gem install rails issue CRC error

im trying to install rails with gem. i have compiled 1.8.6 from source and am running gem 1.1.1

here is the output:

[root@webapp1 ~]# gem install rails --include-dependencies --verbose --backtrace INFO: `gem install -y` is now default and will be removed INFO: use --ignore-dependencies to install only the gems you list connection reset after 2 requests, retrying Missing metadata for 14022 gems Bulk updating Gem source index for: http://gems.rubyforge.org/ Installing gem actionpack-2.1.0 ERROR: While executing gem ... (Zlib::GzipFile::CRCError)     invalid compressed data -- crc error         /usr/local/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:55:in `close'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:55:in `initialize'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/package/tar_reader.rb:46:in `each'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/package/tar_reader.rb:37:in `loop'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/package/tar_reader.rb:37:in `each'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:33:in `initialize'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:18:in `new'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:18:in `open'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/package.rb:56:in `open'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/format.rb:67:in `from_io'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/format.rb:51:in `from_file_by_path'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/format.rb:50:in `open'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/format.rb:50:in `from_file_by_path'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/installer.rb:81:in `initialize'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/dependency_installer.rb:200:in `new'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/dependency_installer.rb:200:in `install'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/dependency_installer.rb:183:in `each'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/dependency_installer.rb:183:in `install'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/commands/install_command.rb:73:in `execute'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/commands/install_command.rb:70:in `each'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/commands/install_command.rb:70:in `execute'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/command.rb:136:in `invoke'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/command_manager.rb:104:in `process_args'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/command_manager.rb:74:in `run'         /usr/local/lib/ruby/site_ruby/1.8/rubygems/gem_runner.rb:39:in `run'         /usr/local/bin/gem:24

i have retried multiple times but am still getting the same error. i am running centos 5. i double checked and i do have the zlib ruby libraries installed.