2024-11-03 10:20:41.895 ServerApp] Adapting from protocol version 5.0 (kernel 9999ed92-cb85-4a73-b7cc-327cc4346278) to 5.3 (client).
[I 2024-11-03 10:20:41.896 ServerApp] Connecting to kernel 9999ed92-cb85-4a73-b7cc-327cc4346278.
[I 2024-11-03 10:20:41.896 ServerApp] Restoring connection for 9999ed92-cb85-4a73-b7cc-327cc4346278:25928bd4-a804-4368-8282-b1ad9108b1d1
W, [2024-11-03T10:20:42.159705 #3444882]  WARN -- : Could not load bundler: Could not locate Gemfile
W, [2024-11-03T10:20:42.335363 #3444882]  WARN -- : parent process poller thread started.
 [I 2024-11-03 10:21:11.212 ServerApp] Saving file at /Untitled1.ipynb
/home/kevin/.rbenv/versions/3.3.3/bin/ruby: No such file or directory -- kernel (LoadError)
[I 2024-11-03 10:21:38.429 ServerApp] AsyncIOLoopKernelRestarter: restarting kernel (1/5), keep random ports
[W 2024-11-03 10:21:38.429 ServerApp] kernel 49f510d9-200b-4213-a448-980278c0e1da restarted
[I 2024-11-03 10:21:38.434 ServerApp] Starting buffering for 49f510d9-200b-4213-a448-980278c0e1da:6572abc4-a3e0-4db7-ae51-763555532534
[I 2024-11-03 10:21:38.442 ServerApp] Adapting from protocol version 5.0 (kernel 49f510d9-200b-4213-a448-980278c0e1da) to 5.3 (client).
[I 2024-11-03 10:21:38.443 ServerApp] Connecting to kernel 49f510d9-200b-4213-a448-980278c0e1da.
[I 2024-11-03 10:21:38.443 ServerApp] Restoring connection for 49f510d9-200b-4213-a448-980278c0e1da:6572abc4-a3e0-4db7-ae51-763555532534
W, [2024-11-03T10:21:38.688313 #3445074]  WARN -- : Could not load bundler: Could not locate Gemfile
W, [2024-11-03T10:21:38.859500 #3445074]  WARN -- : parent process poller thread started.
/home/kevin/.rbenv/versions/3.3.3/bin/ruby: No such file or directory -- kernel (LoadError)
 [I 2024-11-03 10:21:47.443 ServerApp] AsyncIOLoopKernelRestarter: restarting kernel (2/5), keep random ports
[W 2024-11-03 10:21:47.443 ServerApp] kernel 49f510d9-200b-4213-a448-980278c0e1da restarted
[I 2024-11-03 10:21:47.446 ServerApp] Starting buffering for 49f510d9-200b-4213-a448-980278c0e1da:6572abc4-a3e0-4db7-ae51-763555532534
[I 2024-11-03 10:21:47.466 ServerApp] Adapting from protocol version 5.0 (kernel 49f510d9-200b-4213-a448-980278c0e1da) to 5.3 (client).
[I 2024-11-03 10:21:47.466 ServerApp] Connecting to kernel 49f510d9-200b-4213-a448-980278c0e1da.
[I 2024-11-03 10:21:47.466 ServerApp] Restoring connection for 49f510d9-200b-4213-a448-980278c0e1da:6572abc4-a3e0-4db7-ae51-763555532534
W, [2024-11-03T10:21:47.725430 #3445114]  WARN -- : Could not load bundler: Could not locate Gemfile
W, [2024-11-03T10:21:47.894577 #3445114]  WARN -- : parent process poller thread started.

[kojix2]

Hi @inspire22
Thank you for your report.
I am not very familiar with Rails. I hope this will be of some help to you.
https://github.com/Yuki-Inoue/jupyter_on_rails