JRuby 1.7.0 preview 1

We can try and report bugs of JRuby 1.7.0 preview 1.

A few days ago, JRuby 1.7.0 preview 1 has been tagged on github. Before you try it, you must build JRuby 1.7.0 preview 1 from source with Ant.

> unzip jruby-jruby-1.7.0.preview1-0-g00c8c98.zip
> cd jruby-jruby-00c8c98/
> ant

Let's chekc the version.

> ./bin/jruby --version
jruby 1.7.0.preview1 (ruby-1.9.3-p203) (2012-05-20 fffffff) (Java HotSpot(TM) 64-Bit Server VM 1.7.0_04) [darwin-x86_64-java]

As you see, since JRuby 1.7.0, default version of Ruby becomes 1.9.3 (without --1.9 option).