Jupyter Notebook not saving xsrf argument missing from post

Question

I ve been running a script on jupyter notebooks for about 26 hour  I haven t really been using my computer for anything else  but it needs to run this program that will take  30 hours to complete  At about 21 hours in  it stopped saving and my terminal had this   403 PUT  api contents  file ipynb     1     xsrf  argument missing from POST   where  file ipynb  is the location of my jupyter notebook  It also says     xsrf  argument missing from post   in the top right part of the notebook again  The program is still running and I don t want to restart jupyter notebook and have to run the program again  as I have a deadline  is there anything else I can do   I m using google chrome  but I don t have the LastPass extension or any     characters in my code  as another post suggested   Thanks for any help

User · Answer

In my case  this problem was solved by clicking  Kernel   shown on the top of notebooks  and then  Reconnect   Note Added  In some versions of Jupyter  there is not  Reconnect

User · Answer

I also came across the same error  I just opened another non-running Juputer notebook and an error is automatically gone

User · Answer

In My Case  I have a close tab of Home Page  After Re-opening the Jupyter The Error was automatically gone and We can save the file

User · Answer

The most voted answer doesn t seem to work when using Jupyter Lab  This one does  however  Just copy the url into a new tab  replace  lab  with  tree  and hit enter to load the page  It will generate a new csrf token for your session and you re good to go  I would suggest enabling Settings  gt  Autosave Documents by default to avoid worrying about losing work in future  It saves very regularly so everything should be up to date before any timeouts happen anyway   I did not need to open a new notebook  Instead  I reopened the tree  and reconnected the kernel  At some point I also restarted the kernel      user650654 Oct 9  19 at 0 17

User · Answer

I got the same problem  impossible to save either notebooks and  py modules  using an image in the nvidia docker  The solution was just opening a terminal inside jupyter without typing anything but exit once the files were saved  It was done in the same browser jupyter instance   Machine OS  Ubuntu 18 04

User · Answer

The solution I came across seems too simple but it worked  Go to the  tree aka Jupyter home page and refresh the browser  Worked

User · Answer

1 workaround to solve this problem is    Download the notebook which you are not able to save by going to  File --  Download as --  Notebook  ipynb   Open the downloaded notebook by clicking on the downloaded file on the jupyter browser UI   Now  you should be able to save  or rename  this notebook from jupyter UI

User · Answer

I was able to solve it by clicking on the  quot Kernel quot  drop down menu and choosing  quot Interrupt  quot

User · Answer

The only solution worked for me was   I opened a new tab in chrome I pasted   http   localhost 8888  token        then I went to my original notebook and I was able to save it

User · Answer

This is the easiest way      I did not need to open a new notebook  Instead  I reopened the tree  and reconnected the kernel  At some point I also restarted the kernel      user650654 Oct 9  19 at 0 17

User · Answer

When I click  save  button  it has this error  Based on the answers in this post and other websites  I just found the solution  My jupyter notebook is installed from pip  So I access it by typing  jupyter notebook  in the windows command line    1  open a new command window  then open a new jupyter notebook   try to save again in the old notebook  this time  the error is  fail  forbidden    2  Then in the old notebook  click  download as   it will pop out a new windows ask you the token       3  open another command window  then open another jupyter notebook  type  jupyter notebook list  copy the code after  token   and before     to the box you just saw  You can save this time  If it fails  you can try another token in the list

User · Answer

The easiest way I found is this   https   github com nteract hydrogen issues 922 issuecomment-405456346  Just open another  non-running  existing  notebook on the same kernel  and the issue is magically gone  you can again save the notebooks that were previously showing the  xsrf error   If you have already closed the Jupyter home page  you can find a link to it on the terminal from which Jupyter was started

User · Answer

Open the developer setting and click console and type the following  JSON parse document getElementById  jupyter-config-data   textContent  token  Then try saving the Notebook  The notebook that was not saving previously will save now

User · Answer

I use jupyter notebooks daily and had never experienced this issue before    until today  I had the notebook open all day but it wasn t running anything and then for no apparent reason stopped auto-saving with the   xsrf  argument missing from POST error message in the top right  FYI - this is a python3 notebook   I don t know the cause of this problem but I have recently upgraded my python3 version to 3 7 2 and upgraded all of my site-packages to their latest version as of a few days ago which could possibly be the cause   As for a solution  as suggested in the comment by  AlexK  I opened the same notebook in a new window  different browser in fact   using  jupyter notebook list   in the terminal to get the URL with login token   This resulted in me having the notebook open and savable again but the information I had entered since the last successful auto-save was missing  Thankfully  my broken instance was still open and working apart from saving so I was able to simply copy and paste the information across then hit save  So  keep the broken instance open if you try this

[python] Jupyter Notebook not saving: '_xsrf' argument missing from post

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