[plt-dev] Mysterious "link: module mismatch" bug

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Tue Sep 8 19:21:30 EDT 2009

Likely the files in compiled/drscheme/ are out of date. Why cm isn't
bringing them back into sync is unclear to me, but you can at least
get out of the bad loop by deleting those directories.


On Tue, Sep 8, 2009 at 6:01 PM, Carl Eastlund<cce at ccs.neu.edu> wrote:
> Running code in DrScheme from one of my planet development links, I
> get this familiar error:
> link: module mismatch, probably from old bytecode whose dependencies
> have changed: variable not provided (directly or indirectly and at the
> expected position) from module:
> "/Users/cce/research/planet/scheme/syntax.ss" accessed from module:
> "/Users/cce/research/planet/scheme/require-provide.ss" at source phase
> level: 0 in: provide/contract-contract-id-make-planet-path.62
> The usual process to fix this is to recompile the relevant files.  I
> have now twice cleaned out all compiled files from my planet
> development links and run a full 'setup-plt' to restore them, and the
> message has not gone away.  What could be causing this, if the .zo
> files are all up to date?
> Carl Eastlund
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