I had the same problem on Windows XP when doing cabal install cabal-install. I fixed it by just replacing the cabal-install executable by the old one used in the haskell platform.

Cheers,

Bas

On 19 February 2010 16:11, Maciej Podgurski <maciej.podgurski@googlemail.com> wrote:
Am 19.02.2010 15:29 schrieb Christian Maeder:

Sorry, I've got no further idea (except reinstalling everything).

http://hackage.haskell.org/trac/hackage/ticket/562
may be related.

Did your installation of cabal-install-0.8.0 also reinstall HTTP and
zlib packages?
 

Yes, I installed the latest versions of that packages. Now I tried to gradually go back to the versions before (HTTP-4000.0.9 to 4000.0.7 and zlib-0.5.2.0 to 0.5.0.0), without any success. Finally cabal-install made it at version 0.6.2, so the problem really seems to be at cabal-install-0.8.0.


Good luck
Christian

Maciej Podgurski schrieb:
 
Am 19.02.2010 12:57 schrieb Christian Maeder:
   
Maciej Podgurski schrieb:
       
Hi,

after updating to cabal-install-0.8.0/Cabal-1.8.0.2 with GHC 6.10.4, I
always get an error when updating the package list:

  > cabal update
  Downloading the latest package list from hackage.haskell.org
  cabal: Codec.Compression.Zlib: premature end of compressed stream

Is there a way to fix this without rebuilding from the latest darcs
repo?
           
Does removing ~/.cabal/packages/hackage.haskell.org/00-index.tar.gz
help? Did you overwrite your old cabal-binary. If not, does this binary
also fail?
       
Removing this file doesn't help. The old version was cabal-install-0.6.2
+ Cabal-1.6.0.2 with GHC 6.10.3. I deleted it because I changed to GHC
6.10.4, but it worked fine 2 days ago.

   
(I think everything under ~/.cabal/packages/hackage.haskell.org can be
savely deleted and will be downloaded again if needed.)

Which architecture you're on?
       
Windows XP


Best wishes,

Maciej

   
Cheers Christian

       
Best wishes,

Maciej
           
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