From: Logan Barnett <logustus@...>
Date: 2008-12-20T02:11:54+09:00
Subject: Re: RAWR can't find jruby_fetch


On Dec 19, 2008, at 9:54 AM, Logan Barnett wrote:

>
> On Dec 19, 2008, at 7:05 AM, Leslie Viljoen wrote:
>
>> On Fri, Dec 19, 2008 at 2:17 AM, Logan Barnett <logustus@gmail.com>  
>> wrote:
>>
>>> Leslie,
>>> Looks like yet another bug during the release.
>>> Can you create an empty jruby_fetch.rb (touch jruby_fetch.rb) in  
>>> your
>>> project root? I tried this after reproducing the bug, and it let  
>>> me run the
>>> rawr:jar task after that.
>>> I'll get a fix for that released on Monday.
>>
>>
>> Ok, did that. Then I get a message about a constant 'Java' that  
>> doesn't
>> exist - this didn't happen before with 1.1.1.
>> Anyway, so I took that as a cue to try and run everything through  
>> jruby like
>> so:
>>
>
> The latest Rawr is dependent on JRuby now. This weekend I'm planning  
> on setting up Rawr to be a JRuby only gem. This is so we can ride  
> some of JRuby's code, such as classpath name mangling for the  
> compiler, and perhaps the compiler itself (so you don't get  
> incompatible versions between your runtime JRuby and your  
> environment JRuby in terms of what you compiled).
>
>> export PATH=$PATH:/home/lesliev/data/bin/netbeans-6.5/ruby2/ 
>> jruby-1.1.4/bin
>> export PATH=$PATH:/home/lesliev/data/bin/netbeans-6.5/ruby2/ 
>> jruby-1.1.4
>> jruby /usr/bin/gem install -r rawr
>> jruby /usr/bin/rake rawr:jar
>>
>
> You can use jruby -S to invoke a script from JRuby's bin. For  
> example, jruby -S gem install rawr
>
>
>> This seems to work, I get:
>>
>> (in /home/lesliev/monkey/ummpcomposer)
>> Copying non-source file compose/Composer.form to
>> /home/lesliev/monkey/ummpcomposer/package/classes/compose/ 
>> Composer.form
>> Copying non-source file README.txt to
>> /home/lesliev/monkey/ummpcomposer/package/classes/README.txt
>> === Creating jar file:
>> /home/lesliev/monkey/ummpcomposer/package/jar/ChangeMe.jar
>>
>> ..but when I try and run it:
>>
>> lesliev@lesliev-laptop:~/monkey/ummpcomposer/package/jar$ java -jar
>> ChangeMe.jar
>> Exception in thread "main" <script>:1:
>> file:/home/lesliev/monkey/ummpcomposer/package/jar/ChangeMe.jar!/ 
>> main.class:1:
>> Invalid char `\276' ('¾') in expression (SyntaxError)
>>   from <script>:1:in `require'
>>   from <script>:1
>>   ...internal jruby stack elided...
>>
>
> Something is terribly wrong there in terms of the bytecode generated.
> Things I would try:
> 1) jruby -S rake rawr:clean; jruby -S rake rawr:jar         #  
> recompile the files
> 2) Find out if your environment JRuby differs from your runtime  
> JRuby: jruby -v; java -jar lib/java/jruby-complete.jar -v
> You may need to ensure these are the same by upgrading the version  
> Netbeans is using, or making your project use the Netbeans version.
> 1.1.4 is a bit old. Charles Nutter might know better than I if that  
> fixes certain problems. I believe 1.1.7 was just released.
> 3) Turn off Ruby compilation in your build configuration. All this  
> will do is copy the Ruby files into the jar. The end result should  
> be that the startup time is a little slower than compiled mode  
> (JRuby will compile these files are they are required instead of  
> having them compiled to start with).
>
> Please let me know how any of that works out for you.
>
>>
>> which I assume is because of this:
>> http://jira.codehaus.org/browse/JRUBY-1628
>> I am running jruby 1.1.4 which came with netbeans.
>>

I just had a chance to actually read the ticket. I would upgrade the  
JRuby that's on your path (or just drop in a new one and put that on  
your path instead) to 1.1.7.


>> So I guess I'll keep tinkering with jruby. I'm not really sure how  
>> jruby and
>> ruby play together on the same machine - everything runs fine in the
>> Netbeans environment (my Monkeybars programs work well).
>
> I aliased my JRuby scripts to have a j in front. This way I have  
> jgem, jrake, etc. Remembering where to install gems (did I update  
> this gem in MRI or JRuby?) was a problem at first, but that was the  
> only heartache I remember.
>
>
>