$ jruby -v
jruby 9.1.2.0 (2.3.0) 2016-05-26 7357c8f Java HotSpot(TM) 64-Bit Server VM 25.25-b02 on 1.8.0_25-b17 +jit [solaris-x86_64]
$ cat /etc/release
 Solaris 10 1/06 s10x_u1wos_19a X86
$ gem env
RubyGems Environment:
  - RUBYGEMS VERSION: 2.6.4
  - RUBY VERSION: 2.3.0 (2016-05-26 patchlevel 0) [java]
  - INSTALLATION DIRECTORY: /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/gems/shared
  - USER INSTALLATION DIRECTORY: /export/home/dw_dev/.gem/jruby/2.3.0
  - RUBY EXECUTABLE: /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/bin/jruby
  - EXECUTABLE DIRECTORY: /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/bin
  - SPEC CACHE DIRECTORY: /export/home/dw_dev/.gem/specs
  - SYSTEM CONFIGURATION DIRECTORY: /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/etc
  - RUBYGEMS PLATFORMS:
    - ruby
    - universal-java-1.8
  - GEM PATHS:
     - /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/gems/shared
     - /export/home/dw_dev/.gem/jruby/2.3.0
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :backtrace => false
     - :bulk_threshold => 1000
     - "install" => "--no-rdoc --no-ri --env-shebang"
     - "update" => "--no-rdoc --no-ri --env-shebang"
  - REMOTE SOURCES:
     - https://rubygems.org/
  - SHELL PATH:
     - /usr/bin
     - /usr/sfw/bin
     - /opt/sfw/bin
     - /usr/local/bin
     - /usr/ccs/bin
     - /usr/ucb
     - /usr/sbin
     - .
     - /home/data/dw_clsfd/geluo/jruby-9.1.2.0/bin/

$ jruby -S gem install jruby-httpclient-1.1.1-java.gem
LoadError: no such file to load -- rubygems/resolver/molinillo/lib/molinillo/modules/specification_provider
             require at org/jruby/RubyKernel.java:944
             require at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
  <class:Resolution> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:119
    <class:Resolver> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:5
  <module:Molinillo> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:3
               <top> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:2
             require at org/jruby/RubyKernel.java:944
             require at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
      <class:(root)> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo/resolver.rb:1
   <module:Resolver> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo/resolver.rb:11
               <top> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo/resolver.rb:10
             require at org/jruby/RubyKernel.java:944
             require at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
               <top> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo/resolver.rb:4
             require at org/jruby/RubyKernel.java:944
             require at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
               <top> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo.rb:1
             require at org/jruby/RubyKernel.java:944
             require at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
      <class:(root)> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo/lib/molinillo.rb:4
               <top> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo.rb:1
              (root) at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver/molinillo.rb:2
              (root) at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver.rb:1
               <top> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver.rb:17
             require at org/jruby/RubyKernel.java:944
             require at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
              (root) at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/resolver.rb:16
              (root) at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/request_set.rb:1
     resolve_current at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/request_set.rb:380
      finish_resolve at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems.rb:218
              (root) at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/rdoc.rb:15
              (root) at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/commands/install_command.rb:1
               <top> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/lib/ruby/stdlib/rubygems/commands/install_command.rb:280
                load at org/jruby/RubyKernel.java:962
               <top> at /export/home/data/dw_clsfd/geluo/jruby-9.1.2.0/bin/gem:4