Re: [jruby-user] Newbie questions: JRuby desktop application

Charles,

Yesterday I downloaded jruby-complete-1.0.jar from the usual download site. Then I tried compiling a java file with the IBM java 1.4.2 compiler, with jruby-complete in the classpath, and the compiler complained about class file versions (it wanted 48 instead of 49, I think). I bumped my IBM java distribution up to 
1.5 and it started working again.

Just to double check, I dug up a (presumably) older version of jruby-complete from my source control. Sure enough, it worked just fine with the 1.4.2 compiler. I have no idea when I got that jruby-complete from, but it was definitely early summer. I'm a little confused because the date on the Jruby download page says jruby-complete is from June 15, which is about when I would have gotten it originally.

Anyway, is there any chance in hell that the jruby-complete file got rebuilt with Java 1.5 at some point?

PS
It's good to hear that retroweaving 1.1 might work with 1.4.2; I would really like to stick with 
1.4.2, but I want bug fixes and features from jruby > 1.0.

On 11/30/07, Charles Oliver Nutter <charles.nutter@xxxxxxx > wrote:

Stefan Magnus Landrø wrote:
> Lets say you write all your code in ruby, then what you need is:
> - a jvm (1.5 or 1.6 but I think 1.4 should be ok as well)
> - a jruby interpreter (let's say 1.0.2 )
> - your ruby files
>
> You can read more about jruby here:
> http://www.javaworld.com/javaworld/jw-07-2006/jw-0717-ruby.html

1.4 isn't supported out of the box in 1.1, but will work for 1.0.x just
fine (and retroweaving 1.1 works for 1.4 as far as I know).

- Charlie

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