Date: Wed, 19 Sep 2012 19:38:40 -0700 (PDT) From: Chris Kahn <christopher.k...@gmail.com> To: snap_framework@googlegroups.com Message-Id: <5713a214-3ca1-4890-bf49-3f1c1101a766@googlegroups.com> In-Reply-To: <CANCg-8ZY5hv1hGe4dii-CpcWvVbD3AWCOjuBdUDgZS=ghp9JYg@mail.gmail.com> References: <cf2648ce-8351-408b-b04e-fc067e505c26@googlegroups.com> <CANCg-8ZY5hv1hGe4dii-CpcWvVbD3AWCOjuBdUDgZS=ghp9JYg@mail.gmail.com> Subject: Re: [snap] can't install snaplet-hdbc, duplicate type signature MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_490_7143735.1348108720949" ------=_Part_490_7143735.1348108720949 Content-Type: multipart/alternative; boundary="----=_Part_491_7003595.1348108720949" ------=_Part_491_7003595.1348108720949 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Success! That did it. Thanks. On Wednesday, 19 September 2012 01:02:47 UTC-4, mightybyte wrote: > > This is caused by a problem in data-lens-template-2.1.6. You need to > upgrade to the recently released 2.1.7. The following commands should > correct the problem: > > ghc-pkg unregister data-lens-template --force > ghc-pkg unregister snap --force > cabal update > cabal install snaplet-hdbc > > On Tue, Sep 18, 2012 at 10:17 PM, Chris Kahn <christop...@gmail.com<javascript:> > > wrote: > >> Hey all, >> >> I'm relatively new to Haskell, been learning for the last 6 months or so >> and had a class in university that covered the basics. So I decided I'd >> give the Snap framework a spin on my machine. It's a relatively new machine >> so this is a fresh install of Haskell (GHC 7.4.1) on Ubuntu 12.04. I >> installed Snap, created a skeleton project etc, and then went and did cabal >> install snaplet-hdbc and it started compiling things and loading >> packages, and finally spat out this error: >> >> src/Snap/Snaplet/Internal/Types.hs:82:1: >> Duplicate type signature: >> src/Snap/Snaplet/Internal/Types.hs:82:1-47: snapletConfig :: >> Lens (Snaplet a) >> SnapletConfig >> src/Snap/Snaplet/Internal/Types.hs:76:1-39: snapletConfig :: >> forall s_aySX. >> Lens (Snaplet s_aySX) >> SnapletConfig >> >> src/Snap/Snaplet/Internal/Types.hs:87:1: >> Duplicate type signature: >> src/Snap/Snaplet/Internal/Types.hs:87:1-34: snapletValue :: >> Lens (Snaplet a) a >> src/Snap/Snaplet/Internal/Types.hs:76:1-39: snapletValue :: >> forall s_aySX. Lens >> (Snaplet s_aySX) s_aySX >> cabal: Error: some packages failed to install: >> snap-0.9.1.1 failed during the building phase. The exception was: >> ExitFailure 1 >> >> Is this because of something I've configured wrong, or is it a bug in >> Snap? Can anybody help? >> >> Cheers! >> Chris >> >> -- >> >> >> >> > > ------=_Part_491_7003595.1348108720949 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit Success! That did it. Thanks.<br><br>On Wednesday, 19 September 2012 01:02:47 UTC-4, mightybyte wrote:<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;">This is caused by a problem in data-lens-template-2.1.6. You need to upgrade to the recently released 2.1.7. The following commands should correct the problem:<div><br></div><div>ghc-pkg unregister data-lens-template --force</div> <div>ghc-pkg unregister snap --force</div><div>cabal update</div><div>cabal install snaplet-hdbc<br><br><div class="gmail_quote">On Tue, Sep 18, 2012 at 10:17 PM, Chris Kahn <span dir="ltr"><<a href="javascript:" target="_blank" gdf-obfuscated-mailto="KclIFwauv8EJ">christop...@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hey all,<div><br></div><div>I'm relatively new to Haskell, been learning for the last 6 months or so and had a class in university that covered the basics. So I decided I'd give the Snap framework a spin on my machine. It's a relatively new machine so this is a fresh install of Haskell (GHC 7.4.1) on Ubuntu 12.04. I installed Snap, created a skeleton project etc, and then went and did <font face="courier new, monospace">cabal install snaplet-hdbc</font> and it started compiling things and loading packages, and finally spat out this error:</div> <div><br></div><div><div><font face="courier new, monospace">src/Snap/Snaplet/Internal/<wbr>Types.hs:82:1:</font></div><div><font face="courier new, monospace"> Duplicate type signature:</font></div><div><font face="courier new, monospace"> src/Snap/Snaplet/Internal/<wbr>Types.hs:82:1-47: snapletConfig ::</font></div> <div><font face="courier new, monospace"> Lens (Snaplet a) SnapletConfig</font></div><div><font face="courier new, monospace"> src/Snap/Snaplet/Internal/<wbr>Types.hs:76:1-39: snapletConfig ::</font></div> <div><font face="courier new, monospace"> forall s_aySX.</font></div><div><font face="courier new, monospace"> Lens (Snaplet s_aySX) SnapletConfig</font></div> <div><font face="courier new, monospace"><br></font></div><div><font face="courier new, monospace">src/Snap/Snaplet/Internal/<wbr>Types.hs:87:1:</font></div><div><font face="courier new, monospace"> Duplicate type signature:</font></div> <div><font face="courier new, monospace"> src/Snap/Snaplet/Internal/<wbr>Types.hs:87:1-34: snapletValue ::</font></div><div><font face="courier new, monospace"> Lens (Snaplet a) a</font></div> <div><font face="courier new, monospace"> src/Snap/Snaplet/Internal/<wbr>Types.hs:76:1-39: snapletValue ::</font></div><div><font face="courier new, monospace"> forall s_aySX. Lens (Snaplet s_aySX) s_aySX</font></div> <div><font face="courier new, monospace">cabal: Error: some packages failed to install:</font></div><div><font face="courier new, monospace">snap-0.9.1.1 failed during the building phase. The exception was:</font></div><div> <font face="courier new, monospace">ExitFailure 1</font></div></div><div><br></div><div>Is this because of something I've configured wrong, or is it a bug in Snap? Can anybody help?</div><div><br></div><div>Cheers!</div> <span><font color="#888888"><div>Chris</div> <p></p> -- <br> <br> <br> <br> </font></span></blockquote></div><br></div> </blockquote> ------=_Part_491_7003595.1348108720949-- ------=_Part_490_7143735.1348108720949--
Message from discussion can't install snaplet-hdbc, duplicate type signature
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