私はWindowsVista64ビットオペレーティングシステムで実行しています。Geografikosは、JeremyWitmerによって修士論文プロジェクトとして作成された大規模なプロジェクトです。すべてJRubyでコーディングされています。私は現在彼の指導の下でプロジェクトを拡大していますが、彼のプログラムを実行することはできません。次のgemがインストールされています。
C:\work\Code\geografikos>jruby -S gem list
*** LOCAL GEMS ***
actionmailer (2.3.3)
actionpack (2.3.3)
activerecord (2.3.3)
activerecord-jdbc-adapter (0.9.1)
activerecord-jdbcmysql-adapter (0.9.1)
activeresource (2.3.3)
activesupport (2.3.3)
gchart (1.0.0)
google-geocode (1.2.1)
hoe (2.3.3)
hpricot (0.6.161)
jdbc-mysql (5.0.4)
jruby-openssl (0.5.1)
minitest (1.4.2)
nokogiri (1.3.3)
rack (1.0.0)
rails (2.3.3)
rake (0.8.7)
rc-rest (3.0.0)
rdoc (2.4.3)
rspec (1.2.6)
rubyforge (1.0.4)
rubygems-update (1.3.5)
sources (0.0.1)
geografikos.rbには、次のgemが必要です。
%w(rubygems digest/sha1 digest/md5 active_record hpricot yaml open-uri ostruct java google_geocode gchart active_record/fixtures).each{|f| require f}
geografikos.rbが必要な場合、または実行すると、次のエラーが発生します。
C:\work\Code\geografikos>jirb
irb(main):001:0> require 'geografikos'
LoadError: Could not open any of [xml2, xslt, exslt]
from C:/jruby-1.3.1/bin/../lib/ruby/1.8/ffi/library.rb:18:in `ffi_lib'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/nokogiri-1.3.3-java/lib/nokogiri/ffi/libxml.rb:5
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/nokogiri-1.3.3-java/lib/nokogiri/ffi/libxml.rb:31:in `require'
from C:/jruby-1.3.1/bin/../lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:521:in `new_constants_in
'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/nokogiri-1.3.3-java/lib/nokogiri.rb:10
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/nokogiri-1.3.3-java/lib/nokogiri.rb:31:in `require'
from C:/jruby-1.3.1/bin/../lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:521:in `new_constants_in
'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/rc-rest-3.0.0/lib/rc_rest.rb:3
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/rc-rest-3.0.0/lib/rc_rest.rb:31:in `require'
from C:/jruby-1.3.1/bin/../lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:521:in `new_constants_in
'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/google-geocode-1.2.1/lib/google_geocode.rb:2
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/google-geocode-1.2.1/lib/google_geocode.rb:36:in `require'
from C:/jruby-1.3.1/bin/../lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in `require'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:521:in `new_constants_in
'
from C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in `require'
from geografikos.rb:304
from geografikos.rb:304:in `each'
from geografikos.rb:304
from geografikos.rb:2:in `require'
from (irb):2irb(main):002:0>
xml、xml2、xslt、およびexsltライブラリをインストールする必要があると感じていますが、これらをインストールしようとするとエラーが発生します。これを以下に示します。
C:\work\Code\geografikos>jruby -S gem install libxml-ruby
Building native extensions. This could take a while...
ERROR: Error installing libxml-ruby:
ERROR: Failed to build gem native extension.
C:/jruby-1.3.1/bin/../bin/jruby.bat extconf.rb
C:/jruby-1.3.1/bin/../lib/ruby/1.8/mkmf.rb:7: JRuby does not support native extensions. Check wiki.jruby.org for alternatives. (No
tImplementedError)
from C:/jruby-1.3.1/bin/../lib/ruby/1.8/mkmf.rb:14:in `require'
from extconf.rb:14
Gem files will remain installed in C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/libxml-ruby-1.1.3 for inspection.
Results logged to C:/jruby-1.3.1/lib/ruby/gems/1.8/gems/libxml-ruby-1.1.3/ext/libxml/gem_make.out
その他の情報が必要な場合はお知らせください。この問題は解決できません！