Can't load and run the scripts (like gem or irb) from the jruby-complete.jar
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Key: JRUBY-6066
URL: https://jira.codehaus.org/browse/JRUBY-6066
Project: JRuby
Issue Type: Bug
Components: Launcher
Affects Versions: JRuby 1.6.4
Environment: OS X 10.7
java version "1.6.0_26"
Java(TM) SE Runtime Environment (build 1.6.0_26-b03-383-11A511)
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02-383, mixed mode)
Reporter: Thomas Dudziak
Assignee: Thomas E Enebo
I am trying to find a way to run all jruby scripts with only java and the
jruby-complete jar but that doesn't seem to work. For testing, I put a dummy
'gem' script into the PATH before the system's ruby one:
$ cat /usr/local/bin/gem
#!/bin/bash
echo "No gem"
$ gem
No gem
I then tried different approaches to execute the gem script within the JAR:
$ java -jar jruby-complete-1.6.4.jar -S gem env
NoMethodError: undefined method `echo' for main:Object
(root) at /usr/local/bin/gem:2
$ java -jar jruby-complete-1.6.4.jar -S
'file:jruby-complete-1.6.4.jar!/META-INF/jruby.home/bin/gem' env
SyntaxError: file:jruby-complete-1.6.4.jar!/META-INF/jruby.home/bin/gem:1: no
.<digit> floating literal anymore; put 0 before
dotJRuby::Commands.file:jruby-complete-1.6.4.jar!/META-INF/jruby.home/bin/gem
$ java -jar jruby-complete-1.6.4.jar -S
'file://jruby-complete-1.6.4.jar!/META-INF/jruby.home/bin/gem' env
SyntaxError: file://jruby-complete-1.6.4.jar!/META-INF/jruby.home/bin/gem:1: no
.<digit> floating literal anymore; put 0 before
dotJRuby::Commands.file://jruby-complete-1.6.4.jar!/META-INF/jruby.home/bin/gem
$ java -jar jruby-complete-1.6.4.jar
'file://jruby-complete-1.6.4.jar!/META-INF/jruby.home/bin/gem' env
Error opening script file: jruby-complete-1.6.4.jar
$ java -Djruby.home=jruby-complete-1.6.4.jar -jar jruby-complete-1.6.4.jar -S
gem env
NoMethodError: undefined method `echo' for main:Object
(root) at /usr/local/bin/gem:2
$ java '-Djruby.home=file:jruby-complete-1.6.4.jar' -jar
jruby-complete-1.6.4.jar -S gem env
NoMethodError: undefined method `echo' for main:Object
(root) at /usr/local/bin/gem:2
$ java '-Djruby.home=file://jruby-complete-1.6.4.jar' -jar
jruby-complete-1.6.4.jar -S gem env
NoMethodError: undefined method `echo' for main:Object
(root) at /usr/local/bin/gem:2
The problem might be that RubyInstanceConfig.resolveScript does not actually
check for jars before using JRubyFile.create despite the comment at the
beginning of the file indicating otherwise. E.g. the second case matches my
attempts to use jruby.home but fails with JRubyFile.create not supporting jars
as the comment rightly points out.
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