After a time of inactive (1-2 days) jupyter notebook display nothing in directory tree (http://localhost/tree).

How I can refresh directory tree without restart server? I don't want restart server because the data in memory. Notebooks works well by direct link to *.ipynb (http://localhost/tree/my_code/untitled.ipynb). Jupyter started on Windows Server 2012.

1 Answer 1


It is a bug in the latest update to jupyter notebooks. The workaround is to downgrade back to the most recent working copy. I really wanted a way that used conda and not pip to downgrade, and I found an excellent solution. Anaconda keeps an archive of previous releases of the entire system (conda + jupyter + spyder + ...). You can find the archive here:


For me, the version that worked was the July 2019 release


First you must uninstall Anaconda completely and then install the archived version.

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