{"action":"closed","issue":{"url":"https://api.github.com/repos/jupyter/notebook/issues/415","labels_url":"https://api.github.com/repos/jupyter/notebook/issues/415/labels{/name}","comments_url":"https://api.github.com/repos/jupyter/notebook/issues/415/comments","events_url":"https://api.github.com/repos/jupyter/notebook/issues/415/events","html_url":"https://github.com/jupyter/notebook/issues/415","id":105876731,"number":415,"title":"Load failed, save is disabled","user":{"login":"jg-you","id":6925003,"avatar_url":"https://avatars.githubusercontent.com/u/6925003?v=3","gravatar_id":"","url":"https://api.github.com/users/jg-you","html_url":"https://github.com/jg-you","followers_url":"https://api.github.com/users/jg-you/followers","following_url":"https://api.github.com/users/jg-you/following{/other_user}","gists_url":"https://api.github.com/users/jg-you/gists{/gist_id}","starred_url":"https://api.github.com/users/jg-you/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jg-you/subscriptions","organizations_url":"https://api.github.com/users/jg-you/orgs","repos_url":"https://api.github.com/users/jg-you/repos","events_url":"https://api.github.com/users/jg-you/events{/privacy}","received_events_url":"https://api.github.com/users/jg-you/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/jupyter/notebook/labels/needs-info","name":"needs-info","color":"ffffff"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":6,"created_at":"2015-09-10T19:05:17Z","updated_at":"2015-09-14T17:16:01Z","closed_at":"2015-09-14T17:16:01Z","body":"Just updated to jupyter 4.0.4 (on Arch), up from ipython 3.x.x.\r\nNow it's impossible to load old notebooks, or create new ones.\r\nIf I open a new notebook, I have to manually set the kernel to python 3 after creation to be able to type / run code, but it will never save.\r\n\r\nI open the notebook in CLI with `ipython notebook` or `jupyter notebook` (no difference).\r\nHere's the log\r\n\r\n    [I 14:55:15.317 NotebookApp] Serving notebooks from local directory: /home/jgyou\r\n    [I 14:55:15.317 NotebookApp] 0 active kernels \r\n    [I 14:55:15.317 NotebookApp] The IPython Notebook is running at: http://localhost:8888/\r\n    [I 14:55:15.317 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).\r\n    Created new window in existing browser session.\r\n    [W 14:55:20.754 NotebookApp] 404 GET /api/kernels/374421ed-5c8c-400e-a924-b84edd41b96d/channels?session_id=49354DAD83864233A209F6E07FA369D7 (::1): Kernel does not exist: 374421ed-5c8c-400e-a924-b84edd41b96d\r\n    [W 14:55:20.766 NotebookApp] 404 GET /api/kernels/374421ed-5c8c-400e-a924-b84edd41b96d/channels?session_id=49354DAD83864233A209F6E07FA369D7 (::1) 16.33ms referer=None"}}