From: brabuhr@...
Date: 2007-11-14T08:41:06+09:00
Subject: Re: Android + JRuby?

On Nov 13, 2007 3:38 PM, Charles Oliver Nutter <charles.nutter@sun.com> wrote:
> John Joyce wrote:
> > Hey Mr. Nutter...
> > Any idea if JRuby will work on Android???
> > Sure would be cool to have a Ruby angle on phone software, even though
> > there is no Android phone yet...
>
>  From a cursory glance at the SDK, I'd say...yes!
>
> I'm not sure yet if everything we need is there, but it would be
> considerably easier to bring JRuby up on Android than on Java ME. Most
> of the packages I expected to be missing are present...so I think
> there's a good chance it could be made to run.

A simple test: adding jruby-complete.jar onto the dex call in build.xml:

dex:

     [exec] UNEXPECTED TOP-LEVEL EXCEPTION:
     [exec] com.google.util.ExceptionWithContext: address not yet known
     [exec]    at
com.google.util.ExceptionWithContext.withContext(ExceptionWithContext.java:46)
     [exec]    at
com.google.dex.cf.CfTranslator.processMethods(CfTranslator.java:375)
     [exec]    at
com.google.dex.cf.CfTranslator.translate0(CfTranslator.java:153)
     [exec]    at
com.google.dex.cf.CfTranslator.translate(CfTranslator.java:117)
     [exec]    at com.google.command.dexer.Main.processClass(Main.java:362)
     [exec]    at com.google.command.dexer.Main.processFileBytes(Main.java:346)
     [exec]    at com.google.command.dexer.Main.processArchive(Main.java:311)
     [exec]    at com.google.command.dexer.Main.processOne(Main.java:233)
     [exec]    at com.google.command.dexer.Main.processAllFiles(Main.java:169)
     [exec]    at com.google.command.dexer.Main.run(Main.java:126)
     [exec]    at com.google.command.dexer.Main.main(Main.java:107)
     [exec]    at com.google.command.Main.main(Main.java:51)
     [exec] Caused by: java.lang.RuntimeException: address not yet known
     [exec]    at com.google.dex.code.DalvInsn.getAddress(DalvInsn.java:162)
     [exec]    at
com.google.dex.code.TargetInsn.getTargetOffset(TargetInsn.java:110)
     [exec]    at com.google.dex.code.form.Form20t.branchFits(Form20t.java:67)
     [exec]    at
com.google.dex.code.OutputCollector.fixBranches(OutputCollector.java:429)
     [exec]    at
com.google.dex.code.OutputCollector.assignAddressesAndFixBranches(OutputCollector.java:382)
     [exec]    at
com.google.dex.code.OutputCollector.finishProcessingAndGetList(OutputCollector.java:117)
     [exec]    at
com.google.dex.code.RopTranslator.translateAndGetResult(RopTranslator.java:204)
     [exec]    at
com.google.dex.code.RopTranslator.translate(RopTranslator.java:98)
     [exec]    at
com.google.dex.cf.CfTranslator.processMethods(CfTranslator.java:346)
     [exec]    ...10 more
     [exec] ...while processing <clinit> ()V
     [exec] ...while processing org/jruby/parser/DefaultRubyParser.class

     [exec] 1 error; aborting