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我遇到了在 OS X 上运行的 Jruby 和生产 Ubuntu 主机之间的不一致。在我的生产主机上，我有以下内容：

~ $ java -version
java version "1.6.0_22"
Java(TM) SE Runtime Environment (build 1.6.0_22-b04)
Java HotSpot(TM) 64-Bit Server VM (build 17.1-b03, mixed mode)
~ $ rvm use jruby-1.6.8
Using /home/ubuntu/.rvm/gems/jruby-1.6.8
~ $ rvm list rubies

rvm rubies

=> jruby-1.6.8 [ x86_64 ]
 * ruby-1.9.2-p318 [ x86_64 ]

# => - current
# =* - current && default
#  * - default

~ $ irb
jruby-1.6.8 :001 > def foo(*args)
jruby-1.6.8 :002?>   end
 => nil 
jruby-1.6.8 :003 > foo(1,
jruby-1.6.8 :004 >         2,
jruby-1.6.8 :005 >         )
SyntaxError: (irb):5: syntax error, unexpected tRPAREN

    )
    ^
    from org/jruby/RubyKernel.java:1112:in `eval'
    from /home/ubuntu/.rvm/rubies/jruby-1.6.8/lib/ruby/1.8/irb.rb:158:in `eval_input'
    from /home/ubuntu/.rvm/rubies/jruby-1.6.8/lib/ruby/1.8/irb.rb:271:in `signal_status'
    from /home/ubuntu/.rvm/rubies/jruby-1.6.8/lib/ruby/1.8/irb.rb:155:in `eval_input'
    from org/jruby/RubyKernel.java:1439:in `loop'
    from org/jruby/RubyKernel.java:1212:in `catch'
    from /home/ubuntu/.rvm/rubies/jruby-1.6.8/lib/ruby/1.8/irb.rb:154:in `eval_input'
    from /home/ubuntu/.rvm/rubies/jruby-1.6.8/lib/ruby/1.8/irb.rb:71:in `start'
    from org/jruby/RubyKernel.java:1212:in `catch'
    from /home/ubuntu/.rvm/rubies/jruby-1.6.8/lib/ruby/1.8/irb.rb:70:in `start'
    from /home/ubuntu/.rvm/rubies/jruby-1.6.8/bin/irb:17:in `(root)'

那是（我相信）有效的 Ruby 代码，但更重要的是，它似乎是有效的 jruby 代码，因为它在我的 OS X 机器上运行良好：

~ $ java -version
java version "1.6.0_35"
Java(TM) SE Runtime Environment (build 1.6.0_35-b10-428-11M3811)
Java HotSpot(TM) 64-Bit Server VM (build 20.10-b01-428, mixed mode)
~ $ rvm use jruby-1.6.8
Using /Users/lwiman/.rvm/gems/jruby-1.6.8
~ $ rvm list rubies

rvm rubies

   jruby-1.6.4 [ x86_64 ]
   jruby-1.6.7 [ x86_64 ]
=> jruby-1.6.8 [ x86_64 ]
 * ruby-1.9.2-p290 [ x86_64 ]
   ruby-1.9.3-p194 [ x86_64 ]

# => - current
# =* - current && default
#  * - default

~ $ irb
jruby-1.6.8 :001 > def foo(*args)
jruby-1.6.8 :002?>   end
 => nil 
jruby-1.6.8 :003 > foo(1,
jruby-1.6.8 :004 >         2,
jruby-1.6.8 :005 >         )
 => nil 
jruby-1.6.8 :006 >

任何解决此问题的帮助将不胜感激！

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1 回答 1

2

解决了！（昨天工作了几个小时，放在 StackOverflow 上 20 分钟后解决。问题是 Jruby 出于某种原因默认为 Ruby 1.8 模式。我不完全确定它为什么在我的 OS X 计算机上工作，但是添加 compat.version=1.9到我的.jrubyrc文件中就可以了。见：https ://github.com/jruby/jruby/wiki/ConfiguringJRuby

于 2012-10-19T18:15:49.683 回答