[web-devel] Yesod devel error: Yesod: panic! System/Plugins.hs:(84, 14)-(86, 29): Non-exhaustive patterns in lambda

[Anton Cheshkov]

I have the same problem. It was stop all my work.


2011/4/26 <vagif.verdi at gmail.com>

> Completely fresh install of yesod 0.8
> I migrated my application successfully. It builds and works fine.
>
> But when trying yesod devel i get this error:
>
> yesod: panic! (the 'impossible' happened)
>  (GHC version 7.0.2 for x86_64-unknown-linux):
>        System/Plugins.hs:(84,14)-(86,29): Non-exhaustive patterns in lambda
>
>
> Also cabal gives me following warning on configure:
>
> Warning: This package indirectly depends on multiple versions of the same
> package. This is highly likely to cause a compile failure.
> package haskell-src-meta-0.3 requires syb-0.2.2
> package aeson-0.3.2.4 requires syb-0.3
>
> Not sure if its related to the error in any way, but it does not affect the
> build, and my executable works fine.
>
> Cheers,
> Vagif Verdi
>
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>



-- 
Best regards,
Cheshkov Anton
Phone: +7 909 005 18 82
Skype: cheshkov_anton
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