[Hackage] #540: Transparent decompression behind proxy

Hackage trac at galois.com
Sun Apr 19 11:09:06 EDT 2009

#540: Transparent decompression behind proxy
  Reporter:  guest          |        Owner:                                   
      Type:  defect         |       Status:  new                              
  Priority:  normal         |    Milestone:                                   
 Component:  Cabal library  |      Version:                          
  Severity:  normal         |     Keywords:  proxy vpn encoding decoding error
Difficulty:  normal         |   Ghcversion:                                   
  Platform:  Windows        |  
 >cabal update -v3
 Downloading the latest package list from hackage.haskell.org
 GET /packages/archive/00-index.tar.gz HTTP/1.1
 User-Agent: cabal-install/0.6.2
 Host: hackage.haskell.org
 Creating new connection to hackage.haskell.org
 HTTP/1.1 200 OK
 Date: Sun, 19 Apr 2009 14:36:01 GMT
 Server: Apache/2.2.3 (Debian)
 Last-Modified: Sun, 19 Apr 2009 13:38:09 GMT
 ETag: "388e8b-db7ea-863c1240"
 Accept-Ranges: bytes
 Content-Length: 10547200
 Content-Type: application/x-tar
 Downloaded to
 cabal: user error (Codec.Compression.Zlib: incorrect header check)

 My VPN server transparently decompressing packages *.tar.gz ("Content-
 Encoding: x-gzip" header is missing), but cabal thinks that it still
 encoded and yielding an user error. I think it's should be handled by

Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/540>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects

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