How to force Jruby to use inbuilt Ruby 1.9 instead of Ruby 1.8 which is default?

You specify it as an argument on the command line jruby --1.9 -v Don't know about the compatibility issues.

Srboisvert: Thanks for the feedback. This works fine to launch jruby at command prompt. How to specify the same in warble.

Rb? – satynos Jan 7 '10 at 20:55 Sorry. Didn't fully read the question.

– srboisvert Jan 8 '10 at 10:35 I think @srboisvert got it right. I tried this approach to get irb running with 1.9. This worked: jruby --1.9 irb. This is shown on the jruby doc site: github.

Com/jruby/jruby/wiki/GettingStarted. – Dylan Apr 7 at 16:13.

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