Cider warning post 0.3.25

Peter Fraenkel

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Feb 21, 2017, 1:30:59 PM2/21/17

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When a project has a dependency on versions of core.typed 0.3.26 or later, cider will generate a warning on startup:

"WARNING: CIDER's version (0.14.0) does not match cider-nrepl's version (nil). Things will break!”.

The same thing happens with later versions of cider as well. This was reported to me as a problem with squiggly clojure, but the problem can be replicated with only the dependency on typed. It doesn't appear that things in fact do break, and you can verify from lein deps or cider.nrepl.version/version that the version is in fact correct. The logic by which cider decides what version of cider-nrepl it thinks it's running is not clear to me.

Is this a known problem? I am wondering if it has anything to do with AOT?

Ambrose Bonnaire-Sergeant

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Feb 21, 2017, 2:06:34 PM2/21/17

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Try using

:classifier "slim"

in the core.typed dep to remove AOT files. Does that help?

Peter Fraenkel

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Feb 21, 2017, 4:35:05 PM2/21/17

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That "fixes" the problem, so my unfounded intuition that AOT was involved seems to be correct. I still have no idea why....

Ambrose Bonnaire-Sergeant

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Feb 21, 2017, 4:40:52 PM2/21/17

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Where does this error message originate?

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