[plt-dev] EMERGENCY: drscheme no longer works in today's svn head

On Thu, Aug 27, 2009 at 8:49 PM, Matthew Flatt<mflatt at cs.utah.edu> wrote:
> At Thu, 27 Aug 2009 18:26:33 -0500, Robby Findler wrote:
>> One possible issue: DrScheme shares some of its own instantiation of
>> various modules with the user's program. Perhaps there is some way
>> that that can confuse CM? Does that seem possible to anyone?
>
> The last paragraph of the docs for
> `make-compilation-manager-load/use-compiled-handler' describes the only
> potential for confusing CM that I know about.

Is that a check I shoudl consider doing when clicking "run" (checking
to see if there are out of date .zo files)?

> But Matthias's error message said
>
>  > . scheme/lang/compiled/drscheme/errortrace/reader_ss.zo:1:0: read
>  > (compiled): code compiled for version 4.2.1.6, not 4.2.1.7
>
> That file shouldn't have an "drscheme/errortrace" variant, since it's
> in the main collections. I imagine that the ".zo" was put there during
> the time that Planet was confused by DrScheme's errortrace
> configuration (which was pre-4.2.1.7), and it just has to be cleaned
> out manually. I had the same problem on my machine.

Oh, yes! That does seem like a likely culprit.

Robby