installed gems are jruby-openssl-0.9.4.gem and bouncy-castle-java-1.5.0147.gem in /work/rubygems

test_classpath.rb

require 'openssl'

puts "JRuby version: #{JRUBY_VERSION}"
puts
puts 'Class path:'
$CLASSPATH.each{|path| puts path}

puts
puts "Loaded gems:"
Gem.loaded_specs.each do |k,v|
  p "#{k} #{v.gem_dir}"
end

puts
puts 'Gem path'
Gem.path.each { |path| puts path }

work $ GEM_PATH=rubygems java -cp jruby-complete-1.7.11.jar org.jruby.Main test_classpath.rb

JRuby version: 1.7.11

Class path:
jar:file:/work/jruby-complete-1.7.11.jar!/META-INF/jruby.home/lib/ruby/shared/bcprov-jdk15on-1.47.jar
jar:file:/work/jruby-complete-1.7.11.jar!/META-INF/jruby.home/lib/ruby/shared/bcpkix-jdk15on-1.47.jar
file:/work/rubygems/gems/jruby-openssl-0.9.4/lib/jopenssl.jar
jar:file:/work/jruby-complete-1.7.11.jar!/META-INF/jruby.home/lib/ruby/shared/kryptcore.jar
jar:file:/work/jruby-complete-1.7.11.jar!/META-INF/jruby.home/lib/ruby/shared/kryptproviderjdk.jar

Loaded gems:
"bouncy-castle-java file:/work/jruby-complete-1.7.11.jar!/META-INF/jruby.home/lib/ruby/gems/shared/gems/bouncy-castle-java-1.5.0147"
"jruby-openssl /work/rubygems/gems/jruby-openssl-0.9.4"
"krypt-provider-jdk file:/work/jruby-complete-1.7.11.jar!/META-INF/jruby.home/lib/ruby/gems/shared/gems/krypt-provider-jdk-0.0.1"
"krypt-core file:/work/jruby-complete-1.7.11.jar!/META-INF/jruby.home/lib/ruby/gems/shared/gems/krypt-core-0.0.1-universal-java"
"krypt file:/work/jruby-complete-1.7.11.jar!/META-INF/jruby.home/lib/ruby/gems/shared/gems/krypt-0.0.1"

Gem path:
rubygems
file:/work/jruby-complete-1.7.11.jar!/META-INF/jruby.home/lib/ruby/gems/shared

work $ GEM_PATH=rubygems java -cp jruby-complete-1.7.12-SNAPSHOT.jar org.jruby.Main test_classpath.rb

JRuby version: 1.7.12-SNAPSHOT

Class path:
jar:file:/work/jruby-complete-1.7.12-SNAPSHOT.jar!/META-INF/jruby.home/lib/ruby/shared/bcpkix-jdk15on-1.47.jar
jar:file:/work/jruby-complete-1.7.12-SNAPSHOT.jar!/META-INF/jruby.home/lib/ruby/shared/bcprov-jdk15on-1.47.jar
jar:file:/work/jruby-complete-1.7.12-SNAPSHOT.jar!/META-INF/jruby.home/lib/ruby/shared/jopenssl.jar
jar:file:/work/jruby-complete-1.7.12-SNAPSHOT.jar!/META-INF/jruby.home/lib/ruby/shared/kryptcore.jar
jar:file:/work/jruby-complete-1.7.12-SNAPSHOT.jar!/META-INF/jruby.home/lib/ruby/shared/kryptproviderjdk.jar

Loaded gems:

Gem path:
rubygems
file:/work/jruby-complete-1.7.12-SNAPSHOT.jar!/META-INF/jruby.home/lib/ruby/gems/shared

work $ GEM_PATH=rubygems java -cp jruby-complete-1.7.4.jar org.jruby.Main test_classpath.rb

JRuby version: 1.7.4

Class path:
file:/work/rubygems/gems/bouncy-castle-java-1.5.0147/lib/bcprov-jdk15on-147.jar
file:/work/rubygems/gems/bouncy-castle-java-1.5.0147/lib/bcpkix-jdk15on-147.jar
file:/work/rubygems/gems/jruby-openssl-0.9.4/lib/jopenssl.jar
jar:file:/work/jruby-complete-1.7.4.jar!/META-INF/jruby.home/lib/ruby/shared/kryptcore.jar
jar:file:/work/jruby-complete-1.7.4.jar!/META-INF/jruby.home/lib/ruby/shared/kryptproviderjdk.jar

Loaded gems:
"bouncy-castle-java /work/rubygems/gems/bouncy-castle-java-1.5.0147"
"jruby-openssl /work/rubygems/gems/jruby-openssl-0.9.4"

Gem path:
file:/work/jruby-complete-1.7.4.jar!/META-INF/jruby.home/lib/ruby/gems/shared
rubygems

work $ GEM_PATH=rubygems java -cp jruby-complete-1.7.9.jar org.jruby.Main test_classpath.rb

JRuby version: 1.7.9

Class path:
jar:file:/work/jruby-complete-1.7.9.jar!/META-INF/jruby.home/lib/ruby/shared/bcpkix-jdk15on-1.47.jar
jar:file:/work/jruby-complete-1.7.9.jar!/META-INF/jruby.home/lib/ruby/shared/bcprov-jdk15on-1.47.jar
jar:file:/work/jruby-complete-1.7.9.jar!/META-INF/jruby.home/lib/ruby/shared/jopenssl.jar
jar:file:/work/jruby-complete-1.7.9.jar!/META-INF/jruby.home/lib/ruby/shared/kryptcore.jar
jar:file:/work/jruby-complete-1.7.9.jar!/META-INF/jruby.home/lib/ruby/shared/kryptproviderjdk.jar

Loaded gems:

Gem path:
rubygems
file:/work/jruby-complete-1.7.9.jar!/META-INF/jruby.home/lib/ruby/gems/shared