我可以毫无问题地打开 Jupyter 控制台,但是当我创建一个新笔记本时,它会一直连接到内核并断开与内核的连接(消息“正在连接到内核”/“已连接”一直显示在右上角) .这是 Chrome 的控制台输出的内容(在 Firefox 中是一样的):
Untitled3.ipynb?kernel_name=python3:121 loaded custom.js
default.js:48Default extension for cell metadata editing loaded.
rawcell.js:82Raw Cell Format toolbar preset loaded.
slideshow.js:43Slideshow extension for metadata editing loaded.
menubar.js:240actions jupyter-notebook:find-and-replace does not exist, still binding it in case it will be defined later...
MenuBar.bind_events @ menubar.js:240
extension.js Failed to load resource: the server responded with a status of 404 (Not Found)
main.js:184Widgets are not available. Please install widgetsnbextension or ipywidgets 4.0
(anonymous) @ main.js:184
session.js:54Session: kernel_created (1b236a4b-902d-4b33-9118-63013be4f270)
kernel.js:456Starting WebSockets: ws://[myipaddress]:[myport]/api/kernels/682dc980-d7c6-41e0-b984-14ceb7f8e50c
kernel.js:101Kernel: kernel_connected (682dc980-d7c6-41e0-b984-14ceb7f8e50c)
kernel.js:101Kernel: kernel_disconnected (682dc980-d7c6-41e0-b984-14ceb7f8e50c)
kernel.js:559Connection lost, reconnecting in 1 seconds.
kernel.js:101Kernel: kernel_reconnecting (682dc980-d7c6-41e0-b984-14ceb7f8e50c)
kernel.js:456Starting WebSockets: ws://[myipaddress]:[myport]/api/kernels/682dc980-d7c6-41e0-b984-14ceb7f8e50c
kernel.js:101Kernel: kernel_connected (682dc980-d7c6-41e0-b984-14ceb7f8e50c)
kernel.js:101Kernel: kernel_disconnected (682dc980-d7c6-41e0-b984-14ceb7f8e50c)
kernel.js:559Connection lost, reconnecting in 1 seconds.
kernel.js:101Kernel: kernel_reconnecting (682dc980-d7c6-41e0-b984-14ceb7f8e50c)
kernel.js:456Starting WebSockets: ws://[myipaddress]:[myport]/api/kernels/682dc980-d7c6-41e0-b984-14ceb7f8e50c
kernel.js:101Kernel: kernel_connected (682dc980-d7c6-41e0-b984-14ceb7f8e50c)
kernel.js:101Kernel: kernel_disconnected (682dc980-d7c6-41e0-b984-14ceb7f8e50c)
kernel.js:559Connection lost, reconnecting in 1 seconds.
# ... more of the same, over and over ... #
事实是,当我在运行 Jupyter 服务器的同一台机器(我放在家里的 MacBook)上创建笔记本时,一切正常。当我从另一台机器(我在公司使用的运行 Windows 的 PC)创建笔记本时,就会出现问题。可能发生了什么?
最佳答案
我在 nginx 代理后面使用 jupyter。我遇到了和你一样的问题。深入研究后,我发现问题存在于我的 nginx conf 中。
将以下行添加到我的 nginx conf 后,它起作用了!
proxy_http_version 1.1;
这是完整的 nginx conf:
upstream my-notebook-workhorse {
server 127.0.0.1:8888 fail_timeout=0;
}
map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}
# let my-notebook deal with the redirection
server {
listen 80;
server_name my-notebook.wh;
server_tokens off;
root /dev/null;
# Increase this if you want to upload larger attachments
client_max_body_size 20m;
# individual nginx logs for this vhost
access_log /var/log/nginx/my-notebook_access.log;
error_log /var/log/nginx/my-notebook_error.log;
location / {
proxy_pass http://my-notebook-workhorse;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $host;
proxy_set_header X-Forwarded_For $proxy_add_x_forwarded_for;
proxy_set_header X-NginX-Proxy true;
auth_basic "Restricted Content";
# WebSocket support
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
proxy_set_header Origin "";
proxy_read_timeout 86400;
}
}
我不知道为什么会发生这种情况,因为没有 proxy_http_version 1.1;
的旧版本在我遇到问题之前的最后几个月运行良好。
关于python - Jupyter 笔记本不断重新连接到内核,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42350182/