[web-devel] Yesod devel error: Yesod: panic! System/Plugins.hs:(84, 14)-(86, 29): Non-exhaustive patterns in lambda
acheshkov at gmail.com
Tue Apr 26 07:08:25 CEST 2011
anton at anton-laptop:~ $ ghc-pkg list wai-handler-devel
How to detect right version of wai-handler-devel?
2011/4/26 Greg Weber <greg at gregweber.info>
> Hi all,
> You should still be able to still use the old wai-handler-devel
> Greg Weber
> On Mon, Apr 25, 2011 at 9:33 PM, Anton Cheshkov <acheshkov at gmail.com>wrote:
>> 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
>>> 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
>>> build, and my executable works fine.
>>> Vagif Verdi
>>> web-devel mailing list
>>> web-devel at haskell.org
>> Best regards,
>> Cheshkov Anton
>> Phone: +7 909 005 18 82
>> Skype: cheshkov_anton
>> web-devel mailing list
>> web-devel at haskell.org
Phone: +7 909 005 18 82
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