Comments (5)
timkpaine
commented on July 20, 2024
did you install and enable the serverextension?
jupyter serverextension list
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shepner
commented on July 20, 2024
Here is what I used to install:
sudo -H pip3 install jupyterlab_iframe
sudo jupyter labextension install jupyterlab_iframe
sudo jupyter serverextension enable --py jupyterlab_iframeand here is the listing of what is installed
$ pip3 list --format=columns | grep iframe
jupyterlab-iframe 0.2.1
$ jupyter serverextension list
config dir: /home/shepner/.jupyter
jupyterlab_iframe.extension enabled
- Validating...
jupyterlab_iframe.extension OK
config dir: /usr/local/etc/jupyter
ipyparallel.nbextension enabled
- Validating...
ipyparallel.nbextension OK
jupyterlab enabled
- Validating...
jupyterlab 1.2.0 OK
nbdime enabled
- Validating...
nbdime 1.1.0 OK
nbresuse enabled
- Validating...
nbresuse OK
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DraTeots
commented on July 20, 2024
The same. Wanted to add noVNC tab running at localhost:6080
In javascript console there is CORS
ross-Origin Read Blocking (CORB) blocked cross-origin response http://127.0.0.1:6080/ with MIME type text/html. See https://www.chromestatus.com/feature/5629709824032768 for more details.
I set the next jupyterlab setting:
c.NotebookApp.allow_origin = '*'
c.Spawner.args = ["--NotebookApp.allow_origin=*"]
c.JupyterHub.tornado_settings = {
'headers': {
'Access-Control-Allow-Origin': '*',
},
}It still not working, but my JSconsole shows:
request.js:76 GET http://localhost:8888/iframes 404 (Not Found)
(anonymous) @ request.js:76
request @ request.js:52
activate @ index.js:157
(anonymous) @ index.js:147
Promise.then (async)
push.2R+v.Application.activatePlugin @ index.js:146
(anonymous) @ index.js:266
push.2R+v.Application.start @ index.js:265
main @ index.out.js:1658
load (async)
ANye @ index.out.js:1704
__webpack_require__ @ bootstrap:84
0 @ bootstrap:221
__webpack_require__ @ bootstrap:84
checkDeferredModules @ bootstrap:45
webpackJsonpCallback @ bootstrap:32
(anonymous) @ vendors~main.b8c7a8f5afdebae5f5a3.js:1
index.js:55 site failed with code 0
index.js:67 setting proxy for iframes/proxy?path=https://127.0.0.1:6080
request.js:76 GET https://127.0.0.1:6080/ net::ERR_CONNECTION_CLOSED
(anonymous) @ request.js:76
request @ request.js:52
IFrameWidget @ index.js:47
(anonymous) @ index.js:140
Promise.then (async)
execute @ index.js:132
push.5TpB.CommandRegistry.execute @ index.js:351
push.eIPM.CommandPalette._execute @ commandpalette.js:417
push.eIPM.CommandPalette._evtClick @ commandpalette.js:330
push.eIPM.CommandPalette.handleEvent @ commandpalette.js:211
index.js:65 GET http://localhost:8888/iframes/proxy?path=https://127.0.0.1:6080 404 (Not Found)
(anonymous) @ index.js:65
Promise.then (async)
IFrameWidget @ index.js:47
(anonymous) @ index.js:140
proxy?path=https://127.0.0.1:6080:179 Uncaught TypeError: Cannot read property 'scrollHeight' of undefined
at proxy?path=https://127.0.0.1:6080:179
at Object.execCb (require.js?v=951f856e81496aaeec2e71a1c2c0d51f:1693)
at Module.check (require.js?v=951f856e81496aaeec2e71a1c2c0d51f:881)
at Module.<anonymous> (require.js?v=951f856e81496aaeec2e71a1c2c0d51f:1136)
at require.js?v=951f856e81496aaeec2e71a1c2c0d51f:134
at require.js?v=951f856e81496aaeec2e71a1c2c0d51f:1186
at each (require.js?v=951f856e81496aaeec2e71a1c2c0d51f:59)
at Module.emit (require.js?v=951f856e81496aaeec2e71a1c2c0d51f:1185)
at Module.check (require.js?v=951f856e81496aaeec2e71a1c2c0d51f:936)
at Module.enable (require.js?v=951f856e81496aaeec2e71a1c2c0d51f:1173)
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timkpaine
commented on July 20, 2024
the first line of the js error messages indicates that the serverextension is not installed:
Here is where it is fetched in JS: https://github.com/timkpaine/jupyterlab_iframe/blob/master/src/index.ts#L174
and here is where the serverextension adds the route:
https://github.com/timkpaine/jupyterlab_iframe/blob/master/jupyterlab_iframe/extension.py#L33
Are you sure both your python package and your js extension are running version 0.2.1? These commands will show the versions:
jupyter labextension list
pip show jupyterlab_iframe
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tom-butler
commented on July 20, 2024
I was also caught out by this issue, we were using multi-stage docker builds, and installed and enabled the extension from the root user, changing the serverextension command to include the --system flag meant the extension was enabled for all users, not just root (which we weren't running jupyterlab from)
jupyter serverextension enable --py --system jupyterlab_iframe
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