Cannot execute code in notebooks that were open for a while – cache gets cleaned up?

[aplavin]

After a notebook has been open for some time (days/weeks), I cannot execute code there anymore. It throws all kind of errors "XXX is not defined" where XXX is any symbol from a loaded package.

I think it happens because (pre)compilation cache gets cleaned up by Julia: it has some limit I guess. Would be nice if Pluto somehow forced it to keep the cache for open notebooks intact...

[pankgeorg]

Julia does clean precompiled objects, but if the julia session was alive that shouldn't happen. Can you provide a stacktrace so we can investigate better?

Thanks!

[aplavin]

There's no stacktrace really – just the "not defined" error (screenshots below).
Restarting the notebook precompiles all packages again, and the notebook works.

[fonsp]

Thanks for the report! This is a case of #2641, working on a fix in #3145