# JRuby on gij **URL:** \ **Category:** Ruby\ **Created:** [March 28, 2008, 7:00pm UTC](https://www.ruby-forum.com/t/jruby-on-gij/133205 "2008-03-28T19:00:24Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Michal\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/779978/32.png) [@Michal\_S](https://www.ruby-forum.com/u/Michal_S)\ **Post date:** [March 28, 2008, 7:00pm UTC](https://www.ruby-forum.com/t/jruby-on-gij/133205/1 "2008-03-28T19:00:24Z")
Hello, Is JRuby supposed to work with gij? It would be probably slow even if it did but it throws an exception at the very start. $ java --version java version “1.5.0” gij (GNU libgcj) version 4.3.0 20080202 (experimental) [trunk revision 132072] Copyright © 2007 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ jruby --version ruby 1.8.6 (2008-03-18 rev 6255) [i386-jruby1.1RC3] Exception in thread “main” java.lang.ArrayIndexOutOfBoundsException: -1 at org.jruby.runtime.ThreadContext.getCurrentFrame(ThreadContext.java:350) at org.jruby.runtime.ThreadContext.getFrameSelf(ThreadContext.java:372) at org.jruby.RubyClass.invoke(RubyClass.java:232) at org.jruby.javasupport.util.RuntimeHelpers.invokeAs(RuntimeHelpers.java:322) at org.jruby.runtime.Dispatcher$DefaultDispatcher.callMethod(Dispatcher.java:17) at org.jruby.RubyClass.invoke(RubyClass.java:222) at org.jruby.javasupport.util.RuntimeHelpers.invoke(RuntimeHelpers.java:330) at org.jruby.RubyObject.callMethod(RubyObject.java:481) at org.jruby.RubyObject.equals(RubyObject.java:271) at java.util.AbstractMap.equals(libgcj.so.90) at java.util.WeakHashMap.internalGet(libgcj.so.90) at java.util.WeakHashMap.put(libgcj.so.90) at org.jruby.util.collections.WeakHashSet.add(WeakHashSet.java:44) at org.jruby.RubyClass.addSubclass(RubyClass.java:355) at org.jruby.RubyClass.(RubyClass.java:173) at org.jruby.RubyClass.newClass(RubyClass.java:184) at org.jruby.RubyClass.newClass(RubyClass.java:191) at org.jruby.Ruby.defineClassUnder(Ruby.java:655) at org.jruby.Ruby.defineClass(Ruby.java:611) at org.jruby.RubyBoolean.createFalseClass(RubyBoolean.java:71) at org.jruby.Ruby.initCore(Ruby.java:890) at org.jruby.Ruby.bootstrap(Ruby.java:851) at org.jruby.Ruby.init(Ruby.java:827) at org.jruby.Ruby.newInstance(Ruby.java:157) at org.jruby.Main.run(Main.java:121) at org.jruby.Main.run(Main.java:88) at org.jruby.Main.main(Main.java:79) Thanks Michal ---
**Author:** ![Michal\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/779978/32.png) [@Michal\_S](https://www.ruby-forum.com/u/Michal_S)\ **Post date:** [March 28, 2008, 9:15pm UTC](https://www.ruby-forum.com/t/jruby-on-gij/133205/2 "2008-03-28T21:15:55Z")
On Mar 28, 1:59 pm, Michal S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > Hello, > > Is JRuby supposed to work with gij? It would be probably slow even if > it did but it throws an exception at the very start. In my (admittedly rather limited) experience, nothing works with gij. 😛 ---
**Author:** ![Michal\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/779978/32.png) [@Michal\_S](https://www.ruby-forum.com/u/Michal_S)\ **Post date:** [March 29, 2008, 7:12am UTC](https://www.ruby-forum.com/t/jruby-on-gij/133205/3 "2008-03-29T07:12:29Z")
Michal S. wrote: > Hello, > > Is JRuby supposed to work with gij? It would be probably slow even if > it did but it throws an exception at the very start. This problem has been reported to JRuby already, but we have not had time to fix it yet (or at least understand who needs to fix it). -Tom ---
**Author:** ![Michal\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/779978/32.png) [@Michal\_S](https://www.ruby-forum.com/u/Michal_S)\ **Post date:** [March 31, 2008, 1:18pm UTC](https://www.ruby-forum.com/t/jruby-on-gij/133205/4 "2008-03-31T13:18:53Z")
On 28/03/2008, Karl von Laudermann [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > On Mar 28, 1:59 pm, Michal S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > > > Hello, > > > > Is JRuby supposed to work with gij? It would be probably slow even if > > it did but it throws an exception at the very start. > > In my (admittedly rather limited) experience, nothing works with > gij. 😛 Same here. However, for some reason it’s the default java in Debian :-/ Thanks Michal ---
**Author:** ![Michal\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/779978/32.png) [@Michal\_S](https://www.ruby-forum.com/u/Michal_S)\ **Post date:** [April 3, 2008, 4:17pm UTC](https://www.ruby-forum.com/t/jruby-on-gij/133205/5 "2008-04-03T16:17:34Z")
On 03/04/2008, Charles Oliver N. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > Michal S. wrote: > FWIW, we do want it to work and will gladly accept bug reports on it. > > [http://jira.codehaus.org/browse/JRUBY](http://jira.codehaus.org/browse/JRUBY) This one is quite obvious - it crashes on startup, every time. Until it runs there is not much to report 😉 Thanks Michal ---
**Author:** ![Michal\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/779978/32.png) [@Michal\_S](https://www.ruby-forum.com/u/Michal_S)\ **Post date:** [April 3, 2008, 12:47pm UTC](https://www.ruby-forum.com/t/jruby-on-gij/133205/6 "2008-04-03T12:47:41Z")
Michal S. wrote: > > > > Same here. However, for some reason it’s the default java in Debian :-/ FWIW, we do want it to work and will gladly accept bug reports on it. [http://jira.codehaus.org/browse/JRUBY](http://jira.codehaus.org/browse/JRUBY) - Charlie