[Haskell-cafe] Yesod devel issue: cannot satisfy -package-key main

[Michael Snoyman]

Can you try upgrading to yesod-bin-1.5.0? Some of the issues with the old
yesod-bin are documented at:

http://www.yesodweb.com/blog/2016/11/new-yesod-devel-server

Looking at that error message, I'm going to take a (very bad) guess and say
you're using GHC 8. If that's the case, yesod-bin 1.4 is definitely _not_
compatible with it.

On Mon, Jan 16, 2017 at 4:34 AM, Geraldus <heraldhoi at gmail.com> wrote:

> Hi folks!
>
> I haven't used Yesod quite a while; now when I'm trying to run development
> server of freshly scaffolded PostgreSQL stack's template I see this error
> message:
>
> Rebuilding application... (using cabal)
> Starting development server...
> *<command line>: cannot satisfy -package-key main*
>     (use -v for more information)
> Exit code: ExitFailure 1
>
>
> I've found several issues on the web, however I wasn't able to resolve
> this.
>
> I've tried to upgrade my Yesod binary first via `stack install
> yesod-bin`.  Now
> I have:
>
> stack exec yesod version
> *yesod-bin version: 1.4.18.7*
>
> stack --version
> *Version 1.1.2 x86_64 hpack-0.14.0*
>
> I also tried to comment out the test suite section in cabal file, but devel
> server still fails to run.
>
> Can someone clarify how to deal with this?
>
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